The
modern approach to word studies is based on distinguishing between
the external
and
the
internal structures
of the word.
By
external
structure of the word we
mean its morphological
structure.
For example, in the word post-impressionists
the
following morphemes can be distinguished: the prefixes post-,
im-, the
root press,
the
noun-forming suffixes —ion,
—ist,
and the grammatical suffix of plurality -s.
All these morphemes constitute the external structure of the word
post-impressionists.
The
internal
structure of the word, or
its meaning,
is
commonly referred to as the word’s semantic
structure. This
is the word’s main aspect. Words can serve the purposes of human
communication solely due to their meanings.
The
area of lexicology specializing in the semantic studies of the word
is called semantics.
Another
structural aspect of the word is its unity.
The word possesses both external (or formal) unity and semantic
unity. Formal unity of the word is sometimes interpreted as
indivisibility. The example of post-impressionists
has
already shown that the word is not indivisible. Yet, its component
morphemes are permanently linked together in opposition to
word-groups, both free and with fixed contexts, whose components
possess a certain structural freedom, e.g. bright
light, to take for granted.
The
formal unity of the word can best be illustrated by comparing a word
and a word-group comprising identical constituents. The difference
between a
blackbird and
a black bird is
explained by their relationship with the grammatical system of the
language. The word blackbird,
which
is characterized by unity, possesses a single grammatical framing:
blackbird/s.
The
first constituent black
is
not subject to any grammatical changes. In the word-group a black
bird each
constituent can acquire grammatical forms of its own: the
blackest birds I’ve ever seen. Other
words can be inserted between the components: a
black night bird.
The
same example may be used to illustrate what we mean by semantic
unity.
In
the word-group a black
bird each
of the meaningful words conveys a separate concept: bird
– a
kind of living creature; black
– a
colour.
The
word blackbird
conveys
only one concept: the type of bird. This is one of the main features
of any word: it always conveys one concept, no matter how many
component morphemes it may have in its external structure.
A
further structural feature of the word is its susceptibility
to
grammatical employment. In speech most words can be used in different
grammatical forms in which their interrelations are realized.
All
that we have said about the word can be summed up as follows.
The
word
is
a speech unit used for the purposes of human communication,
materially representing a group of sounds, possessing a meaning,
susceptible to grammatical employment and characterized by formal and
semantic unity.
-
The main problems of lexicology
Two
of these have been already underlined. The
problem of word-building is
associated with prevailing morphological word-structures and with
processes of making new words. Semantics
is
the study of meaning. Modern approaches to this problem are
characterized by two different levels of study: syntagmatic
and
paradigmatic.
On
the syntagmatic
level, the
semantic structure of the word is analysed in its linear
relationships with neighbouring words in connected speech. In other
words, the semantic characteristics of the word are observed,
described and studied on the basis of its typical contexts.
On
the paradigmatic
level, the
word is studied in its relationships with other words in the
vocabulary system. So, a word may be studied in comparison with other
words of similar meaning. E.g. work
n – labour
n.
Work работа,
труд; 1
the
job that a person does especially in order to earn money. This word
has many meanings (in
Oxford Dictionary – 14),
many synonyms and idioms [`idiemz]: creative
work творческая
деятельность; public
work общественные
работы;
his life`s work дело
его жизни; dirty
work (difficult,
unpleasant) 1
чёрная работа; 2
грязное
дело, подлость.
Nice
work! Отлично!
Здорово!
Saying (поговорка):
All
work and no play makes Jack a dull boy (мешай
дело с бездельем, проживёшь век с
весельем)
–
it is not healthy to spend all your time working; you need to relax
too.
Labour:
“work”
и “labour” не взаимозаменимы; labour
– 1 work,
especially physical work: manual
labour,
a
labour camp
– исправительно-трудовой
лагерь; 2
people
who work: a
shortage of labour; cheap labour; skilled labour –
квалифицированные
рабочие, Labour
Party; labour relations; a labour of
Sisyphus;
Sisyphean
labour [,sisi‘fi:en]
сизифов труд; тяжёлый и бесплодный труд
– of a task impossible to complete. From the Greek myth in which
Sisyphus was punished for the bad things he had done in his life with
the never-ending task of rolling a large stone to the top of a hill,
from which it always rolled down again.
Other
words of similar meaning (e.g. to
refuse v – to reject v),
of
opposite meaning (e.g. busy
adj – idle adj; to accept v – to reject v),
of
different stylistic characteristics (e.g. man
n – chap n – bloke n – guy n).
Man
–
chap
(coll.)
–
парень, малый; a
good chap
–
славный малый; old
chap – старина;
chap
– BrE,
informal,
becoming old-fashioned – used to talk about a man in a friendly
way: He
isn`t such a bad chap really. Bloke
(coll.)
тип,
парень: He
seemed like a nice bloke.
Guy
– coll.
US – малый;
tough
guy железный
малый; wise
guy умник;
guys
(informal,
especially US) a
group of people of either sex: Come
on, you guys!
Consequently,
the main problems of paradigmatic studies are synonymy,
antonymy, functional styles.
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WORD STRUCTURE IN MODERN ENGLISH
I. The morphological structure of a word. Morphemes. Types of morphemes. Allomorphs.
II. Structural types of words.
III. Principles of morphemic analysis.
IV. Derivational level of analysis. Stems. Types of stems. Derivational types of words.
I. The morphological structure of a word. Morphemes. Types of Morphemes. Allomorphs.
There are two levels of approach to the study of word- structure: the level of morphemic analysis and the level of derivational or word-formation analysis.
Word is the principal and basic unit of the language system, the largest on the morphologic and the smallest on the syntactic plane of linguistic analysis.
It has been universally acknowledged that a great many words have a composite nature and are made up of morphemes, the basic units on the morphemic level, which are defined as the smallest indivisible two-facet language units.
The term morpheme is derived from Greek morphe “form ”+ -eme. The Greek suffix –eme has been adopted by linguistic to denote the smallest unit or the minimum distinctive feature.
The morpheme is the smallest meaningful unit of form. A form in these cases a recurring discrete unit of speech. Morphemes occur in speech only as constituent parts of words, not independently, although a word may consist of single morpheme. Even a cursory examination of the morphemic structure of English words reveals that they are composed of morphemes of different types: root-morphemes and affixational morphemes. Words that consist of a root and an affix are called derived words or derivatives and are produced by the process of word building known as affixation (or derivation).
The root-morpheme is the lexical nucleus of the word; it has a very general and abstract lexical meaning common to a set of semantically related words constituting one word-cluster, e.g. (to) teach, teacher, teaching. Besides the lexical meaning root-morphemes possess all other types of meaning proper to morphemes except the part-of-speech meaning which is not found in roots.
Affixational morphemes include inflectional affixes or inflections and derivational affixes. Inflections carry only grammatical meaning and are thus relevant only for the formation of word-forms. Derivational affixes are relevant for building various types of words. They are lexically always dependent on the root which they modify. They possess the same types of meaning as found in roots, but unlike root-morphemes most of them have the part-of-speech meaning which makes them structurally the important part of the word as they condition the lexico-grammatical class the word belongs to. Due to this component of their meaning the derivational affixes are classified into affixes building different parts of speech: nouns, verbs, adjectives or adverbs.
Roots and derivational affixes are generally easily distinguished and the difference between them is clearly felt as, e.g., in the words helpless, handy, blackness, Londoner, refill, etc.: the root-morphemes help-, hand-, black-, London-, fill-, are understood as the lexical centers of the words, and –less, -y, -ness, -er, re- are felt as morphemes dependent on these roots.
Distinction is also made of free and bound morphemes.
Free morphemes coincide with word-forms of independently functioning words. It is obvious that free morphemes can be found only among roots, so the morpheme boy- in the word boy is a free morpheme; in the word undesirable there is only one free morpheme desire-; the word pen-holder has two free morphemes pen- and hold-. It follows that bound morphemes are those that do not coincide with separate word- forms, consequently all derivational morphemes, such as –ness, -able, -er are bound. Root-morphemes may be both free and bound. The morphemes theor- in the words theory, theoretical, or horr- in the words horror, horrible, horrify; Angl- in Anglo-Saxon; Afr- in Afro-Asian are all bound roots as there are no identical word-forms.
It should also be noted that morphemes may have different phonemic shapes. In the word-cluster please , pleasing , pleasure , pleasant the phonemic shapes of the word stand in complementary distribution or in alternation with each other. All the representations of the given morpheme, that manifest alternation are called allomorphs/or morphemic variants/ of that morpheme.
The combining form allo- from Greek allos “other” is used in linguistic terminology to denote elements of a group whose members together consistute a structural unit of the language (allophones, allomorphs). Thus, for example, -ion/ -tion/ -sion/ -ation are the positional variants of the same suffix, they do not differ in meaning or function but show a slight difference in sound form depending on the final phoneme of the preceding stem. They are considered as variants of one and the same morpheme and called its allomorphs.
Allomorph is defined as a positional variant of a morpheme occurring in a specific environment and so characterized by complementary description.
Complementary distribution is said to take place, when two linguistic variants cannot appear in the same environment.
Different morphemes are characterized by contrastive distribution, i.e. if they occur in the same environment they signal different meanings. The suffixes –able and –ed, for instance, are different morphemes, not allomorphs, because adjectives in –able mean “ capable of beings”.
Allomorphs will also occur among prefixes. Their form then depends on the initials of the stem with which they will assimilate.
Two or more sound forms of a stem existing under conditions of complementary distribution may also be regarded as allomorphs, as, for instance, in long a: length n.
II. Structural types of words.
The morphological analysis of word- structure on the morphemic level aims at splitting the word into its constituent morphemes – the basic units at this level of analysis – and at determining their number and types. The four types (root words, derived words, compound, shortenings) represent the main structural types of Modern English words, and conversion, derivation and composition the most productive ways of word building.
According to the number of morphemes words can be classified into monomorphic and polymorphic. Monomorphic or root-words consist of only one root-morpheme, e.g. small, dog, make, give, etc. All polymorphic word fall into two subgroups: derived words and compound words – according to the number of root-morphemes they have. Derived words are composed of one root-morpheme and one or more derivational morphemes, e.g. acceptable, outdo, disagreeable, etc. Compound words are those which contain at least two root-morphemes, the number of derivational morphemes being insignificant. There can be both root- and derivational morphemes in compounds as in pen-holder, light-mindedness, or only root-morphemes as in lamp-shade, eye-ball, etc.
These structural types are not of equal importance. The clue to the correct understanding of their comparative value lies in a careful consideration of: 1)the importance of each type in the existing wordstock, and 2) their frequency value in actual speech. Frequency is by far the most important factor. According to the available word counts made in different parts of speech, we find that derived words numerically constitute the largest class of words in the existing wordstock; derived nouns comprise approximately 67% of the total number, adjectives about 86%, whereas compound nouns make about 15% and adjectives about 4%. Root words come to 18% in nouns, i.e. a trifle more than the number of compound words; adjectives root words come to approximately 12%.
But we cannot fail to perceive that root-words occupy a predominant place. In English, according to the recent frequency counts, about 60% of the total number of nouns and 62% of the total number of adjectives in current use are root-words. Of the total number of adjectives and nouns, derived words comprise about 38% and 37% respectively while compound words comprise an insignificant 2% in nouns and 0.2% in adjectives. Thus it is the root-words that constitute the foundation and the backbone of the vocabulary and that are of paramount importance in speech. It should also be mentioned that root words are characterized by a high degree of collocability and a complex variety of meanings in contrast with words of other structural types whose semantic structures are much poorer. Root- words also serve as parent forms for all types of derived and compound words.
III. Principles of morphemic analysis.
In most cases the morphemic structure of words is transparent enough and individual morphemes clearly stand out within the word. The segmentation of words is generally carried out according to the method of Immediate and Ultimate Constituents. This method is based on the binary principle, i.e. each stage of the procedure involves two components the word immediately breaks into. At each stage these two components are referred to as the Immediate Constituents. Each Immediate Constituent at the next stage of analysis is in turn broken into smaller meaningful elements. The analysis is completed when we arrive at constituents incapable of further division, i.e. morphemes. These are referred to Ultimate Constituents.
A synchronic morphological analysis is most effectively accomplished by the procedure known as the analysis into Immediate Constituents. ICs are the two meaningful parts forming a large linguistic unity.
The method is based on the fact that a word characterized by morphological divisibility is involved in certain structural correlations. To sum up: as we break the word we obtain at any level only ICs one of which is the stem of the given word. All the time the analysis is based on the patterns characteristic of the English vocabulary. As a pattern showing the interdependence of all the constituents segregated at various stages, we obtain the following formula:
un+ { [ ( gent- + -le ) + -man ] + -ly}
Breaking a word into its Immediate Constituents we observe in each cut the structural order of the constituents.
A diagram presenting the four cuts described looks as follows:
1. un- / gentlemanly
2. un- / gentleman / — ly
3. un- / gentle / — man / — ly
4. un- / gentl / — e / — man / — ly
A similar analysis on the word-formation level showing not only the morphemic constituents of the word but also the structural pattern on which it is built.
The analysis of word-structure at the morphemic level must proceed to the stage of Ultimate Constituents. For example, the noun friendliness is first segmented into the ICs: [frendlı-] recurring in the adjectives friendly-looking and friendly and [-nıs] found in a countless number of nouns, such as unhappiness, blackness, sameness, etc. the IC [-nıs] is at the same time an UC of the word, as it cannot be broken into any smaller elements possessing both sound-form and meaning. Any further division of –ness would give individual speech-sounds which denote nothing by themselves. The IC [frendlı-] is next broken into the ICs [-lı] and [frend-] which are both UCs of the word.
Morphemic analysis under the method of Ultimate Constituents may be carried out on the basis of two principles: the so-called root-principle and affix principle.
According to the affix principle the splitting of the word into its constituent morphemes is based on the identification of the affix within a set of words, e.g. the identification of the suffix –er leads to the segmentation of words singer, teacher, swimmer into the derivational morpheme – er and the roots teach- , sing-, drive-.
According to the root-principle, the segmentation of the word is based on the identification of the root-morpheme in a word-cluster, for example the identification of the root-morpheme agree- in the words agreeable, agreement, disagree.
As a rule, the application of these principles is sufficient for the morphemic segmentation of words.
However, the morphemic structure of words in a number of cases defies such analysis, as it is not always so transparent and simple as in the cases mentioned above. Sometimes not only the segmentation of words into morphemes, but the recognition of certain sound-clusters as morphemes become doubtful which naturally affects the classification of words. In words like retain, detain, contain or receive, deceive, conceive, perceive the sound-clusters [rı-], [dı-] seem to be singled quite easily, on the other hand, they undoubtedly have nothing in common with the phonetically identical prefixes re-, de- as found in words re-write, re-organize, de-organize, de-code. Moreover, neither the sound-cluster [rı-] or [dı-], nor the [-teın] or [-sı:v] possess any lexical or functional meaning of their own. Yet, these sound-clusters are felt as having a certain meaning because [rı-] distinguishes retain from detain and [-teın] distinguishes retain from receive.
It follows that all these sound-clusters have a differential and a certain distributional meaning as their order arrangement point to the affixal status of re-, de-, con-, per- and makes one understand —tain and –ceive as roots. The differential and distributional meanings seem to give sufficient ground to recognize these sound-clusters as morphemes, but as they lack lexical meaning of their own, they are set apart from all other types of morphemes and are known in linguistic literature as pseudo- morphemes. Pseudo- morphemes of the same kind are also encountered in words like rusty-fusty.
IV. Derivational level of analysis. Stems. Types of Stems. Derivational types of word.
The morphemic analysis of words only defines the constituent morphemes, determining their types and their meaning but does not reveal the hierarchy of the morphemes comprising the word. Words are no mere sum totals of morpheme, the latter reveal a definite, sometimes very complex interrelation. Morphemes are arranged according to certain rules, the arrangement differing in various types of words and particular groups within the same types. The pattern of morpheme arrangement underlies the classification of words into different types and enables one to understand how new words appear in the language. These relations within the word and the interrelations between different types and classes of words are known as derivative or word- formation relations.
The analysis of derivative relations aims at establishing a correlation between different types and the structural patterns words are built on. The basic unit at the derivational level is the stem.
The stem is defined as that part of the word which remains unchanged throughout its paradigm, thus the stem which appears in the paradigm (to) ask ( ), asks, asked, asking is ask-; thestem of the word singer ( ), singer’s, singers, singers’ is singer-. It is the stem of the word that takes the inflections which shape the word grammatically as one or another part of speech.
The structure of stems should be described in terms of IC’s analysis, which at this level aims at establishing the patterns of typical derivative relations within the stem and the derivative correlation between stems of different types.
There are three types of stems: simple, derived and compound.
Simple stems are semantically non-motivated and do not constitute a pattern on analogy with which new stems may be modeled. Simple stems are generally monomorphic and phonetically identical with the root morpheme. The derivational structure of stems does not always coincide with the result of morphemic analysis. Comparison proves that not all morphemes relevant at the morphemic level are relevant at the derivational level of analysis. It follows that bound morphemes and all types of pseudo- morphemes are irrelevant to the derivational structure of stems as they do not meet requirements of double opposition and derivative interrelations. So the stem of such words as retain, receive, horrible, pocket, motion, etc. should be regarded as simple, non- motivated stems.
Derived stems are built on stems of various structures though which they are motivated, i.e. derived stems are understood on the basis of the derivative relations between their IC’s and the correlated stems. The derived stems are mostly polymorphic in which case the segmentation results only in one IC that is itself a stem, the other IC being necessarily a derivational affix.
Derived stems are not necessarily polymorphic.
Compound stems are made up of two IC’s, both of which are themselves stems, for example match-box, driving-suit, pen-holder, etc. It is built by joining of two stems, one of which is simple, the other derived.
In more complex cases the result of the analysis at the two levels sometimes seems even to contracted one another.
The derivational types of words are classified according to the structure of their stems into simple, derived and compound words.
Derived words are those composed of one root- morpheme and one or more derivational morpheme.
Compound words contain at least two root- morphemes, the number of derivational morphemes being insignificant.
Derivational compound is a word formed by a simultaneous process of composition and derivational.
Compound words proper are formed by joining together stems of word already available in the language.
Теги:
Word structure in modern english
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Найти в Wikkipedia статьи с фразой: Word structure in modern english
1. Ефименко А.З. Цены и ценовая политика. // Экономика строительства. — 2000. — №1. — С.54-61.
2. Цены и ценообразование: Учебник для вузов / Под ред. И.К. Салимжанова. — М.: ЗАО «Финстатинформ», 2003.
3. Дерябин А.А. Система ценообразования и финансов, пути совершенствования. М., Экономика, 2001
4. Певший Ф.М. Мировой рынок, конъюнктура, цены и маркетинг. М., МО, 2003
5. Ценообразование и рынок под ред. Салижманова И.K. М., Финстатинформ, колл. авторов, М., Прогресс, 2002
The Object of Lexicology
Antrushina G.B. English Lexicology
(pp. 6 – 11)
1. What is lexicology?
2. The structure of the word.
3. The main problems of lexicology.
4. Phraseology.
5. Vocabulary as a system.
What’s in a name? that which we call a rose
By any other name would smell as sweet…
(W. Shakespeare. Romeo and Juliet)
Что в имени твоём? То, что зовём мы розой, —
И под другим названьем сохраняло б
Свой сладкий запах!
(перевод Щепкиной-Куперник)
1. What is lexicology?
These famous lines reflect one of the fundamental problems of linguistic research: what is in a name, in a word? Is there any direct connection between a word and the object it represents? Could a rose have been called by “any other name” as Juliet says?
These and similar questions are answered by lexicological research. Lexicology,a branch of linguistics, is the study of words.
“Lexicology (from Gr lexis ‘word’ and logos ‘learning’) is the part of linguistics dealing with the vocabulary of a language and the properties of words as the main units of language. The term vocabulary is used to denote the system formed by the sum total of all the words that the language possesses.
The term word denotes the basic unit of a given language resulting from the association of a particular meaning with a particular group of sounds capable of a particular grammatical employment. A word therefore is simultaneously a semantic, grammatical and phonological unit.”
(I. Arnold, Lexicology, p.9)
We do not know much about the origin of language and, consequently, of the origin of words. We know almost nothing about the mechanism by which a speaker’s mental process is converted into sound groups called “words”, nor about the reverse process whereby a listener’s brain converts the acoustic phenomena into concepts and ideas, thus establishing a two-way process of communication.
We know very little about the nature of relations between the word and the referent (i.e. object, phenomenon, quality, action, etc. denoted by the word). If we assume that there is a direct relation between the word and the referent it gives rise to another question: how should we explain the fact that the same referent is designated by quite different sound groups in different languages.
We do know by now that there is nothing accidental about the vocabulary of the language (the total sum of its words);that each word is a small unit within a vast, efficient and perfectly balanced system.
What do we know about the nature of the word?
First, we know that the word is a unit of speech which serves the purposes of human communication. Thus, the word can be defined as a unit of communication.
Secondly, the word can be perceived as the total of the sounds which comprise it.
Third, the word, viewed structurally, possesses several characteristics.
The structure of the word
The modern approach to word studies is based on distinguishing between the external and the internal structures of the word.
By external structure of the word we mean its morphological structure. For example, in the word post-impressionists the following morphemes can be distinguished: the prefixes post-, im-, the root press, the noun-forming suffixes — ion, — ist, and the grammatical suffix of plurality -s. All these morphemes constitute the external structure of the word post-impressionists.
The internal structure of the word,or its meaning,is commonly referred to as the word’s semantic structure. This is the word’s main aspect. Words can serve the purposes of human communication solely due to their meanings.
The area of lexicology specializing in the semantic studies of the word is called semantics.
Another structural aspect of the word is its unity. The word possesses both external (or formal) unity and semantic unity. Formal unity of the word is sometimes interpreted as indivisibility. The example of post-impressionists has already shown that the word is not indivisible. Yet, its component morphemes are permanently linked together in opposition to word-groups, both free and with fixed contexts, whose components possess a certain structural freedom, e.g. bright light, to take for granted.
The formal unity of the word can best be illustrated by comparing a word and a word-group comprising identical constituents. The difference between a blackbird and a black bird is explained by their relationship with the grammatical system of the language. The word blackbird, which is characterized by unity, possesses a single grammatical framing: blackbird/s. The first constituent black is not subject to any grammatical changes. In the word-group a black bird each constituent can acquire grammatical forms of its own: the blackest birds I’ve ever seen. Other words can be inserted between the components: a black night bird.
The same example may be used to illustrate what we mean by semantic unity.
In the word-group a black bird each of the meaningful words conveys a separate concept: bird – a kind of living creature; black – a colour.
The word blackbird conveys only one concept: the type of bird. This is one of the main features of any word: it always conveys one concept, no matter how many component morphemes it may have in its external structure.
A further structural feature of the word is its susceptibility to grammatical employment. In speech most words can be used in different grammatical forms in which their interrelations are realized.
All that we have said about the word can be summed up as follows.
The word is a speech unit used for the purposes of human communication, materially representing a group of sounds, possessing a meaning, susceptible to grammatical employment and characterized by formal and semantic unity.
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Technically, a word is a unit of language that carries meaning and consists of one or more morphemes which are linked more or less tightly together, and has a phonetic value.
Typically a word will consist of a root or stem and zero or more affixes.
Words can be combined to create phrases, clauses, and sentences.
A word consisting of two or more stems joined together is called a compound.
It is quite hard to define what exactly a ‘word’ is, because
what is classified as words in different language are different
determining word boundaries in speech is very complex (e.g. short words are often run together and long words are often broken up)
If a word is a unit of language that consists of one or more morphemes, then we need to know what a morpheme is.
A morpheme is the smallest linguistic unit that has semantic meaning
E.g
rude
un-true
smooth-ly
dis-organize-d
A word can consists of:
one morpheme (simple)
cat
travel
appear
more than one morpheme (complex)
cat-s
travel-ed
dis-appeare-d
There are 6 main types of morphemes:
free
bound
lexical
grammatical
inflectional
derivational
Free morphemes can constitute a word on their own:
Thakuru
will
a
Bound morphemes must appear with one or more morphemes to form a word:
Thakuru’s
help–ed
en–able
Words often consist of a free morpheme with one or more bound morphemes attached to it:
en-danger-ed
In this sort of word, the free morpheme is called the root or stem, and the bound morphemes are affixes
An affix attached to the front of a word is called a prefix
An affix attached to the back of a word is called a suffix
lexical morphemes have lexical (semantic) meanings:
help
impressive
race
Grammatical morphemes provide grammatical information:
help-ed
under
en–danger
Lexical morphemes tend to be free morphemes:
Hiyala
jump
afternoon
Grammatical morphemes may be either free or bound:
Hiyala’s
jump-ed
afternoon-s
Inflectional &Â Derivational MorphemesÂ
Bound grammatical morphemes seem to come in (at least) two types:
Inflectional
derivational
The precise difference between inflectional and derivational morphemes is hard to define
But the most obvious difference is:
derivational morphemes build new words by changing the meaning and/or syntactic category of the word
inflectional morphemes permit a word to agree with other words in its context by providing grammatical information