Grammatical features |
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In linguistics, a grammatical category or grammatical feature is a property of items within the grammar of a language. Within each category there are two or more possible values (sometimes called grammemes), which are normally mutually exclusive. Frequently encountered grammatical categories include:
Although the use of terms varies from author to author, a distinction should be made between grammatical categories and lexical categories. Lexical categories (considered syntactic categories) largely correspond to the parts of speech of traditional grammar, and refer to nouns, adjectives, etc.
A phonological manifestation of a category value (for example, a word ending that marks "number" on a noun) is sometimes called an exponent.
Grammatical relations define relationships between words and phrases with certain parts of speech, depending on their position in the syntactic tree. Traditional relations include subject, object, and indirect object.
A given constituent of an expression can normally take only one value in each category. For example, a noun or noun phrase cannot be both singular and plural, since these are both values of the "number" category. It can, however, be both plural and feminine, since these represent different categories (number and gender).
Categories may be described and named with regard to the type of meanings that they are used to express. For example, the category of tense usually expresses the time of occurrence (e.g. past, present or future). However, purely grammatical features do not always correspond simply or consistently to elements of meaning, and different authors may take significantly different approaches in their terminology and analysis. For example, the meanings associated with the categories of tense, aspect and mood are often bound up in verb conjugation patterns that do not have separate grammatical elements corresponding to each of the three categories; see Tense–aspect–mood.
Categories may be marked on words by means of inflection. In English, for example, the number of a noun is usually marked by leaving the noun uninflected if it is singular, and by adding the suffix -s if it is plural (although some nouns have irregular plural forms). On other occasions, a category may not be marked overtly on the item to which it pertains, being manifested only through other grammatical features of the sentence, often by way of grammatical agreement.
For example:
The bird can sing.
The birds can sing.
In the above sentences, the number of the noun is marked by the absence or presence of the ending -s.
The sheep is running.
The sheep are running.
In the above, the number of the noun is not marked on the noun itself (sheep does not inflect according to the regular pattern), but it is reflected in agreement between the noun and verb: singular number triggers is, and plural number are.
The bird is singing.
The birdsare singing.
In this case the number is marked overtly on the noun, and is also reflected by verb agreement.
However:
The sheep can run.
In this case the number of the noun (or of the verb) is not manifested at all in the surface form of the sentence, and thus ambiguity is introduced (at least, when the sentence is viewed in isolation).
Exponents of grammatical categories often appear in the same position or "slot" in the word (such as prefix, suffix or enclitic). An example of this is the Latin cases, which are all suffixal: rosa, rosae, rosae, rosam, rosa, rosā ("rose", in the nominative, genitive, dative, accusative, vocative and ablative).
Categories can also pertain to sentence constituents that are larger than a single word (phrases, or sometimes clauses). A phrase often inherits category values from its head word; for example, in the above sentences, the noun phrase the birds inherits plural number from the noun birds. In other cases such values are associated with the way in which the phrase is constructed; for example, in the coordinated noun phrase Tom and Mary, the phrase has plural number (it would take a plural verb), even though both the nouns from which it is built up are singular.
In traditional structural grammar, grammatical categories are semantic distinctions; this is reflected in a morphological or syntactic paradigm. But in generative grammar, which sees meaning as separate from grammar, they are categories that define the distribution of syntactic elements. [1] For structuralists such as Roman Jakobson grammatical categories were lexemes that were based on binary oppositions of "a single feature of meaning that is equally present in all contexts of use". Another way to define a grammatical category is as a category that expresses meanings from a single conceptual domain, contrasts with other such categories, and is expressed through formally similar expressions. [2] Another definition distinguishes grammatical categories from lexical categories, such that the elements in a grammatical category have a common grammatical meaning – that is, they are part of the language's grammatical structure. [3]
In linguistics, an affix is a morpheme that is attached to a word stem to form a new word or word form. The main two categories are derivational and inflectional affixes. The first ones, such as -un, -ation, anti-, pre- etc, introduce a semantic change to the word they are attached to. The latter ones introduce a syntactic change, such as singular into plural, or present simple tense into present continuous or past tense by adding -ing, -ed to an English word. All of them are bound morphemes by definition; prefixes and suffixes may be separable affixes.
A morpheme is the smallest meaningful constituent of a linguistic expression. The field of linguistic study dedicated to morphemes is called morphology.
In linguistics, morphology is the study of words, including the principles by which they are formed, and how they relate to one another within a language. Most approaches to morphology investigate the structure of words in terms of morphemes, which are the smallest units in a language with some independent meaning. Morphemes include roots that can exist as words by themselves, but also categories such as affixes which that can only appear as part of a larger word. For example, in English the root catch and the suffix -ing are both morphemes; catch may appear as its own word, or it may be combined with -ing to form the new word catching. Morphology also analyzes how words behave as parts of speech, and how they may be inflected to express grammatical categories including number, tense, and aspect. Concepts such as productivity are concerned with how speakers create words in specific contexts, which evolves over the history of a language.
A verb is a word that in syntax generally conveys an action, an occurrence, or a state of being. In the usual description of English, the basic form, with or without the particle to, is the infinitive. In many languages, verbs are inflected to encode tense, aspect, mood, and voice. A verb may also agree with the person, gender or number of some of its arguments, such as its subject, or object. Verbs have tenses: present, to indicate that an action is being carried out; past, to indicate that an action has been done; future, to indicate that an action will be done.
A syntactic category is a syntactic unit that theories of syntax assume. Word classes, largely corresponding to traditional parts of speech, are syntactic categories. In phrase structure grammars, the phrasal categories are also syntactic categories. Dependency grammars, however, do not acknowledge phrasal categories.
In grammar, a phrase—called expression in some contexts—is a group of words or singular word acting as a grammatical unit. For instance, the English expression "the very happy squirrel" is a noun phrase which contains the adjective phrase "very happy". Phrases can consist of a single word or a complete sentence. In theoretical linguistics, phrases are often analyzed as units of syntactic structure such as a constituent. There is a difference between the common use of the term phrase and its technical use in linguistics. In common usage, a phrase is usually a group of words with some special idiomatic meaning or other significance, such as "all rights reserved", "economical with the truth", "kick the bucket", and the like. It may be a euphemism, a saying or proverb, a fixed expression, a figure of speech, etc.. In linguistics, these are known as phrasemes.
The plural, in many languages, is one of the values of the grammatical category of number. The plural of a noun typically denotes a quantity greater than the default quantity represented by that noun. This default quantity is most commonly one. Therefore, plurals most typically denote two or more of something, although they may also denote fractional, zero or negative amounts. An example of a plural is the English word cats, which corresponds to the singular cat.
In linguistics, a participle is a nonfinite verb form that has some of the characteristics and functions of both verbs and adjectives. More narrowly, participle has been defined as "a word derived from a verb and used as an adjective, as in a laughing face".
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In linguistics, especially within generative grammar, phi features are the morphological expression of a semantic process in which a word or morpheme varies with the form of another word or phrase in the same sentence. This variation can include person, number, gender, and case, as encoded in pronominal agreement with nouns and pronouns. Several other features are included in the set of phi-features, such as the categorical features ±N (nominal) and ±V (verbal), which can be used to describe lexical categories and case features.
In linguistics, a feature is any characteristic used to classify a phoneme or word. These are often binary or unary conditions which act as constraints in various forms of linguistic analysis.
In linguistics, agreement or concord occurs when a word changes form depending on the other words to which it relates. It is an instance of inflection, and usually involves making the value of some grammatical category "agree" between varied words or parts of the sentence.
In linguistics, a suffix is an affix which is placed after the stem of a word. Common examples are case endings, which indicate the grammatical case of nouns and adjectives, and verb endings, which form the conjugation of verbs. Suffixes can carry grammatical information or lexical information . Inflection changes the grammatical properties of a word within its syntactic category. Derivational suffixes fall into two categories: class-changing derivation and class-maintaining derivation.
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