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In linguistics, an auxiliary or helping verb is a verb whose function it is to give further semantic information about the main or full verb which follows it. In English, the extra meaning an auxiliary verb imparts alters the basic form of the main verb to have one or more of the following functions: passive, progressive, perfective, modal, or dummy.
IntroductionIn stricter linguistic terms than the simple definition above: Every clause has a finite verb which consists of a full verb (a non-auxiliary verb) and optionally one or more auxiliary verbs, each of which is a separate word. Examples of finite verbs include write (no auxiliary verb), have written (one auxiliary verb), and have been written (two auxiliary verbs). There is a syntactic difference between an auxiliary verb and a full verb; that is, each has a different grammatical function within the sentence. In English, and in many other languages, there are some verbs that can act either as auxiliary or as full verbs, such as be ("I am writing a letter" vs "I am a postman") and have ("I have written a letter" vs "I have a letter"). In the case of be, it is sometimes ambiguous whether it is auxiliary or not; for example, The ice cream was melted could mean either Someone/something melted the ice cream (in which case melt would be the main verb) or the ice cream was mostly liquid (in which case be would be the main verb). Functions of the English auxiliary verbPassiveThe verb be (or often get) is used in the passive form to express an action where the subject is unknowable, not known, or of less interest than the action itself, e.g. the window is broken, the window gets broken. (See also Grammatical voice.) ProgressiveThis form, also known as the continuous form, uses the verb be. It is used to express the speaker's interpretation of the temporal nature of the event, e.g. I am doing my homework. (See also Grammatical aspect.) PerfectiveThe verb have is used in the perfective form to look back, i.e. retrospectively, at a past action from the present time. Or in other words, it is used to express an action that still has relevance to the present, e.g. Peter has fallen in love. (See also Grammatical aspect.) ModalMain article: Modal auxiliary verb There are nine modal verbs: can/could, may/might, shall/should, will/would and must. They differ from the other auxiliaries both in that they are defective verbs, and in that they can never function as main verbs. They express the speaker's (or listener's) judgement or opinion at the moment of speaking. Some of the modal verbs have been seen as a conditional tense form in English. Some schools of thought consider could to represent the past tense of can. However, according to Michael Lewis, (The English Verb), this is not always true. "Could I get you something?", clearly is not expressing Past Time. Lewis instead suggests that could is a remote form of can. It is evident after re-examining the usage of could in this light, that remoteness does describe the general meaning, e.g.
The remaining modal auxiliaries can be viewed in this same manner. Lewis covers this area in detail in his book, see reference. DummyBecause, aside from the verb to be (or to have in British English), only auxiliaries can be inverted to form questions and only auxiliaries can take negation directly, a dummy auxiliary do is used for questions and negatives when only a full verb exists in the positive statement (i.e. there are no auxiliaries in the positive, non-interrogative form). The same dummy do is used for emphasis in the positive statement form. For example, if the positive statement form is:
the interrogative, negative and emphatic forms are respectively:
Compare this with:
Quasi-auxiliariesEnglish contains many verb phrases that function as quasi-auxiliaries, such as be going to, used to, is about to. These quasi-auxiliaries require an infinitive. Others, such as need (as in need fixing), take a present participle, while yet others such as get as in get broken take a past participle. Properties of the English auxiliary verbNegationAuxiliaries take not (or n't) to form the negative, e.g. can't, won't, shouldn't, etc. In certain tenses, in questions, when a contracted auxiliary verb can be used, the position of the negative particle n't moves from the main verb to the auxiliary: cf. Does it not work? and Doesn't it work? See English verbs InversionAuxiliaries invert to form questions:
EmphasisThe dummy auxiliary do is used for emphasis in positive statements (see above): I do like this beer! EllipsisAuxiliaries can appear alone where a main verb has been omitted, but is understood: John never sings, but Mary does sing. Other languagesSome languages use "be" for the perfective forms of some or all verbs, instead of "have" (in Esperanto, for example, Mi estis irinta = I was having-gone = I had gone). French, German, and Dutch use it for verbs of motion and becoming, and (in German and Dutch) for "to be" itself, as does Italian. The use of auxiliaries is one variation among Romance languages. Finnish uses ole for all verbs: "Sillä niin on Jumala maailmaa rakastanut" (Because so much is God the world loved). English uses "be" only with "go" in some senses. See alsoReferenceThe English Verb 'An Exploration of Structure and Meaning', Michael Lewis. Language Teaching Publications. ISBN 0-906717-40-X What does Auxiliary mean ? Search with Google !Article on Auxiliary, category, different spelling or sense |
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