auxiliary verbs

Modal Auxiliary Verb Must

Must is a modal auxiliary verb. It has no –s in the third person singular. He must go. (NOT He musts go…) Must is followed by an infinitive without to. I must get some rest. You must finish the report today itself. You must not tell this secret to anyone else. Little children must not be left unattended. Questions and negatives are made without do. Must we go now? …

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Do As An Ordinary Verb And An Auxiliary Verb

Do has three main uses. As an Auxiliary Verb The auxiliary do is used to make emphatic, interrogative and negative verb forms. It is followed by an infinitive without to. Did you post the letters? Do you like football? This doesn’t taste very nice Do sit down. I do admit that I was wrong. He did come. Note that we use do to make questions and negatives with ordinary verbs, but not with other auxiliary verbs. Do …

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Primary Auxiliary Verbs

An auxiliary verb is one which helps other verbs to make tenses, passive forms etc. There are two groups – primary auxiliaries and modal auxiliaries. Primary auxiliaries Be, do, have and their various forms are called primary auxiliaries. Be is used with other verbs to make progressive and passive verbs forms. I am writing. He was punished for lying. Do is used to make questions, negatives and emphatic forms of non-auxiliary …

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Primary Auxiliaries

The primary auxiliaries are of three kinds: be, do and have. Each of them has different forms. Be The auxiliary be has five forms: is, am, are, was and were. Be also has a present participle (being) and a past participle (been) form. I am writing a novel. He is working on a project. They are playing in the garden. We were waiting for the bus. He was waiting for her. Do Do has three forms: do, does and did. The forms do and does are …

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