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? …
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 …
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 …
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 …
Be able to Be able to can be used to talk about ability. It often has the same meaning as can/could. He is able to support her. (He can support her.) They were able to catch the thief. (They could catch the thief.) Be + infinitive Be + infinitive is used to indicate simple future, …
We put an auxiliary verb before the subject of a clause in several different structures. This is called inversion. Consider the statement She is coming with us, in which the subject she precedes the auxiliary is. In the corresponding YES/NO question Is she coming with us?, the auxiliary is comes before the subject she. Note …
When To Put The Auxiliary Verb Before The Subject? Read More »
