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Auxiliary Verb Do
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.
Note that we use do to make questions and negatives with ordinary verbs, but not with other auxiliary verbs.
To make imperative sentences
Do can be used with be to make imperative sentences.
As an ordinary verb
Do is also an ordinary verb. The ordinary verb do can refer to almost any kind of activity.
The auxiliary do and ordinary do can sometimes occur together.
Note that the ordinary do has infinitives (to do, to be done) and participles (doing, done).
Do - Other uses
Do can be used to avoid repeating a verb or a verb phrase.
|Category: Primary auxiliary verbs. Modal auxiliary verbs | Added by: Teacher_Koce (2015-11-29)|
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