auxiliary verb , aux. (Abkürzung) , aux (Abkürzung) , auch: helping verb

As such, it is usually used with an auxiliary verb.

In modern English, the auxiliary verb for forming the present perfect is always to have.

They are used as auxiliary verbs only and always need a main verb to follow.

A subject usually comes before a verb, but it can also come after auxiliary verbs.

The future in Creole is expressed with the auxiliary verb "to go".

In the sentence above, both rules yield the same result since there is only one auxiliary verb.

In addition there are four past tense structures which include auxiliary verbs.

Some sentences contain a chain of two or more auxiliary verbs.

The literature on auxiliary verbs is somewhat inconsistent in this area.

It is also used in the negative when no other auxiliary verbs are used.

They are also to be distinguished from sequences of main plus auxiliary verbs.

Some of them do the work of auxiliary verbs (no. 129 to 140).

In statements, the subject always comes first or third and the auxiliary verb comes second.

The auxiliary verbs may and let are also used often in the subjunctive mood.

Auxiliary verbs are used to describe movement, state, and change of state.

The English tag question is made up of an auxiliary verb and a pronoun.

Some of these serve similar grammatical functions (see auxiliary verbs).

In English the forms are often the same, using the auxiliary verb to be followed by the past participle.

If there is no auxiliary verb, the main verb comes second.

The auxiliary verbs help express functional meaning of aspect and voice.

On this basis, the auxiliary verbs of English may be taken to include:

Other approaches to defining auxiliary verbs are described in the following sections.

The main differences between the various proposed sets of auxiliary verbs are noted below.

Both use a combination of auxiliary verbs and verb endings.

The following table lists the modal auxiliary verbs of standard English.