The Grammaring Guide to English Grammar with Exercises

Subject-auxiliary inversion in questions

Questions are formed from statements by inverting the subject and auxiliary. In the present and past simple, the auxiliaries do/does and did come before the subject, which is followed by the bare infinitive. Be as a main verb can also come before the subject:

You can

help me.

Can you

help me?

You have

lived here for some time.

How long

have you

lived here?

You would

have done the same.

Would you

have done the same?

You are

staying at this hotel.

Are you

staying at this hotel?

She likes

skating.

Does she like

skating?

They arrived

yesterday.

When

did they arrive

?

I am

late.

Am I

late?

Related topics:

Form: past simple

Form: past continuous

Form: past perfect

Form: past perfect continuous

Form: present simple

Form: present continuous

Form: present perfect

Form: present perfect continuous

Form: future simple

Form: future continuous

Form: future perfect

Form: future perfect continuous

Types of modals

Form: passive voice