The use of 'have' in the imperative

One of the most common uses of have (= 'take', etc.) is in the imperative. It is often used after do [> 9.53] for emphasis and/or encouragement (Do have). Common instances are:

Offers: Do have some oysters! Don't have tomato soup

Suggestions: Have a bath and a rest and you'll feel better

Encouragement: Have a go! Have a try! Have a shot at i t
Good wishes: Have fun! Have a good time! Have a good day!

(fixed expressions)

There are no direct references to appetite, digestion, etc. (like Bon appetit! in French or Guten Appetit! in German), but expressions with have can be coined to suit particular occasions:

Have a really good meal! Have a lovely party!

Have a really restful holiday!

Have a really interesting debate! etc.

'Do' as a full verb

Forms of 'do' as a full verb

10.41 The present form of 'do' as a full verb

Imperative

Simple present

present progressive:

simple past:

past progressive:

present perfect:

Present perfect progressive.

Past perfect

past perfect progressive:

simple future. future progressive. future perfect:

Future perfect progressive

With modal verbs.

Do your homework '

/ do the shopping every morning

I'm doing this crossword puzzle

He did a lot of work this morning

We were doing sums all yesterday evening

We've just done the washing-up

I've been doing this exercise all day

We went home after we had done our work

We had been doing business with each

other for years before we quarrelled

/'// do the housework tomorrow morning

/'// be doing jobs about the house tomorrow

If you finish this job as well, you will

have done far more than I expected

By this time next year, we will have been

doing business with each other for 20 years

e.g. Would you do me a favour please?

affirmative	negative full form	negative short form
I do	I do not	I don't
You do	You do not	You don't
He does	He does not	He doesn't
She does the work she does not	She doesn't do the work
It does	It does not	It doesn't
We do	We do not	We don't
You do	You do not	You don t
They do	They do not	They don t