Page 238 - Practical English Usage 3ed - Michael Swan, Oxford

235 have (2): auxiliary verb have + past participle
1 perfect verb forms
We use have as an auxiliary verb with past participles, to make 'perfect' verb forms.
You've heard about Peter and Corinne? (present perfect: see 455-460) 1 realised that I had met him before. (past perfect: see 423-425)
We'll have been living here for two years next Sunday.
(future perfect: see 219)
I'd like to have lived in the eighteenth century.
(perfect infinitive: see 2BO)
Having been there before, he knew what to expect.
(perfect participle: see 40B.2a)
2 questions and negatives
like all auxiliary verbs, have makes questions and negatives without do. Have you heard the news? (NOT DB)I6ft httflt! heard: •. .?)
1 haven't seen them. (NOT I titm'f httflt! seen them.)
3 progressive forms
There are no progressive forms of the auxiliary verb have.
1 haven't seen her anywhere. (NOT J'm not hailing seen her anyt:tll1ere.)
For contractions. see 143. For weak fonns. see 616.
236 have (3): actions
1 meaning and typical expressions
We often use have + object to talk about actions and experiences, especially in an informal style.
Let's have a drink.
I'm going to have a bath.
I'll have a think (BrE) and let you know what 1 decide. Have a good time.
In expressions like these, have can be the equivalent of 'eat', 'drink', 'enjoy', 'experience' or many other things - the exact meaning depends on the following noun. Common expressions:
have breakfast / lunch / supper / dinner / tea / coffee / a drink / a meal have a bath / a wash / a shave / a shower
have a rest / a lie-down / a sleep / a dream
have a good time / a bad day / a nice evening / a day off/ a holiday have a good journey / flight / trip etc
have a talk / a chat / a word with somebody / a conversation / a disagreement / a row / a quarrel / a fight
have (2): auxiliary verb 235
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