Page 47 - Oxford_Grammar_for_Schools_4_SB_Neat 1

Present perfect

I can use the present perfect tense with appropriate time expressions.

Present perfect

No, i haven't. Have you.? J

We use the present perfect to talk about events that We can, however, use unfinished time expressions,
happened in the past but we don't know when. for example, ever, never, today, once, twice.
'
'
I ve lost my phone. (= I lost it. I don t know when.) Note that ever and never go before the past participle.
'
He's visited Turkey and Russia. (= He visited both countries I ve never worked as a waiter.
in the past. We don't know when.) ' Have you ever sailed a boat?' 'No, I haven't.'
He,s seen that film twice.
We often use the present perfect when a past event
You've eaten a lot of chocolate today.
has some connection to now.
This is the first time I've ever played chess.
Someone has broken the chair. (= Here is the chair. We can
'
see it is broken. We don t know when it happened.) We can use gone to and been to in present perfect
Sorry! I haven't found your purse. (= I am still looking for sentences. They have different meanings.
it now) She's gone to China. (= She went to China and she's
still there now.)
We don't use a finished time expression, like yesterday
She's been to China. (= She went to China but she
or last year with the present perfect, because it isn<t
isn't there now.)
important or we don't know when an event happened.
I ve read that book.
,
I , ve read that book last year.

1 Circle the correct option. 2 Write the past participles of the irregular verbs. O
ÿ Peter have / has been to Egypt. Check your answers on page 176.

1 We haven't / hasn't seen your bag. ÿ break b roteen 8 run
2 I ve /1 given them some food. 1 buy 9 see
'
3 Have / Has you ever tried this? 2 do 10 send
4 You aren't / haven't cleaned your teeth. 3 eat 11 speak
5 Have / Has the children done their homework? 4 fall 12 spend
6 Anna has watch / watched that film twice. 5 have 13 tell

7 ' Have you had dinner?' 'No, we haven't / hasn't.' 6 make 14 win
8 Have you read / read you those emails? 7 read 15 write

Unit 9 45