14. present perfect simple
① Form
|
affirmative | ||
|
I / You / We / They |
have ('ve) |
finished. |
|
He / She / It |
has ('s) | |
|
negative | ||
|
I / You / We / They |
have not |
finished. |
|
He / She / It |
has not | |
|
questions | ||
|
Have |
I / you / we / they |
finished? |
|
Has |
he / she / it | |
|
short answers |
|
Yes, I have. / No, I haven't Yes, we / they have. No, we / they haven't. |
|
Yes, he / she / it has. No, he / she / it hasn't. |
② Use
* The teacher has arrived.
* There have been a accident.
* Tom hasn't break leg.
* She hasn't seen this film before.
* Have you finished school? Yes, I have.
* Have you done this exercise before? No, I haven't.
* Has the price of petrol gone up? Yes, I has.
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