Present Perfect Positive
|SUBJECT||HAVE / HAS||PAST PARTICIPLE|
|I / you / we / they||have||eaten|
|he / she / it||has||eaten|
It’s common to use the contracted form:
- Yes, I’ve eaten sushi before.
- We’ve already seen that movie.
- He’s just woken up.
- She’s forgotten her cell phone.
In this case, he’s and she’s mean he has and she has, not he is or she is.
Present Perfect Negative
|SUBJECT||HAVEN’T / HASN’T||PAST PARTICIPLE|
|I / you / we / they||haven’t||eaten|
|he / she / it||hasn’t||eaten|
If you want to use the word “never,” then don’t use haven’t/hasn’t:
- I haven’t never eaten sushi.
I’ve never eaten sushi.
- She hasn’t never written an e-mail in English.
She’s never written an e-mail in English.
Click here to learn more about present perfect + ever/never.
Present Perfect Questions
|HAVE / HAS||SUBJECT||PAST PARTICIPLE|
|Have||I / you / we / they||eaten?|
|Has||he / she / it||eaten?|
How to answer present perfect questions:
- Have you been to London?
Yes, I have. / No, I haven’t.
- Has Alex met Miriam yet?
Yes, he has. / No, he hasn’t.
- Have the results of the election been announced?
Yes, they have. / No, they haven’t.