Exercise on Present Perfect Simple

Put the verbs into the correct form (present perfect simple).

1. I (not / work) today.
2. We (buy) a new lamp.
3. We (not / plan) our holiday yet.
4. Where (be / you) ?
5. He (write) five letters.
6. She (not / see) him for a long time.
7. (be / you) at school?
8. School (not / start) yet.
9. (speak / he) to his boss?
10. No, he (have / not) the time yet.