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

Let's complete the sentences using the present perfect simple tense.

1. I haven't worked (not / work) today.
*Explanation:* The present perfect simple of "not work" is "have not worked" or "haven't worked".

2. We have bought (buy) a new lamp.
*Explanation:* The present perfect simple of "buy" is "have bought".

3. We haven't planned (not / plan) our holiday yet.
*Explanation:* The present perfect simple of "not plan" is "have not planned" or "haven't planned".

4. Where have you been (be / you)?
*Explanation:* The present perfect simple of "be you" in a question form is "have you been?".

5. He has written (write) five letters.
*Explanation:* The present perfect simple of "write" is "has written".

6. She hasn't seen (not / see) him for a long time.
*Explanation:* The present perfect simple of "not see" is "has not seen" or "hasn't seen".

7. Have you been (be / you) at school?
*Explanation:* The present perfect simple of "be you" in a question form is "have you been?".

8. School hasn't started (not / start) yet.
*Explanation:* The present perfect simple of "not start" is "has not started" or "hasn't started".

9. Has he spoken (speak / he) to his boss?
*Explanation:* The present perfect simple of "speak he" in a question form is "has he spoken?".

10. No, he hasn't had (have / not) the time yet.
*Explanation:* The present perfect simple of "have not" is "has not had" or "hasn't had".