Make the sentences in present perfect (positive, negative or question) using the words in brackets.

1. (she / go / to the library / today).

2. (you / keep / a pet / for three years).

3. (you / eat / thai food before)?

4. (it / rain / all day)?

5. (who / we / forget / to invite?

6. (we / not / hear / that song already).

7. (he / not / forget / his books).

8. (she / steal / all the chocolate) .

9. (i / explain / it / well)?

10. (who / he / meet / recently)? / it / well)? 10. (who / he / meet / recently)?

1. Has she gone to the library today? (positive statement in present perfect)
Explanation: We use the present perfect tense to talk about an action that started in the past and is still relevant to the present. In this case, we are asking if she has gone to the library today, which is an action that happened in the past and is still relevant now.

2. Have you kept a pet for three years? (positive statement in present perfect)
Explanation: We use the present perfect tense to talk about an action that started in the past and is still relevant to the present. In this case, we are asking if you have kept a pet for three years, which is an action that started in the past and is still ongoing now.

3. Have you eaten Thai food before? (question in present perfect)
Explanation: We use the present perfect tense to talk about a past action that is relevant to the present. In this case, we are asking if you have eaten Thai food before, which is an action that happened in the past and is still relevant to the present.

4. Has it rained all day? (positive statement in present perfect)
Explanation: We use the present perfect tense to talk about an action that started in the past and is still relevant to the present. In this case, we are asking if it has rained all day, which is an action that started in the past and is still ongoing now.

5. Who have we forgotten to invite? (question in present perfect)
Explanation: We use the present perfect tense to talk about a past action that is relevant to the present. In this case, we are asking who we have forgotten to invite, which is an action that happened in the past and is still relevant to the present.

6. We haven't heard that song already. (negative statement in present perfect)
Explanation: We use the present perfect tense to talk about an action that started in the past and is still relevant to the present. In this case, we are stating that we haven't heard that song already, which is an action that started in the past and is still ongoing now.

7. He hasn't forgotten his books. (negative statement in present perfect)
Explanation: We use the present perfect tense to talk about an action that started in the past and is still relevant to the present. In this case, we are stating that he hasn't forgotten his books, which is an action that started in the past and is still ongoing now.

8. Has she stolen all the chocolate? (positive statement in present perfect)
Explanation: We use the present perfect tense to talk about an action that started in the past and is still relevant to the present. In this case, we are asking if she has stolen all the chocolate, which is an action that started in the past and is still ongoing now.

9. Have I explained it well? (question in present perfect)
Explanation: We use the present perfect tense to talk about a past action that is relevant to the present. In this case, we are asking if I have explained it well, which is an action that happened in the past and is still relevant to the present.

10. Who has he met recently? (question in present perfect)
Explanation: We use the present perfect tense to talk about a past action that is relevant to the present. In this case, we are asking who he has met recently, which is an action that happened in the past and is still relevant to the present.