present perfect or past simple. From exercise book.

1. It was very cloudy yesterday.
2. When did you meet him?
3. I have not seen him since 2006.
4. How many mushrooms have you gathered?
5. Where have you put the newspaper? I want to read it, but cannot find it anywhere.
6. The new school began working last year.
7. At last I have done my homework: now I will go out.
8. The building of the house began early in April.
9. The rain has stopped, but a cold wind is still blowing.
10. We have already solved the problem.
11. He has come (or "he came" sounds a little more natural to me) a moment ago.
12. I never spoke to him.
13. He just finished his work.
14. Have you made any spelling mistakes in your dictation?
15. What books did you read, when you lived in the country?
16. They have not come from the south yet.
17. He was ill last week, but now he has recovered.
18. If everybody has read this new novel, let's discuss it.
19. Did you book tickets? -Yes, I did. I have booked them several days ago.
20. I can heardly recognize you. I have not seen you since you have left for Moscow. And you changed so much.

Great job--that was nearly perfect!

present perfect or past simple. From exercise book.

1. It was very cloud yesterday.
2. When did you meet him?
3. I have not seen him since 2006.
4. How many mushrooms have you gathered?
5. Where have you put the newspaper? I want to read it? but cannot find it anywhere.
6. The new school began working last year.
7. At last I have done my homework: now I will go out.
8. The building of the house began early in April.
9. The rain has stoped, but a cold wind is still blowing.
10. We have already solved the problem.
11. He has come a moment ago.
12. I never spoke to him. Is it posible too? I never have spoken to him. 
13. He just finished his work.
14. Have you made any spelling mistakes in your dictation?
15. What books have you read, when you lived in the country?
16. They have not come from the south yet.
17. He was ill last week, but now he has recovered. He has been ill last week, but now he is recovered.
18. If everybody have read this new novel, let's discuss it.
19. Did you book tickets? -Yes? I did. I have booked it several days ago. Have you booked the tickets?
20. I can heardly recognize you. I have not seen you since you have left for Moscow. And you changed so much.

present perfect or past simple. From exercise book.

1. It was very cloudy yesterday.
2. When did you meet him?
3. I have not/haven't seen him since 2006.
4. How many mushrooms have you gathered?
5. Where have you put the newspaper? I want to read it, but cannot find it anywhere.
6. The new school began working last year.
7. At last I have finished my homework and now I will go out.
8. The building of the house began early April.
9. The rain stopped, but the air is still cold. 
10. We have already solved the problem.
11. He came about few sec./mins. ago. 
12. I have never spoke with him (before).
13. He just finished his work.
14. Have you made any spelling mistakes in your dictation?
15. Which books have you read, when you were living in that country?
16. They have not come from the south yet.
17. He was ill/sick last week, but now he recovered.
18. If anybody read this new novel, let's discuss it.
19. Did you book tickets? -Yes? I did. I have booked it several days ago.
20. I can heardly recognize you. I have not/haven't seen you since you left for Moscow. And you've changed so much.