15 простых предложении на тему present perfect tense

1. I have finally tried this cake.
2. He has never seen this film.
3. I have just do my homework.
4. They have already read "Crime and Punishment".
5. She has never been to London.
6. We have just watched a comedy.
7. I haven`t done it yet.
8. He has already visited the new exhibition.
9. We have already done it.
10. We have never  cooked this dish.
11. I have already drunk coffee.
12. Mary has never gone by train.
13. I have already written my essay.
14. Joe have just played computer games.
15. Rick  has never played the piano