переписати речення, поставити дієслова у форму Present Perfect (have, has + V3)

Put the verbs in the Present Perfect Tense.

1. He never (to be) in London. 2. I already (to buy) the underground map. 3. He just (to come) back from Paris. 4. We (not to visit) this museum since last year. 5. ____ you ever (to call) him? 6. She already (to do) the experiment. 7. We (not to prepare) for the lesson yet? 8. ____ she ever (to read) maps? 9. I (to study) at this school for 5 years. 10. We (not to see) our friends for ages.

Помогите пожалуйста ​

Ответ:
1
. He has never been to London.( после been пишем to. Но если хотите, оставьте in London )
2. I have already bought the underground map.
3. He has just come back from Paris.
4. We haven't visited this museum since last year.
5. Have you ever called him?
6. She has already done the experiment
7. Haven't we prepared for the lesson yet? (если отрицательное, то: We haven't prepared for the lesson yet.)
8. Has she ever read maps?
9. I have studied at this school for five years.
10. We haven't seen our friends for ages.