ответ: 1. I have never been to the USA. I wanted to go there last summer but I couldn’t.
2. He has lived in this street all his life.
3. His father came back to London last Sunday.
4. Yan wrote a letter to Nick two days ago.
5. He sent his letter yesterday.
6. They have just bought some postcards.
7. Maria got some bad news last week. She has been sad since she got the bad news.
8. I started school when I was five years old. I have been at school since I was five years old.
9. I have changed my job three times this year.
10. I changed my job three times last year.
11. The weather was hot and dry for many weeks. But two days ago it rained.
12. Tom broke his leg five days ago. He’s in hospital. He has been in hospital since he broke his leg.
13. Are you going to finish your work before you go to bed? — I have already finished it . I finised my work two hours ago.
11. Tina wanted to buy a new dress in the sale but she had left her credit card at home.
12. After Samantha had learnt to ski she went on the skiing holiday.
13. After Andrea's computer had broken she stopped shopping online.
14. Gemma had been saving her pocket money for three months because she could buy a skateboard.
15. After Sheila had wrapped all her presents the guests arrived.
16. Howard got a free girl because he had bought a lot of things in the shop.
17. Helen and Mark went on a honeymoon to Mauritius after they had got married.
18. Anna hadn't spent much money before Christmas so she bought some new shoes in January.
19. After Ben had tried to repair his own bike, he borrowed his friend's bike.
20. Gavin found a well-paid job because he had gone to the university.