С 1 по 4 выполнить надобно помогите пожалуйста.

Упр 1

1. Strongest

2. him

3. most powerful

4. were arguing

5. saw

6. walking

7. said

8. began

9. colder

10. was

11. was becoming

12. hotter

13. hotter

14. took

15. won

Упр. 2

1. What language do you learn?

2. What did your mum buy you?

Упр. 3

1. He didn't help his uncle last Friday

2. Sarah won't go to New York next week

Упр.4

1. bought

2. goes

3. will help

4. will take

5. was