Пожалуйста помогите упр 3,4

Question

Пожалуйста помогите упр 3,4

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Answer 1

номер 3

1. could

2. couldn't

3. can

4. could

5. couldn't

6. can't

номер 4

1) can

2) couldn't

3) can't

4) couldn't

5) could, can't

6) could

7) can, can't

8) can't

9) couldn't

10) can

вроде так