Нужно решить 5 и 6 номер. Заранее спасибо, даю 17 балов

1)has been raining

2)has been sleeping

3) how long has you been studying

4)has been trying

5) hasn't been working

1) isn't he?

2) couldn't I?

3) has she?

4) doesn't she?

5) aren't we?

6) didn't he?

7) isn't he?