Помогите пожалуйста, сделайте 6 и 7 номер прошу вас

Ex6
1.were you doing, I was playing
2.was talking
3.was studying
4.were talking, was talking
5.was he living,
6.was sitting
7.were doing
8.was saying
9.was learning
10.was practising
11.was working
12.were bathing, were playing
13.was working
14.was going
15.was doing

ex7
1.I had done...
2.He hadn't taken...
3.She had gone...
4.I hadn't seen...
5.I had never...
6.She had fallen...
7.They had just...