Ответ:

1)I am washing the floor when dad came to home

2) She was cutting her finger when she cooked soup

3)When I went out, it was raining cats and dogs

4)Mum came home at 3'oclock

5)Mum was reading a book from 6 to 8 pn yesterday

6)The children was sitting on the sofa and began to watch TV

7)I looked out of the window. It was raining and people hurrying along the street