Помогите с английским , не могу сделать . Буду благодарна!

Put the verbs in brackets into the Past Continuous form:

1. I ...................(to go) to the cinema when you met my.
2. We ...................(to go) our homework the whole evening yesterday .
3. They ...................(not to play) the piano at 4 o'clock yesterday .
4. He .....................(not to write) a letter to his friend from 5 till 6 yesterday .
5. What .... you ..............(to do) when your mum came home ?
6. ..... she ........ .............(to sleep) the whole day yesterday ?