Предложения в Past Continuous: 1 положительное 5 отрицательных 5 вопросительных

Утвердительное:
I was playing the piano at 5 oclock yesterday.
5 отрицательных:
1. I wasnt playing the piano at 5 oclock yesterday.
2. He wasnt doing his homework from 7 till 9 oclock yesterday.
3. We werent doing crosswords at 4 oclock yesterday.
4. She wasnt going to school when I saw her yesterday.
5. I wasnt watching TV while my mum was cooking dinner.
5 вопросительных:
1. Were you doing your homework while I was playing with our kitten?
2. Was she going to school when he saw her yesterday?
3. Was he watching television when I returned home?
4. Were they arguing when I was washing the dishes?
5. Was she crying when I was sleeping?