Тренировочные упражнения по английскому языку ** употребление грамматических времен Past...

Question

Тренировочные упражнения по английскому языку на употребление грамматических времен Past Simple и Past Continuous.

Упражнения - 1.
1. When I (to come) home, my little sister (to sleep).
2. They (not to sleep) at nine o'clock yesterday.
3. When mother (to come) home, I (to do) my homework.
4. I (to do) my homework yesterday.
5. When mother (to come) home, the children (to play) on the carpet.
6. She (not to play) the piano at four o'clock yesterday. She (to read) a book.

Помогите

Answer 1

When I came home, my little sister was sleeping.
They weren't sleeping at nine o'clock yesterday.
I did my homework yesterday .
When my mother came came home, I was doing homework.
When my mother came home, the children were playing on the carpet.
She wasn't playing the piano at four o'clock yesterday. She was reading a book.