Тренировочные упражнения по британскому языку на употребление грамматических времен Past

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.

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