Question

5. My brother (not to play) tennis yesterday. He (to play) tennis the day before yesterday.
6. My sister (not to play) the piano at four o'clock yesterday. She (to play) the piano the whole evening. 7. When I came into the kitchen, mother (to cook). 8. She (to cook) the whole day yesterday.
9. We (to wash) the floor in our flat yesterday.
10. We (to wash) the floor in our flat from three till four yesterday.
11. You (to do) your homework yesterday?
12. You (to do) your homework from eight till ten yesterday?
13. Why she (to sleep) at seven o'clock yesterday?
14. He (to sit) at the table the whole evening yesterday.
15. What Nick (to do) when you came to his place?
16. When I (to come) home, my little sister (to sleep).
17. When Nick (to come) home, his brother (to play) with his toys.
18. When mother (to come) home, I (to do) my homework.
19. When father (to come) home, Pete (to sleep).
20. When mother (to come) home, the children (to play) on the carpet.
21. When I (to get) up, my mother and father (to drink) tea.
22. When I (to come) to my friend's place, he (to watch) TV.
23. When I (to see) my friends, they (to play) football.
24. When I (to open) the door, the cat (to sit) on the table.

Answer 1

My brother did not play tennis yesterday. He played tennis the day before yesterday.
My sister did not play the piano at four o'clock yesterday. She played the piano the whole evening.
When I came into the kitchen, mother was cooking.
She cooked the whole day yesterday.
We washed the floor in our flat yesterday.
We washed the floor in our flat from three till four yesterday.
Did you do your homework yesterday?
Did you do your homework from eight till ten yesterday?
Why was she sleeping at seven o'clock yesterday?
He sat at the table the whole evening yesterday.
What was Nick doing when you came to his place?
When I came home, my little sister was sleeping.
When Nick came home, his brother was playing with his toys.
When mother came home, I was doing my homework.
When father came home, Pete was sleeping.
When mother came home, the children were playing on the carpet.
When I got up, my mother and father were drinking tea.
When I came to my friend's place, he was watching TV.
When I saw my friends, they were playing football.
When I opened the door, the cat was sitting on the table.