Вставьте глагол to be в Present, Past или Future Simple.

7 was your father at work yesterday 8. My sister was ill last week. 9. She isn't ill now. 10. Yesterday we were at the theatre. 11. Where is your mother now — She is in the kitchen. 12. Where were you yesterday — I was at the cinema. 13. When I come home tomorrow, all my family will be at home. 14Is your little sister in bed now — Yes, she is15Will you be at school tomorrow — Yes I will16. When my granny was young, she was an actress. He will be in St. Petersburg to­morrow. 19. Where are your books now -- They are in my bag.

это очень просто.
8. My sister was ill last week.
Last week - прошлая неделя. Следовательно, прошедшее время, Past. Бери словарь и таблицу грамматики, не знать того, что вы в школе сейчас изучаете, ужасно.

1.My father USED TO BE a teacher.

2. He USED TO BE a pupil twenty years ago.

3. I WANT TO BE a doctor when I grow up.

4.My sister DID not WANT TO BE at home tomorrow.

5. She WANTS TO BE at school tomorrow.

6. ARE you WILLING TO BE at home tomorrow?

7....your father at work yesterday?

8. My sister was supposed to be ill last week.

9. She … not ill now.

10. Yesterday we were supposed to be at the theatre.

11. Where is your mother now? — She was supposed to be in the
kitchen.
12. Where were you yesterday? — I expected you to be at the cinema.

13. When they come home tomorrow, all my family is supposed to be at home.

14. Did you put your little sister in bed now? — Yes, she was supposed to be in bed.

15. Will you be at school tomorrow? — Yes I am supposed to be at school.

16. When my granny used to be young, she used to be an actress.

17. My friend K is supposed to be in Moscow now.
18. He is supposed to be in St. Petersburg tomorrow.

19. Where are your books now?.-
They are supposed to be in my bag.