V12. It rarely V13. I never
W14. Susan usually
(do)
in summer. (rain)
before 7.30. (wake up)
her homework in her bedroom.
15. The Earth
16. They
around the Sun. (go)
difficulties at the moment. (have)
garbage on the ground in Medellín.
when I
a
17. We rarely
(see)
18. The phone always
shower. (ring / take)
N19. John
V20. David
an e-mail at the moment. (write)
his hair every month. (cut)​

1 She is cooking dinner right now.
Dinner is being cooked right now.
2 She always cooks dinner.
Dinner is always cooked.
3 She has already cooked dinner.
Dinner has already been cooked.
4. She cooked dinner at 3 o'clock.
Dinner was cooked at 3 o'clock.
5 She has been cooking dinner since 2 o'clock.
Dinner has been being cooked since 2 o'clock.
6 She had cooked dinner by 3 o'clock.
Dinner had been cooked by 3 o'clock.
7 She will cook dinner in 2 hours.
Dinner will be cooked in 2 hours.
8 She will have cooked dinner by 3 o'clock.
Dinner will have been cooked by 3 o'clock.
9 She will be cooking dinner from 2 till 3.
Dinner will be being cooked from 2 till 3.
10 She must cook dinner.
Dinner must be cooked.

1. I had been packing my things for an hour and a half when the taxi arrived.
2. He had been working in the laboratory for two years when he got promoted. 3. They had been quarrelling for a long time when she burst into tears (разревелась). 4. The children had been skating for an hour when the weather got worse. 5. He had been wearing this suit for a year when it got worn out. 6. My brother had been serving in the army for two years when he returned home. 7. I had been washing the dishes for a quarter of an hour when mom came home. 8. The detective had been investigating this case for a month when he solved it. 9. The boys had been watching television for three hours when the parents switched it off. 10. We had been discussing this incident for a week when we got bored.