11. He brushed his teeth, washed and went to bed.
12. At six o'clock Anne was still asleep.
13. She played the piano and he sang.
14. The children were already asleep when their parents returned.
15. She has been a poet for two weeks now, when she realized that he was too small.
16. When he came, we had already discussed everything.
17. They took the children to kindergarten before the rain started.
18. Before going to work in Japan, Mark studied Japanese for five years.
19. By seven o'clock the rain had stopped and they decided to go for a walk.
20. When Mary came home, Carrie was back.
She isn't talking about her new job.
2. Is he sending a message?
He isn't sending a message.
3. Are students preparing for the session?
The students are not preparing for the session
4. Are my parents visiting their friends today?
My parents are not visiting my friends today.
5. Is she complaining about her children?
She isn't complaining about her children.
6. Am I calling my boyfriend?
I'm not calling my boyfriend
7. Is he shouting at his secretary?
He's not shouting at his secretary
8. Are we waiting for the bus?
We are not waiting for the bus.
9. Are they talking about ...?
They are not talking about ...
10. Is she quarrelling ...?
She is not quarrelling ...
11. Are we discussing ...?
We are not discussing ...
12. Is he singing about love?
He is not singing abt love
13. Is my friend learning ...?
My friend isn't learning
14. Is he serving ...?
He is not serving ...
15. Are my children resting ...?
My children aren't resting ...
Объяснение:
present continuous
I am + глагол с окончанием -ing
She/He/It is + глагол с окончанием -ing
We/You/They are + глагол с окончанием -ing
при вопросительной форме глагол to be (am, is, are) меняется местами с предметом