1. Tom cleaned his room yesterday.
Did Tom clean his room yesterday?
Tom didn't clean his room yesterday.
2. Nina washed dishes last week.
Did Nina wash dishes last week?
Nina didn't wash dishes last week.
3. Ann painted pictures yesterday.
Did Ann paint pictures yesterday?
Ann didn't paint pictures yesterday.
4. Fred cooked breakfast for his family last Sunday.
Did Fred cook breakfast for his family last Sunday?
Fred didn't cook breakfast for his family last Sunday.
5. Dan listened to music at school.
Did Dan listen to music at school?
Dan didn't listen to music at school.
1. I think, we won't be able to arrive in a week, as planned.
2. You will really have to work hard if you want to pass the examination.
3. Do you have to pay to get into the library?
4. Is smoking allowed here?
5. According to the project, roses are to be planted round the pond.
6. I had to wait for her at the station last night.
7. Will he be able to translate this article tonight?
8. Yesterday she was allowed to stay at home.
9. You don't have to change the whole text as the beginning is all right.
10. Yesterday it wasn't allowed to take extra weight at the airport, so we had to pay extra charge.
Объяснение: