Как сейчас люди лечат зубы написать на

1. When the boy got to the village, it was getting dark and the wind was blowing.
2. When the boys met at last they he discovered that they had lost their interest in the collecting of stamps.
3. By the 2nd of October last year he had been studying English for a years.
4. Several weeks ago my uncle built a new house.
5. I was sitting at the table and writing when be came.
6. Did you have lessons every day last week?
7. He was resting in his room when his mother came.
8. After the boys had travelled in the Caucasus they decided to make a sea voyage.
9. Among the familiar names I discovered the name which had been filling my mind for several days.
10. When we entered the room Boris was sitting at the table he had been working at his report since early in the morning.
11. He was slowly moving on when he met his friend.
12. Yesterday the teacher told us a short story.
13. When our parents went to the theatre we were playing computer games.
14. Yesterday at 2 we were helping our grandparents.
15. By the end of the month they will have  finished all their work.
16. They had been waiting for their friend for 2 hours before he arrived.

1. Jenny has to do her homework after school. В данном случае глагол have в 3 лице и единственном числе переходит в has

2. Tom must walk his dog every day. Здесь есть указатель every day, значит, нужно использовать Present Simple. То есть просто walk, без окончания -s, потому что есть must

3. Could you pass me the sault, please? Здесь не нужна частица to.

4. He needn't go to school on sunday. После need, should, must, could  и тд глагол идет в Present Simple.

5. Should we buy a ticket? Do здесь не нужно, ведь есть уже should.

6. You must not park there. Как я уже упоминал, после must идет глагол в Present Simple.

7. She hasn't to go working every day. Здесь в значении "идти работать" - go working.