1. I have not visited the city museum for 5 years

2. If Nam hadn't been Ill yesterday, he would have gone to the party

3. It was not until 7 o'clock did my father come

4. Thousands of animals have been killed in the forest

5. Laura told Lewis she had just seen his mother that morning

6. Jill isn't on the phone, which makes it difficult to contact her

7. Although he was ill, he managed to come to school

8. The man who lives next door is a famous doctor

9. She went to university because she wanted to study engineering

10. The sea was so rough that the children couldn't go swimming

`=>` 

`1` . I haven't visited the city museum for 5 years.

`2` . If Nam hadn't been ill ; he would have gone to the party.

`3` . It wasn't until 7o'clock that my father came home.

`4` . Thousands of animals have been killed in the forest fire.

`5` . Laura told Lewis that she had just seen his mother that morning.

`6` . Jill isn't on the phone which makes it difficult to contact her.

`7` . Although he was ill , he managed to come to school

`8` . The man who lives next door is a famous doctor.

`9` .She went to university in order to study engineering.

`10` . The sea was so rough that the children couldn't go swimming.