1. is made
2. sitting
3. we are being followed
4. to go
1. You aren't allowed to climb without a safety rope
2. If Nigel got satellite tv, he could watch the game.
3. You shouldn't walk home alone.
4. Susan asked if someone rang me an hour before.
6. Unless you have a reservation, you can't travel on this train.
7. Sue advised me to take the job.
8. It was such an easy exam question that we all got it right.
9. Despite being inexperienced, he got the job.
10. If you have finished your homework, you can come with them.
11. Would you like to go to the movie theater this evening?
12. It will take our bus half an hour to reach the city.
13. Speaking English to a foreigner is difficult for me.
14. My mother enjoys reading picture books.
15. She asked me if I liked sports.
16. I wish I could play the piano.
17. The coffee was too hot for me to drink.
18. Because it rained heavily, we couldn't keep on clearing the beach.