8. having taken Sue's calculator

9. Henry of having taken his pencil

10. on seeing the manager

11. is easy

12. went to the cinema, he had bought the ticket

13. exciting to read his books

14. had eaten breakfast, she went to work

15. me to take a holiday

16. The last time we saw each other was many years ago

17. Were I to have a lot of money, I would travel around the world

18. The boy is thought to have stolen the bag

19. He finds it difficult to learn Math

20. They suggested going out for dinner

II

1. me to write to her soon

2. the boy to spend more time learning to write

3. Linda to have dinner with them that night

4. the boys against leaning their bicycles against his windows

5. David to leave that space clean

6. to wait for me