1. After (walk) _________three hours we stopped (rest) ___________and let the others (catch) ______________up with us.

2. Your windows need (clean) ______________.Would you like me (do) ___________them for you.

3. It is no use (wait) _____________________him.

4. She like her children (go) _____________to the dentist every six months.

5. He wore glasses (avoid) (be) _____________________recognized.

6. He tried (explain) _____________________but she refused (listen) _____________________.

7.

8. I am beginning (understand) _____________________what you mean.

9. Before (give) _______________evidence you must swear (speak) ___________________the truth.

10. I regret (inform) _____________________you that your application has been refused.

11. I advise you (start) _____________________ (look) _____________________for a flat at once.

12. His doctor advised him (give) _____________________up (jog) _____________________.

13. Would you mind (show) _______________me how (work) _____________________the lift.

14. (Lie) _____________on the beach is much more pleasant than (sit) _____________in the office.

15. He wanted (see) _____________________the house where the president was born.

16. If you go on (let) _____________________your dog (chase) _____________________cars he will end by (be) _____________________run over.

17. He decided (disguise) __________________ himself by (dress) _______________as a women.

18. Some people seem (have) __________the passion for (write) _____________to the newspapers.

19. After (hear) _____________the conditions I decided (not enter) __________for the competition.

20. He hates (answer) the phone, and very often just lets it (ring).