16. It isn`t worth to ask George to help.
17. Harry`s parents didn`t let him to buy a motorbike.
18. Susan asked David where she had left her sunglasses.
19. I was annoyed by the behaviour of John at the party.
20. I would have had go to the bank if you didn`t lend me the money.
21. Matthew took no notice of his doctor`s advice.
22. Sheila had to finish the accounts in addition to several letters.
23. Mark went swimming almost every day in his childhood in Australia.
24. Why don`t we go to the museum this afternoon?
25. Valerie had some difficulty with concentration on her book because of the noise.