21. I am looking forward to seeing you at christmas.
22. If he hadn't spent a lot of time playing games, he would have passed the exam.
23. Do you object to working on sunday?
24. There are 6 letters I have to write a day.
25. He dislikes being laughed at his funny face.
26. Smoking is not allowed in the hall.
27. I regret not going on holiday with my friend.
28. No longer does Tom's father smoke cigarettes.
29. Rarely does this baby cry during the night.
30. Not until 1982 did people discover Aids.