31. His sister ______ (give) a car for her twentieth birthday next year.
32. I ______ (read) the book you lent me, so you can have it back now.
33. He ______ (elect) president of the football club at their last meeting.
34. My room ______ (not clean) yet.
35. The house was very quiet when I got home. Everybody ______ (go) to bed.
36. Many books ______ (write) about the Second World War.
37. The name of the new town ______ (choose) by the committee tomorrow.
38. Present day problems demand that we ______ (be) ready for any emergency.
39. You ______ (not go) there because he did not expect you
.40. You ______ (walk) too fast. That’s why you are tired.