нужно вставить либо might be, must be или can't be
1) the young man __ a criminal
2) The young man __ a suspect
3)The young man __ scared
4) The TV __ evidence from a burglary
5) It __ the old man's TV
6) It __ the police's TV

Оставила только правильные варианты, остальные вытерла25. She …… a lecture of a famous professor on Wednesday so she can`t be here. b) is attending 

26. We`re not making the cakes ourselves. We …… .

 d) are having them made

27. I`d rather …… to bed earlier last night.

a) have gone 

28. The judge asked the witness if …… anything to add. 

 b) he had 

29. I …… you if she`d left a message for you.

d) would have told 

30. I …… you have no idea what I`m talking about.

 b) see

31. The new bridge …… by next August according to the City Council.

 d) will have been built

32. When Jill was little, she …… her summer holidays with her granny.

c) used to spend 

33. I feel so unhappy. I wish we …… to this city.

 d) hadn`t moved

"Past Perfect"
Had you worked? – Ты работал?
When had you written the letter? – Когда ты написал письмо?
He had finished his work by five o'clock and went home.
When they arrived I had finished my work.
Peter had gone away when they reached the castle.
" Past Perfect Continuous".
Had you been working?
Had she been working?
I was very tired when I got home. I’d been working hard all day.
We’d been playing tennis for about half an hour when it started to rain heavily.
I was disappointed when I had to cancel my holiday. I’d been looking forward to it.