$\text{22 If the air is pure, we will be healthy.}$

$\text{23 I wish I could speak English fluently.}$

$\text{24 They ask about the athlete who we are looking at the picture of.}$

$\text{25 If they aren't careless, they won't make a lot of mistakes.}$

$\text{26 I used to stay up late.}$

$\text{27 The classroom is being cleaned by the students.}$

$\text{28 I wish you could take part in our team.}$

$\text{29 A goal was scored in the 89th minute.}$

$\text{30 My car is being repaired at the garage.}$

$\text{31 When I arrived there, Jack had left the office.}$

$\text{32 Before Brian bought a new television, he had checked all prices.}$

$\text{33 Brenda, who I went on holiday with, is a friend.}$

$\text{34 This is Mr. Smith whose son, Bill, plays in our team.}$

$\text{35 John's flat is much large as mine.}$

$\text{36 I was promised a bicycle by my parents 2 days ago.}$

$\text{37 Because of the heavy rain, we can't go on a picnic.}$

$\text{38 Because he is old, he is easy to get tired of.}$

$\text{39 I started learning English 4 years ago.}$

$\text{40 The computer can be used.}$

$\text{41 I don't know the woman whose daughter is working with her.}$

22 If the air in this city is pure, we will be healthy.

23 I wish I could speak English fluently.

24 They ask about the athletes whose pictures we are looking at.

25 If they weren't careless, they wouldn't make a lot of mistakes.

26 I used to stay up late.

27 The classrooms are cleaned by the students.

28 I wish you could take part in our tour.

29 A goal was scored in the 89th minute.

30 My car is repaired at the garage.

31 When I arrived at the office, Jack had left.

32 Before buying a new television, Brian checked all the priecs.

33 Brenda, whom I went on holiday with is a friend.

34 This is Mr Smith ,whose son Bill plays in our team.

35 John's flat is bigger than mine in the same block.

36 I was promised a bicycle two days ago.

37 Because of raning heavily, we can't go pinic.

38 Because he is old, so he easy to get tired.

39 I started study English for 4 years.

40 The computers can be used by everyone.

41 I don't know the woman whose daughter is working here.