32. You know the man who sat next to me at Nam’s birthday party last night, don’t you?

33. Minh spends 2 hours doing his homework every day.

34. Because it rained heavily , we were late for to school

35. We used to be made to clean the house by my mother.

36. I haven’t spoken to her for two years.

37. It is interesting to go swimming in the river in the summer.

32.Do you know the man who sat next to me at Nam's birthday party last night ?

->You know the man who sat next to me at Nam's birthday party last night, don't you?

33. It take Minh 2 Hours to do his homework everyday 

->Minh spends 2 hours to doing his homework everyday 

34.We were late for school because of the heavy rain

->Because it rained heavily, we were late for school

35.My mother used to make us clean the house

->We used to be made to clean the house by my mother

36.It's two years since i last spoken to her

-> I haven't  spoken to her for two years

37.Going swimming in the river in the summer is interesting 

->It is interesting to go swimming in the river in the summer.