31. People say that they bought this shop last year.
⇒ It is said they bought this shop last year.
⇒ They are said to have bought this shop last year.
32. "How much do you think it will cost?" he said to me.
⇒ He asked me how much I thought it would cost.
33. Mr.Brown's team has lost the game. He looks very sad.
⇒ Mr. Brown whose team has lost the game looks very sad.
34. 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?
35. It takes Minh 2 hours to do his homework every day.
⇒ Minh spends 2 hours doing his homework every day.
36. We were late for school because of the heavy rain.
⇒ Because it rained heavily, we were late for school.
37. My mother used to make us clean the house.
⇒ We used to be made to clean the house by my mother.
38. "I'm working in a restaurant, and don't care much for it." she said
⇒ She said (that) she was working in a restaurant and didn't care much for it.
39. It’s two years since I last spoke to her.
⇒ I haven’t haven's spoken to her for 2 years.
40. Going swimming in the river in the summer is interesting.
⇒ It is interesting to go swimming in the river in the summer.
~Good luck~