Exercise 2 Đổi ra câu bị động 31. John collected money. → …………………………………………………………………. 32. Anna opened the window. → …………………………………………………………………. 33. We did our homework. → …………………………………………………………………. 34. I asked a question. → …………………………………………………………………. 35. He cut out the picture. → …………………………………………………………………. 36. The sheep ate a lot of grass → …………………………………………………………………. 37. We did not clean our rooms. → …………………………………………………………………. 38. William did not repair the car . → …………………………………………………………………. 39. Did Sue draw this circle? → …………………………………………………………………. 40. Did you feed the dog? → ………………………………………………………………….

31. The money was collected by John.

32. The window was opened by Anna.

33. Our homework was done.

34. A question was asked by me.

35. The picture was cut out by him.

36. A lot of grass was eaten by the sheep.

37. Our rooms were not cleaned by us.

38. The car was not repaired by William.

39. Was this circle drawn by Sue?

40. Was the dog fed?

31.  Money is collected by John

32. The window is opened by Anna

33. Our homework is done by us

34. A question is asked by me

35. The picture is cut out by him

36. A lot of grass are eaten by the sheep 

37. Our rooms aren't cleaned by us

38. The car isn't repaired by Wiliam

39. Is this circle drawn by Sue?

40. Is the dog fed by you?