Câu tường thuật - dạng Wh-questions 

S + asked / wanted to know / wondered + (O) +WH + S+ V (lùi thì)

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can ⇒ could 

HTD ⇒ QKD

will ⇒ would

HTTD ⇒ QKTD 

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this ⇒ that 

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44. I asked my father how fat a UFO could travel.

45. The student asked his friend how many craters the moon had.

46. The pupils asked the teacher where they could find information about the solar system.

47. I asked my teacher what the weather was on Mars like.

48. Mai asked me what time the next train left.

49. Mai wondered why humans couldn't live on Mars.

50. Lan asked Nam how teachers would check attendance in the future.

51. The students wondered how the scientists observed the other planets.

52. Mary wanted to know what that novel was about.

53. They asked the organizer what time the party started.

54. John asked me what that word meant in English.

55. He asked why they went to Paris so often.

56. My friend asked me what planet I wanted to visit.

57. I asked Nick who his favourite actor was.

58. Ms. Linda asked John when he was having a video conference with other clubs.

59. I asked my mom when there would be a full moon.

60. The students wondered how people would travel to work in the future.

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