Lý thuyết và bài tập Unit 9 môn Tiếng Anh Lớp 8 (Sách Thí điểm)

I.Change the following sentences into the passive voice. (chuyển sang câu bị động)
1. People spend a lot of money on advertising every day.
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2. Marry is cutting the cake with a sharp knife.
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3. The police haven’t found the murderer yet.
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4. They sold one of her paintings at $1,000.
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5. Tom was writing two poems.
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6. They will hold the meeting before the May Day
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7. The chief engineer was instructing all the workers of the plan. 
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8. The boys broke the window and took away some pictures.
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9. The teacher is going to tell a story.
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10. They may use this room for the classroom.
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11. You mustn’t use the machine after 5.30 p.m.
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12. After class, one of the students always erases the chalk board.
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13. She often takes her dog for a walk.
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14. Nobody has ever treated me with such kindness.
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15. No one believes this story.
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16. They use milk for making butter and cheese.
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II/ Change the following sentences from active into passive form.
Yes – No questions.
Do they teach English here?
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Will you invite her to your wedding party?
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Did the teacher give some exercise?
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Is she going to write a poem?
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Have they changed the window of the laboratory?
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Is she making big cake for the party?
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Has Tom finished the work?
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Are the police making inquires about the thief? 
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Must we finish the test before ten?
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Will buses bring the children home?
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Wh – question:
11. When will you do the work?
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12. How many days did she spend finishing the work?
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13. How do you spend this amount of money?
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14. What books are people reading this year?
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15. How did the police find the lost man?
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16. Who looked after the children for you?
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17. How long have they waited for the doctor?
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18. What time can the boys hand in their paper?
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19. Why didn’t they help him?
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20. Who are they keeping in the kitchen?
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III. Chuyển sang câu bị động.
1.If you don’t break the rules, the teacher won’t punish you.
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2. If Tom threw a party, I would refuse his invitation.
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3. If the teacher had corrected the exercises, the students wouldn’t have made many mistakes.
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4. If Mary didn’t accept his proposal, he might sell his house.
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5. She won’t buy this car if it doesn’t appear any new features.
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6. John sells his house because ghosts haunt it.
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THE END
PAST PERFECT & PAST SIMPLE