I/ Chuyển các câu sau sang thể bị động
1. I have heard her sing this song several times.
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2. The detective looked the man putting the jewerlry in this bag.
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II. Causative forms:
1.Toshico had a mechanic repair her car.
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2. Elen got Marvin type her paper.
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3. We got them paint our house last week
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4. Maria is having Rose cut her hair tomorrow.
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5. My sister has had them make a new dress recently.
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III/ Chuyển các câu sau sang thể chủ động
1. Is mathematics taught in this school?
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2. Apples are said to be good for our health
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3. They couldn't be found anywhere.
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