1 . 单句改错
1. When I was young, I daren’t to swim in the swimming pool alone.
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2. In my opinion, students don’t need pay more attention to their appearance.
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3. When Harry was at college, he will go to the reading room after supper every day.
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4. Martin hasn’t got in touch with me for ages. He mustn’t have got my new cellphone number.
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5. It was an easy test and he would have passed, but he didn’t.
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6. What is required in the regulations is that you mustn’t tell other people the password of your e-mail account.
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7. Might you have a good time.
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8. —Must I tell him the truth？
—No, you mustn’t.
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9. Engines should not run without lubricants(润滑油).
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10. If you make mistakes again, you should not take part in the match.
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2 . 单句改错
1. It has been announced that candidates may remain in their seats until all the papers have been collected.
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2. When I read the story last night, I wouldn’t help thinking of my days in the countryside.
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3. You should be tired after the long trip, aren’t you?
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4. Tom, you needn’t leave all your clothes on the floor like this!
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5. You can’t imagine that a well-educated gentleman might make such a silly mistake.
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6. —Must I pass the book on to Mary when I finish it?
—No, you can’t.
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