摘要：9 省to 的动词不定式 1) 情态动词 : 2) 使役动词 let, have, make: 3) 感官动词 see, watch, look at, notice , observe, hear, listen to, smell, feel, find 等后作宾补.省略to. 注意:在被动语态中则to 不能省掉. I saw him dance. =He was seen to dance. The boss made them work the whole night. =They were made to work the whole night. 4) would rather.had better: 5) Why- / why not-: 6) help 可带to.也可不带to, help sb but和except:but前是动词do时.后面出现的动词用不带to的动词不定式. 8) 由and, or和than连接的两个不定式.第二个to 可以省去: 9) 通常在discover, imagine, suppose, think, understand等词后.可以省去to be: He is supposed nice. 他应该是个好人. 举例: He wants to move to France and marry the girl. He wants to do nothing but go out. 比较: He wants to do nothing but go out. He wants to believe anything but to take the medicine. 典型例题 1) ---- I usually go there by train. ---- Why not by boat for a change? A. to try going B. trying to go C. to try and go D. try going 答案:D. why not 后面接不带to 的不定式.因此选D. 2) Paul doesn't have to be made . He always works hard. A. learn B. to learn C. learned D. learning 答案:B. make后接不带to 的动词不定式.当其用于被动时.to 不可省略.
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翻译下列句子。
1. 你的作文需要修改。(动词-mg形式作宾语)
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2. 学习有关语言的知识比使用语言容易。(动词-ing形式作主语)
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3. 我们应该尽力增强我们的体质。(build up)
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4. 好的习惯是成功的关键。(lead to)
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5. 我们把书放进书柜的目的是不沾上灰尘。(keep... free from)
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6. 我们会议的重点是妇女权利问题。(focus)
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7. 她设法降低她的体重。(reduce)
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8. 对人们说的话我不会作评论。(comment)
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9. 你是最后一个通过驾驶执照考试的人。(the last+动词不定式)
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10. 作无益的后悔是没有用的。(it作形式主语)
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2. 学习有关语言的知识比使用语言容易。(动词-ing形式作主语)
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3. 我们应该尽力增强我们的体质。(build up)
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4. 好的习惯是成功的关键。(lead to)
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5. 我们把书放进书柜的目的是不沾上灰尘。(keep... free from)
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6. 我们会议的重点是妇女权利问题。(focus)
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7. 她设法降低她的体重。(reduce)
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8. 对人们说的话我不会作评论。(comment)
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9. 你是最后一个通过驾驶执照考试的人。(the last+动词不定式)
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10. 作无益的后悔是没有用的。(it作形式主语)
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