2015年高考备考：高考英语必备句型20个汇总

　　句型5

　　情态动词+动词不定式完成结构的用法

　　could have done “本来可以……”(表示过去没有实现的可能)。

　　might have done “本来可能……;本来应该或可以做某事”(实际没有发生;含有轻微的责备语气。

　　should/ought to have done “本来该做某事”(而实际未做)

　　should not/ought not to have done “本来不该做”(实际却做过了，含有责备语气)

　　needn’t have done “本来不必做”(但是已经做过了)

　　would rather have done “当时宁愿做了某事”(实际没有做过);否定式would rather not have done表达相反意思，两者都有表示“后悔”之意。

　　句型6

　　as, though, although引导的让步状语从句。

　　[注意]although位于句首;though位于句首或句中;as位于句中=though。它的词序是把句中强调的形容词、副词、动词或名词放在连词前。[参考倒装结构] 请注意下列句式的变化：

　　[例句

　　1. Although/Though I’m young, I already know what career I want to follow.

　　→Young as/though I am, I already know what career I want to follow.

　　我虽然年轻，但我已经明白我应该追随什么样的事业。

　　2. Although/Though I respect him very much, I cannot agree with his idea.

　　→Much as/though I respect him, I cannot agree with his idea. 虽然我很尊重他，但是我不同意他的观点。

　　3. Although/Though he is a child, he knows a lot of Chinese characters.

　　→Child(省略冠词)as/though he is, he knows a lot of Chinese characters. 他虽然还是个孩子，却认识了许多汉字。

　　4. Although he tried, he couldn’t solve the problem.

　　→Try as he might, he couldn’t solve the problem. 尽管他努力了，但是他没有解决问题。

　　5. Although it is raining, I’m going out for a walk.

　　→Raining as it is, I’m going out for a walk. 天虽然在下雨，我还是要出去散步。

　　6. Strange as it may seem, nobody was injured in the accident. 这次意外虽然显得不可思议，却没有人受伤。

　　7. Much as I would like to help, I have a lot to do. 虽然我很想帮助你，但是我有很多事要做。

　　8. Object as you may, I will go. 纵使你反对，我也要去。

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