[高考英语必考知识点归纳]2017高考英语必考知识点：重点语句40条集锦（1-10）

句型1
　　would rather that somebody did…"宁愿……;更愿意……"(表示现在或将来的愿望)
　　would rather that somebody had done…"宁愿……;更愿意……"(表示过去的愿望)
　　[例句]
　　I'd rather you posted the letter right now.
　　我想让你现在去寄信。
　　I'd rather you were not a celebrated actor. In that case, we could spend more time together.
　　我到情愿你不是个知名演员，这样我们可以有更多的时间在一起。
　　句型2
　　as if/though+主语+did/had done…好像……(表示现在或将来的情况用过去时;表示过去的情况用过去完成时)[参考句型4]
　　[例句]
　　Alan talked about Rome as if he had been there
　　Alan谈起罗马来就好像他去过那里似的。
　　句型3
　　"wish +宾语从句"，表示不大 可能实现的愿望
　　表示现在的愿望：主语+过去时;
　　表示过去的愿望：主语+had done;
　　表示将来的愿望：主语+would/could do
　　[例句]
　　How I wish we students had more free time to relax ourselves! 我们学生多么希望有更多的自由时间放松自己!
　　句型4
　　It's high/about time that somebody did (should do) (should通常不省略) …早就该……
　　[例句]
　　It's high time that we did something to improve our environment. 该是我们为环保做些事情了。
　　I think it's high time that she made up her mind. 我想她该拿定主意了。
　　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。

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