高三英语知识点.docx

2017年高考英语必考知识点（一）
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 。
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。
I'd rather that I hadn't seen her yesterday我情愿昨天没有看到她。
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4」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） （shouldffi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 。
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 "当时宁愿彳了某事"（实际没有做过）;否定式would rather not have doneft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位于旬 中 =though。它 的词序是把句中强调的形容词