湖北专升本英语考试中语法填空、翻译填空、作文等板块都离不开句型结构。句型结构内含超多语法内容，学会了这些，可以融会贯通解答各类题型。
句型 5情态动词+动词不定式完成结构
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/可以做某事(实际没有发生;含轻微的责备语气)
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
用法 although 位于句首;though 位于句首或句中;as位于句中相当于 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:
Although/Though I'm young,I already know whatcareer I want to follow.
Young as/though I am, I already know what career Iwant to follow.
我虽然年轻,但我已经明白我应该追随什么样的事业。
Although/Though I respect him very much, I cannotagree with his idea.
Much as/though I respect him, I cannot agree withhis idea.
虽然我很尊重他，但是我不同意他的观点，Although/Though he is a child, he knows a lot of Chi-nese 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，却认识许多汉字。
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。
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。
Strange as it may seem,nobody was iniured in theaccident.
这次意外虽然显得不可思议,却没有人受伤。
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。
Object as you may, I will go.
纵使你反对，我也要去。
句型 7 before 的特殊用法(1)--没来得及……就…
The roof fell before he had time to dash into the roomto save his baby.
他还没有来得及冲进房间救孩子，房顶就塌了
He ran off before I could stop him.
我还没有来得及阻止，他已经跑了。
To my great disappointment, my favorite singer leftthe concert before I could have a word with her.让我非常失望的是，我还没有来得及和我最喜欢的歌手打招呼,她就已经离开了。
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