32. It be + 一段时间+ before从句 好久 就 该结构中be可以换用其他半系动词,也可以用将来时。
It was some time before he could speak.过了好一会以后他才说出话来。
It was not long before I realized my mistake.不久我就意识到了我的错误。
It may be many years before we meet again.我们可能要好多年以后才能见面。
It will be a long time before we finish this dictionary.我们要用很长时间才能完成这本词典。
㈡固定习语句型
此类句型颇多,现就高中出现的列举一二:
33. It / That (all) depends. 要看情况而定
--- Can you come to the party tonight? --- It all depends when I finish my paper.
34. Its /Thats too bad + (that)从句. 太不幸了;太可惜了;真糟糕
It is too bad Jack doesnt know German better.真可惜杰克的德语没有学得更好一些。
35. When / If it comes / came to the point, . 到了紧要关头;到采取行动或作出决定的时候
When it came to the point, he refused to help. 到了紧要关头时,他却拒绝援助。 一、 It作形式主语的句型
为使句子平衡,往往把it置于句首作形式主语,而把真正的主语(通常是不定式短语、动名词短语或主语从句)移至句末。It 作形式主语的句型有:
【高三英语语法复习:it句型总结】相关文章:
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2016-02-29
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