主语从句精讲精练讲义--高三英语一轮复习.docxVIP

主语从句（名词/代词做主语）（不定式做主语） （名词/代词做主语）（不定式做主语） （动名词做主语）. （名词/代词做主语）（不定式做主语） （名词/代词做主语）（不定式做主语） （动名词做主语）. （句子做主语） LTom/He is a middle school student. 2,To see is to believe. 3.Saying is one thing, and doing is another. 4.What surprised me most is his honesty . 主语从句：在句子中充当主语的句子叫主语从句。 一、引导定语从句的连接词： . that无含义，在句中不做成分,一般不可以省略。 That you will win the game seems impossible. That she survived the accident is a miracle. .whcther有含义（是否），在句中不做成分,一?般不可以省略。 Whether wc will hold a part、in the open air tomorrow depends on the weather. . who, whose, whom, which, what, whoever, whomever, whichever, whatever 其连接代词在句中起名词 性作用，担当一定成分（主语，宾语，表语）. What we cant get seems better than what we have .（宾语）What seemed strange before now appears quite normal.（主语） Whatever parents do is for their children.（宾语）Whoever breaks the law should be punished.（主语） .when, where, why, how连接副词有含义，在句中作状语。 Where they will first meet is a secret. When they will come hasnt been made public. Wh、he left s。studdenh is not known to any of us. A在下面情况下经常用it作形式主语，真正的主语从句放在句尾。 a It is +名词+从句It is a fact that...事实是It is a question that是个问题 It is no wonder that...难怪…It is common knowledge that...是常识 It is common knowledge that the whale is not a fish. It is no surprise that Bob won the game. It was a question whether he should get married. b It is +形容词+从句It is necessary that... 有必要 It is clear that...很清楚It is vital that...至关重要的是 It is important that...重要的是It is likely that...很有可能 It is essential that...完全有必要的是It is obvious that we can not go on like this. It is natural that they have different views. It is necessary that you (should) master the computer. c It is +过去分词+从句It is said /reported/claimed that...据说/据报道 It is thought/believed/supposed that …人们认为It has been decided that... 已决定 It is estimated that…据估计It is (university) acknowledged that... 公认 It is (generally) considered that....普遍认为It is (well) known that…众所周知.? It was reported that the road to the city had been closed. It is unknown when and where the meeting will b