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核心考点 语法专题十二 名词性从句 -*- 考点一 考点二 考点三 考点四 考点五 考点六 考点七 -*- 考点一 考点二 考点三 考点四 考点五 考点六 考点七 考点二 主语从句 1.主语从句在复合句中充当主语,大多数主语从句都可以用it做形式主语而把主语从句置于句尾。it做形式主语后接that引导的主语从句时,that不可以省略。what引导的主语从句不能用it做形式主语代替。 (2015·北京)How we understand things has a lot to do with what we feel. 我们理解事物的方式与我们的感受有很大关系。 (2017·大纲全国)Exactly when the potato was introduced into Europe is uncertain,but it was probably around 1565. 马铃薯具体是在什么时候被引入欧洲的并不确定,但有可能是在1565年左右。 -*- 考点一 考点二 考点三 考点四 考点五 考点六 考点七 (2017·北京)What makes the book so extraordinary is the creative imagination of the writer. 使这本书非同寻常的是这位作家创造性的想象力。 That she will succeed is certain.→It is certain that she will succeed. 她肯定会成功。 -*- 考点一 考点二 考点三 考点四 考点五 考点六 考点七 2.it做形式主语的常见句型 (1)It is+名词(no wonder,an honor,a good thing,a pity,no surprise等)+从句。 It is no surprise that we will win the match. (2)It is+形容词(obvious,true,natural,surprising,good,funny,possible,likely,certain等)+从句。 It is certain that he will come. (3)It is+过去分词(said,reported,thought,expected,decided,announced等)+从句。 It is said that Mr.Smith has arrived. -*- 考点一 考点二 考点三 考点四 考点五 考点六 考点七 考点三 宾语从句 1.动词和介词后面都可以跟宾语从句。大多数动词(hope,tell,say等)后可以跟宾语从句。介词后只能跟wh-类连接词引导的宾语从句。 (2015·重庆)We must find out when Karl is coming,so we can book a room for him. 我们必须弄明白卡尔会在什么时候到来,这样我们就可以为他订房间了。 | 
