(
课件网) 名词性从句 1. His words are true. What he said is true. 2. The dog sensed something delicious nearby. The dog sensed that there was something delicious nearby. 3. These are his words. These are what he said. 4. My Chinese teacher, Mr. Wang, is a kind person. The news that the plane had crashed made us sad. 主语 主语从句 宾语 宾语从句 表语 表语从句 同位语 同位语从句 名词性从句 一、定义：名词性从句相当于名词，可分别作主句的主语、表语、宾语和同位语。因此，名词性从句可分为主语从句、表语从句、宾语从句和同位语从句。 二、连接词： 连词：that, whether, if,as if 连接代词：who, whom, whose, what, which; 连接副词：when, where, why, how; 在从句中不充当成分,that无词义。 有词义，在从句中担任主语，表语，定语或宾语。 有词义，在从句中担任状语。 whatever, whoever，whenever…也可以引导 1. 主语从句：从句在句中充当主语成分 1). That he will succeed is certain . 2) Whether he will go there is not known . 3) What he said is not true . 4) Where he hid the money is to be found out . 5) Whoever comes is welcome. 6) It’s certain that he will succeed . 7) How we can help the twins will be discussed at the meeting. 8)When they’ll start the project has not been decided yet. 主语从句的引导词有连词 that, whether; 连接代词who, what, which;连接副词when, where, how, why等 三、用法： 注意：当 that 引导主语从句时，习惯上多以 it 为形式主语， 而把主语从句后移。 e.g.: It’s a shame that you can’t come to the party. It’s strange that he didn’t come yesterday. 可用 it 作形式主语的从句结构常有： It’s a pity/shame/fact that...; It’s no wonder that..;(怪不得…) 2. It’s natural/possible/strange….; 3. It’s not known /decided that….; It’s said/reported that….; 4. It seems/happened that….; 那支队会赢得比赛还不知道。 他们何时开会还不知道。 他是否会到这里来是很重要的。 真遗憾，你犯下这样愚蠢的错误。 Which team will win the match is still unknown. When they will hold the meeting hasn’t been decided yet. Whether he will come here is very important. It’s a pity that you have made such a foolish mistake. 2. 宾语从句：从句在句中充当宾语成分（ 可以作谓语动词、介词、不定式等非谓语动词的宾语） 连词：that, whether，if （ that 常可省略） who, what, which, whoever, whatever, when where why how 1). They know that the habit will kill them. 2).It all depends on whether they will support us . 3) He asked how much I paid for the violin. 4).He made it clear to the public that he did an important and necessary job . 5).I find it necessary that we should do the homework. 1).whether和if都可以引导宾语从句 a.当whether后紧跟or not时,不用if. eg: I don’t know whether or not I will stay. b.介词后面的宾语从句不能用if. e.g.: I worry about whether I hurt her feeling. 注意 2).that在宾语从句中的省略与保留 a.在主+谓+it(形式宾语)+宾补+that 从句(真正宾语) 的句型中不省略. eg: We must make it clear that we mean what we say. b.由连词and连接的两个由that引导 的宾语从句中,第二个that 不省略. eg: He told me（ that） he would come and that he would come on ti ... ...
