名词性从句主语从句宾语从句表语从句同位语从句 你竟然喜欢她很奇怪.That you like him is strange.我们所需要的就是钱.What we need is money.我们能不能去还是一个问题.Whether we can go is still a question.他们什么时候回来还不知道.When they will start is not known yet. It is + adj. + that clause . It is said/reported/known/hoped/informed …+that 从句It is said that he will come to China next year.形式主语: It is + adj. + that clause . It is said/reported/known/hoped/informed …+that 从句形式主语: The news that our team has won the match is true.同位语从句有时可以不紧跟在它所说明的名词后面, 而是被别的词隔开。例如:He got the news from Mary that the sports meeting was put off. 同位语从句一般跟在名 词fact, news,promise, truth, belief, thought, idea,answer, information, knowledge, doubthope, law, opinion, plan, suggestion后面, 用以说明或解释前面的名词. 同位语从句引导词that只起连接的作用不充当句子成分定语从句引导词that除了引导句子外还充当一定的句子成分(主语或宾语)同位语从句与前面的名词是同位关系表示这个名词的内容同位语从句的that 不能省略定语从句对先行词起修饰作用, 表示“…的”而定语从句中的关系代词that, 当其在从句中做宾语时, 常省略一.同位语从句注意点 2. 在have no idea 之后常用wh-引导同位语从句.I have no idea where he has gone.I have no idea when he did it.I have no idea what he did. 1. 由连词that 引导, that 常可省略。I told him (that) I would come back soon.(1)并列第二个以上的宾语从句,第二个that 是不可以省略的.He said (that) he had finished reading this novel and that he would borrow another one. 只能用whether的情况:1) 在不定式的前面I can’ t decide if to tell him the news whether2) 在介词后引导宾语从句时They’ re talking about3) 宾语从句中紧接or not时。I wonder if or not I should invite himwhether4) 引导主语、 表语、 同位语从句时。if they will gowhether If we will go there hasn’ t be decided whetherMy question is if he will go with us. whetherThe question if he will go with us is still unknown. whether注意: 在条件状语从句中, 表示“如果”用if不用whether. 由w h -疑问词引 导。We fully understood what he meant.Go and ask why he was late yesterday.Please tell me which is mine.I asked how he was getting on. 表语从句:结构:常见连系动词:连接词:在复合句中充当表语的从句。