高中英語四大名詞性從句的詳細概括以及注意點

1、名詞性從句名詞性從句主語從句主語從句賓語從句賓語從句表語從句表語從句 同位語從句同位語從句 It is said/reported/known/hoped/informed +that 從句從句It is said that he will come to China next year. 形式主語形式主語：WhatThatIt is said/reported/known/hoped/informed +that 從句從句 形式主語形式主語：The news that our team has won the match is true.同位語從句有時可以不緊跟在它所說明的名詞后面，而是被別

2、的詞隔開。例如：He got the news from Mary that the sports meeting was put off. 同位語從句一般跟在名詞同位語從句一般跟在名詞fact,newsfact,news, ,promise,truth,belief,thought,idea, promise,truth,belief,thought,idea, answer,information,knowledge,doubtanswer,information,knowledge,doubthope,law,opinion,plan,suggestionhope,law,opinion

3、,plan,suggestion后后面面, , 用以說明或解釋前面的名詞用以說明或解釋前面的名詞. .同位語從句同位語從句定語從句定語從句引導詞that只起連接的作用不充當句子成不充當句子成分分引導詞that除了引導句子外還充當一定的句子成充當一定的句子成分（主語或賓語）分（主語或賓語）同位語從句與前面的名詞是同位關系表示這個名詞的內(nèi)容名詞的內(nèi)容定語從句對先行詞起修飾作用，表示表示“的的”。同位語從句的that 不不能省略能省略而定語從句中的關系代詞that，當其在從句中當其在從句中做賓語時，常省略做賓語時，常省略一.同位語從句注意點2. 在在have no idea 之后常用之后常用wh-引

4、導同位語從句引導同位語從句.I have no idea where he has gone.I have no idea when he did it.I have no idea what he did. 由連詞由連詞that 引導引導, that ?？墒÷浴３？墒÷?。I told him (that) I would come back soon. (1)并列第二個以上的賓語從句并列第二個以上的賓語從句,第二第二個個that 是不可以省略的是不可以省略的He said (that) he had finished reading this novel and that he would

5、borrow another one.that 不能省略。不能省略。It is strange that you like him.I think it strange that you like him.I feel it a pity that she cant come.He made it clear that he objected to the plan. 只能用只能用whether的情況：的情況：1）在不定式的前面）在不定式的前面 2）在介詞后引導賓語從句時）在介詞后引導賓語從句時 3）賓語從句中緊接）賓語從句中緊接or not時。時。 4）引導主語、表語、同位語從句時。）引導主

6、語、表語、同位語從句時。 I cant decide if to tell him the news .Theyre talking about if they will go.I wonder if or not I should invite him. whetherwhetherwhether If we will go there hasnt be decided. My question is if he will go with us. The question if he will go with us is still unknown. whetherwhetherwhethe

7、r注意：在條件狀語從句中，表示注意：在條件狀語從句中，表示“如果如果”時時用用if不用不用whether.由由wh-疑問詞引導。疑問詞引導。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.表語從句表語從句:結構結構:常見連系動詞常見連系動詞:連接詞連接詞:在復合句中充當表語的從句。在復合句中充當表語的從句。主語主語 + 連系動詞連系動詞 + 表語從句表語從句be, look, rema

8、in, seem, appearthat, wh-疑問詞疑問詞, whether, because, as, as if/ though The truth is that I didnt go there.1.表語從句里的引導詞表語從句里的引導詞that 是不可以是不可以省略的省略的 The question is whether he can get there. 2. 表語從句不能用表語從句不能用if引導引導All I want to know is that he need money.All I want to know is what he need.He is not what

9、he used to be.The question is when we start.Thats why we come here. 常用的還有常用的還有The reason is that 和和It is because 等結構。等結構。The reason for his absence is that hesuddenly fell ill. It is because he doesnt know her. thatas if他建議我們應該去北京他建議我們應該去北京He advised / suggested that we should go to Beijing. 他們要求我們?nèi)ケ本┧麄円笪覀內(nèi)ケ本㏕hey require that we should go to Beijing. 當動詞當動詞suggest, advise, require, demand等等 后面接賓語從句的時候賓語從句的謂語動后面接賓語從句的時候賓語從句的謂語動詞用詞用(should) + do.His suggestion is that we should go to Beijing.His suggest