2022新概念英语第二册名词性主语从句语法知识及练习.docx

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1、2022新概念英语第二册名词性主语从句语法知识及练习新概念英语其次册名词性主语从句语法学问及练习导语：主语从句即在复合句中充当主语成分的句子，下面YJBYS我带来新概念英语其次册名词性主语从句语法学问及练习，欢迎参考!学问要点：名词性从句包括：主语从句、表语从句、宾语从句和同位语从句。引导名词性从句的连词有：A.连词：that, whether, if(这三个词都不作从句的成分，同时，that无含义，而whether和if都表;是否;)B.疑问代词：who, whom, whose, what, whichC.疑问副词：when, where, why, how主语从句：在复合句中充当主语的从

2、句。1.that引导主语从句that引导主语从句时不同于其他的连词，既无词义也不作成分，只起单纯的连接作用，且通常不行以省。为了强调that引导的主语从句而置之于句首时，that不行省。That the driver could not control his car was obvious.That she was chosen made us very happy.That he will come is certain.That he would take the risk is true.That he should have married her isn't surpris

3、ing.通常，that引导主语从句时用it做形式主语，把从句置于句尾，此时that有时可省。例如：It was obvious that the driver could not control his car.It made us very happy that she was chosen.It is certain that he will come.It is true that he would take the risk.It isn't surprising (that) he should have married her.假如以that从句为主语的句子是疑问句，就只能

4、用先行词it结构。例如：Is it certain that he will come?Is it true that he would take the risk?it做形式主语有以下几种不同的结构：(1)It + be + 形容词+ that-从句It is likely that he will come.It is strange that she has ever trusted him.It is important that he (should) attend the meeting.It is best that he (should) go.此句型在表示惊异、喜悦、缺憾等感

5、情色调时，that从句中的谓语动词也常用 (should) + v原形。It is strange that no one should have objected to the plan.(2)It + be +名词+ that-从句It is common knowledge that the whale is not a fish.It's a pity that he should have catched the train.(3) It + be + -ed分词 + that从句It is said that he is a famous writer.It is repo

6、rted that there will be a storm this afternoon.在表示建议、要求、吩咐等意义的被动结构中，that从句中的谓语动词常用(should) do。(参见虚拟语气部分)It is suggested that the meeting (should) be held this afternoon.It is demanded that he (should) leave at once.(4) It + seem/happen/appear等不及物动词 + that从句。(look不接that从句，它接to be结构或形容词)It seems that

7、he is wrong.It appears that they are in urgent need of help.He looks (to be) surprised/happy/sad.2. whether引导主语从句，意为;是否;，只起连接作用，不充当任何成分。(置于句首时必需用whether引导，置于句尾时，间或可用if。)Whether he will win the game is not clear.Whether he will come is uncertain.Whether she comes or not doesn't concern me.It is n

8、ot clear whether/if he will come.It was uncertain whether he would come.3. 连词代词what, who, which, whose等引导的主语从句。这些连接代词作用相当于代词，在从句中担当主语、宾语、表语、定语等。What we need is more time.Who was responsible for the accident is not yet clear.Whose book it is not important.Which school you want to go matters much.4.连接

9、副词when, where, why, how引导的主语从句。这些连接副词相当于副词，在从句中充当状语。Why he did this is not known.When he will come is still unknown.It is not known why he did this.How he succeeded is unknown to us.Where we should hold the meeting needs to be discussed.留意：wh-引导的主语从句也常用it作形式主语。5.也可用whatever,whoever,whomever,whenever

10、,wherever等词引导主语从句，表示;无论什么;、;无论谁;、;无论何时;、;无论在(到)哪里;等。Whoever told you to give up smoking was quite right.Whatever he gave you should be handed in.Whoever told you that was lying.Whoever comes is welcome.专项训练：1._ makes mistakes must correct them.A. What B. That C. Whoever D. Whatever2. It worried her

11、a bit _ her hair was turning grey.A. while B. that C. if D. for3.When and why he came here _ yet.A. is not known B. are not known C. has not known D. have not known4._ is no reason for dismissing her.A. Because she was a few minutes late B. Owing to a few minutes lateC. The fact that she was a few m

12、inutes late D. Being a few minutes late5._Tom liked to eat was different from _.A. That…that you had expected B. What …that you had expectedC. That…what you had expected D. What…what you had expected6._ we go swimming every day _ us a lot of good.A. If.do B. That.do C. If

13、.does D. That.does7.It _ Bob drives badly.A. thinks that B. is thought what C. thought that D. is thought that8.It's uncertain _ the experiment is worth doing.A. if B. that C. whether D. how9._ the boy didn't take medicine made his mother angry.A. That B. What C. How D. Which10._ we can't get seems better than _ we have.A.What, what B. What, that C. That, that D. That, whatKEYS1.C 2.B 3.A 4.C 5.D 6.D 7.D 8.C 9.A 10.A本文来源：网络收集与整理，如有侵权，请联系作者删除，谢谢！第8页 共8页第 8 页 共 8 页第 8 页 共 8 页第 8 页 共 8 页第 8 页 共 8 页第 8 页 共 8 页第 8 页 共 8 页第 8 页 共 8 页第 8 页 共 8 页第 8 页 共 8 页第 8 页 共 8 页