高考专题精讲--名词性从句.ppt

名词性从句台湾属于中国Taiwan belongs to China.我们都知道台湾属于中国We all know that Taiwan belongs to China.事实是台湾属于中国The truth is that Taiwan belongs to China.台湾属于中国是地球人都知道的That Taiwan belongs to China is known to all.我们都知道这个事实台湾属于中国We all know the truth that Taiwan belongs to China .谓语动词之后：宾语从句系动词之后:表语从句动词之前：主语从句抽象名词之后：同位语从句一一 定义：名词性从句是指可以像名词一样在从句中充当主语，定义：名词性从句是指可以像名词一样在从句中充当主语，宾语，表语，同位语的从句因此根据它在句中不同的语法功宾语，表语，同位语的从句因此根据它在句中不同的语法功能，名词从句又可分别称为主语从句、宾语从句、表语从句和能，名词从句又可分别称为主语从句、宾语从句、表语从句和同位语从句同位语从句二二 名词性从句的根本形式名词性从句的根本形式“连接词连接词+ +正常陈述句语序正常陈述句语序eg. That light travels in straight lines is known to eg. That light travels in straight lines is known to all.all. This is what we are looking for. This is what we are looking for.随堂练习随堂练习T or FT or F：How was he successful is still a puzzle. ( )How was he successful is still a puzzle. ( )How he was successful is still a puzzle. ( )How he was successful is still a puzzle. ( )FTCould you tell me where he lives? ( )Could you tell me where does he live? ( )TF高考链接 2006 上海春These shoes look very good. I wonder _.A. how much cost they B. how much do they cost C. how much they cost D. how much are they cost2021 上海 37When changing lanes, a driver should use his turning signal to let other drivers know _.A. he is entering which lane B. which lane he is enteringC. is he entering which land D. which lane is he entering三 名词性从句的连接词连接词连接词是否在从句子充当成分连接词that不充当成分，仅起连接作用whether， if不充当成分，但有中文含义“是否”连接代词what, which主语，宾语，表语，定语who主语，表语whom宾语连接副词when时间状语where地点状语why原因状语how方式状语、程度状语连接限定词what, whichwhoseWhat,which,whose+n/pron It is still uncertain what use this kind if products will be of to our humanbeings.1 That he will succeed is certain. It is certain that he will succeed.2 Whether he will go there is not known. It is not known whether he will go there.3 When the meeting will be held has not been decided yet. It has not been decided yet when the meeting will be held.为防止主语冗长,句子头重脚轻,经常用it作形式主语,主语从句放在后面作真正的主语。

主语从句在句中做主语的名词性从句成为主语从句常考点清单 一一 that从句作主语时，常用it做形式主语，常见句型：(1) It + be + 形容词(likely/possible/important/clear/necessary/true/certain )+ that从句eg. It is certain that she will do well in her exam.(2) It + be + 名词词组(no wonder/an honor/a good thing/a pity/no surprise)+ that从句eg. Its no surprise that our team has won the game.(3) It + be + 过去分词(said/reported/thought/expected/decided) + that从句eg. It is said that Mr. Green has arrived in Beijing.二 主语从句与主句谓语动词一致性问题(1) 单个主语从句作主语时，谓语动词用单数When the meeting will be held has not been decided yet.when and where we shall meet has not been decided yet.when they will start and where they will go have not been decided yet.(2) 由and连接两个或两个以上连接词引导同一个主语从句时，谓语动词用单数。

3) 由and连接两个或两个以上的主语从句做主语时谓语动词用复数结论：主语从句做主语时谓语动词用单数还是复数取决于有几个主语从句而非几个连接词高考链接(1)2021 天津 7It is obvious to the students _ they should get well prepared for their future.as B. which C. whether D. that(2)(2021 上海)It has been proved _ eating vegetable in childhood helps to protect you against serious illness in later life.A. when B. that C. whether D. what(3)(2006 辽宁)_makes the shop different is that it offers more personal services.What B. Who C. Whatever D. Whoever(4)(2002 上海春)_fashion differs from country to country may reflect the cultural differences from one aspect.What B. That C. This D. Which(5)(2003 上海)It is pretty well understood _ control the flow of carbon dioxide in and out the atmosphere today.that B. when C. what D. howprep.v.She sensed that she was being watched.Polly didnt know which way she should go.Im interested in who that tall man is.There was a discussion about whether Polly had found the blind man.He was disappointed that he failed to get the master degree(硕士学位).Are you sure that youll get there in time?宾语从句：当名词性从句在复合句中做谓语动词，非谓语动词，形容词和介词的宾语时被称为宾语从句。

adj.宾语从句常考点清单 二一 it 做形式宾语的情况在可以接复合宾语的动词之后，如think, make, consider, find等，可以用it做形式宾语think/make/consider/find + it + that-clauseeg.他应当改进他的发音，我们认为这是必要的We consider that he should improve his pronunciation necessary.We consider it necessary that he should improve his pronunciation.他不会屈从的，这一点他已经明确表示了He has made it clear that he will not give up.二 that在宾语从句中的省略与保存1在主+谓+it (形式宾语) +宾补+that从句(真正宾语) 的句型中不省略 We must make it clear that we do not tell lies. 2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 He told me (that) he would come and that he would come on time.三 介词后的that宾语从句 1that从句一般不能充当介词宾语，但可以做except，in 的宾语。

eg. He is a good student except that he is a little bit careless. 他是一个好学生，就是有点儿粗心 He differed from his classmates in that he devoted his spare time to reading. 他和他的同学不同的地方在于他把课余时间用在读书上2其他介词后需要用that做宾语时，必须用it做形式主语eg. You may depend/count on it that I shall always help you. 你要相信我会一直帮助你的 Please see to it that (make sure that) you bring enough money when you go out. 出门时，务必带够钱高考链接(1)2006 湖南With his work completed, the businessman stepped back to his seat, feeling pleased _ he was a man of action.A. which B. that C. what D. whether(2) (2021 浙江) Some children want to challenge themselves by learning a language different from _ their parents speak at home.A. what B.。