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1、名词性从句1.在句子中起名词作用。2.功能相当于名词词组，在复合句中担任主语、宾语、表语、同位语、介词宾语3.名词性从句可分为主语从句、宾语从句、表语从句、同位语从句。最新.1RelatedConception(相关概念相关概念)1.名词名词:表示人或事物的名称的词叫名词。表示人或事物的名称的词叫名词。2.名词在句子当中一般可以作什么成分名词在句子当中一般可以作什么成分?名词在句中主要作主语、宾语、表语和同位语。名词在句中主要作主语、宾语、表语和同位语。TheboyisliMing.主语主语表语表语Mr.Liang,a24-year-oldboy,teachesusEnglish.主语主语同位
2、语同位语宾语宾语最新.2在英语的句子结构中，本来该由名词充当的主语、在英语的句子结构中，本来该由名词充当的主语、宾语、表语和同位语，由一个句子来充当宾语、表语和同位语，由一个句子来充当,这个句这个句子就叫名词性从句。子就叫名词性从句。什么是名词性从句什么是名词性从句?名名词词性性从从句句主语从句主语从句 ( The Subject Clause)宾语从句宾语从句 ( The Object Clause) 表语从句表语从句 ( The Predicative Clause)同位语从句同位语从句 ( The Appositive Clause)最新.3一、主语从句定义：在句子中起主语作用的从句称为
3、主语从句。连接主语从句的连接词主要有三类： 连接词：that、whether 连接代词：what、who、whose、whatever、 whichever、whoever 连接副词：when、where、why、how最新.41. 连接词引导：that 、whether例：That the college will take in more new students this year is true. 今年这所大学将招收更多新生是真的。 That the whether becomes warmer is the result of pollution. 天气变暖是污染的结果。 Wheth
4、er he can finish his task on time is of great importance. 他是否能按时完成任务非常重要。 Whether you can succeed or not depends on how hard you work at it. 你是否能成功取决于你努力地程度。最新.52. 连接代词引导例：What we cant get seems better than what we already have. 我们得不到的东西似乎比我们拥有的东西更好。 Who the letter was from is still unknown. 这封信是谁邮寄
5、的还不清楚。 Whichever of you gets here first will get the prize. 你们当中第一个达到这里的人将获得奖项。最新.6_ we are sure about is the need to prevent children from being spoiled.A.What B. Which C. whether D. ThatA.What 一方面引导主语从句； 另一方面在句中做about的宾语。最新.73. 连接副词引导例：How medicine reduces and relieves pain is unclear. 药物是如何减轻和解除疼
6、痛的还不清楚。 Why they suddenly disappeared still remains a mystery. 它们为什么突然消失还是个迷。 最新.8Exercise 11._shesaidpuzzledhim.2._shesaidsuchathingpuzzledhim.3._weshouldsendtotakepartinthepartyistobediscussed.4._theydontwanttodroptheplanisclear.5._hefinishedtheworkinsoshorttimeremainsaquestion.6._itisgoingtosnowt
7、hiseveningisnotcertain.WhatWhy Whom/whoThatHowWhether最新.9Exercise 2_(月球上没有生命月球上没有生命)isknowntoall.2._(我在会议上说的我在会议上说的)mustbekeptsecret.3._(是否这件事是真的是否这件事是真的)remainsaquestion.4._(我我们什么时候开会们什么时候开会)istobediscussed.Thatthereisnolifeonthemoon WhatIsaidatthemeetingWhetheritistrueWhenwewillhavethemeeting最新.10
8、形式主语 it 替代主语从句：It是形式主语，that引导的从句是真正的主语。 it + 系动词 + 形容词 + that从句 It is necessary that 有必要有必要 It is important that . 重要的是重要的是 It is obvious that 很明显很明显 It is quite clear that the whole project is doomed to failure. 很清楚，整个计划注定要失败。 it + 系动词 + 名词 + that从句 It is common knowledge that 是常识是常识 It is a surpri
9、se that . 令人惊奇的是令人惊奇的是 It is a fact that 事实是事实是 It is our hope that the two sides will work towards peace. 我们的希望是双方能朝着和平的方向发展。 最新.11 it + be + 动词的-ed形式 + that从句 It is believed that 人们相信人们相信 It is known to us/all that . 众所周知众所周知 It has been decided that 已经决定已经决定 It is announced that the plan had been
10、 successfully carried out. 据宣布，计划正在顺利实施。 It + 不及物动词不及物动词 that从句从句 It appears that 似乎似乎 It happens that . 碰巧碰巧 It occurred to me that 我突然想起我突然想起最新.12Exercise 11.Itisawonder_youwerentinjured.2.Itisstillunknown_and_thistookplace.3.Itmakesnodifferencetome_heisrichorpoor.4.Itisnotyetdecided_istotakeherpl
11、aceassecretary.5.Itissaid_thisplazahas15cinemas.6.Itdoesntmatter_youaregoingtodoit.thatwhenwherewhetherwhothatwhether最新.13Exercise 21.你昨天错过了这部新的电影，真是太遗憾了。你昨天错过了这部新的电影，真是太遗憾了。2.他们将要在这里建一个新的医院是真的吗？他们将要在这里建一个新的医院是真的吗？3.据说我们清明节要放三天假。据说我们清明节要放三天假。4. 他是否挣很多很多钱对我来说并不重要。他是否挣很多很多钱对我来说并不重要。Itisapitythatyoumis
12、sedthenewmovieyesterday.Isittruethattheyaregoingtosetupanewhospitalhere?ItissaidthatwelltakethreedaysoffonTombSweepingDay.Itisntimportanttomewhetherhecanmakealotofmoney.最新.14二、宾语从句定义：在句子中起宾语作用的从句称为宾语从句。引导宾语从句的连接词主要有三类： 连接词：that、whether、if 连接代词：what、who、whose、whatever、 whichever、whoever 连接副词：when、whe
13、re、why、how最新.151. 连接词引导例：I think (that) you should turn to the teacher for help. 我认为你应该向老师寻求帮助。 I still dont know if/whether he still lives here after so many years. 我不知道这么多年后他是否还住在这儿。 Tina was hesitating about the job offer as she didnt know _ the company was an established one. 蒂娜对那份工作有点迟疑，因为她不知道那
14、是否是一家被认定的公司。最新.16Whether/if 都意为“是否”，一般情况下可互换。口语中常用if。 但是以下情况只能用whether： 与or not连用时。 Let me know whether or not you can come. 请让我知道你是否能来。 引导介词宾语从句时。 We are interested in whether you will attend the meeting or not.最新.172. 连接代词引导例：She asked me whose handwriting was the best in the class. 她问我班上谁的书法最好。 I
15、ll just say whatever comes into my mind.3. 连接副词引导例：Do you know when the ancient games began? 你知道古代的奥运会是什么时候开始的吗？ Ive been thinking about how we can make the newspaper more interesting. 我一直在考虑如何使我们的报纸更有趣。最新.18注1：宾语从句的语序 在宾语从句中需用陈述句语序。例：He asked me when we could leave the next day. (when could we leav
16、e the next day?) Did you find out where she lost her car? (where does she lost her car?)注2：宾语从句的时态 主句的谓语动词是一般现在时，其宾语从句的时态可以是任何适当的时态，所以宾语从句的时态应更具实际情况而定。例：She says (that) she works from Monday to Friday. (从-一般现在) She says (that) she will leave a message on his desk.（从-一般将来） She says (that) she has never been to Mount Emei.（从-现在完成时） 最新.19 主句的谓语动词是一般过去时，其宾语从句的时态一般要用适当的过去时态。例：He said there were no classes yesterday afternoon. (从-一般过去时) He said that he was going to take care of the baby. (从-过去将来时) He
