公开课-名词性从句复习-高二英语.ppt
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1、Grammar,名词从句的学习,名词性从句是复合句的一种,前几年高考主要考查宾语从句中用陈述语序以及连接词的选择等问题;近几年对名词性从句的考查趋于复杂灵活,往往把它与定语从句和状语从句的知识点放在一起考查,对名词性从句的考查主要有语序问题、时态的呼应问题和连接词的选择。2009年全国卷及地方卷对名词性从句的考查占了较大比例,有18道考查到该部分,2010年考查的比例更大,有20道题考查了名词性从句的用法,可见对名词性从句的重视程度。笔者认为,在单项选择题中,近几年题干语境越来越丰富,句子结构也越来越复杂,其中名词性从句所引起的句子结构的复杂化占了较大比例,命题人侧重于对复杂句子结构的考查,是
2、因为能否分析复杂句子结构是掌握英语语言的重要能力之一,所以我们可以断言,以后的高考题对名词性从句的考查还会倍加青睐,1.Whether he will come here or not is unimportant to me.2.I dont know what he means.3.That was because he was ill.4.The news that he got killed in the race surprised us all.,(主语从句),(宾语从句),(表语从句),同位语从句,在句中起名词作用的从句叫名词性从句,它包括主语从句、宾语从句、表语从句和同位语从句
3、,欣赏这四个句子,你可以发现什么那?,由_引导,在复合句中起_作用的从句叫名词从句(Noun Clauses)。它在复合句中能担任_等,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_。,名词性从句,连接词,名词,主语、宾语、表语、同位语、介词宾语,主语从句、宾语从句、表语从句和同位语从句,谓语动词/介词,主语从句,表语从句,宾语从句,名 词,同位语从句,When we shall hold the meeting depends on whether John can return tomorrow.,系动词,The problem is when John will come bac
4、k.,We expressed our hope that we could visit the country again.,看从句中缺少什么成分,根据意思选择适当连接词语;如不缺成分且句意完整,则选用that.,一找二查三选,:从句,:缺少什么成分,:意思适合的连接词,连词选择总原则:,1.that引导的从句如果作介词宾语只可用在except,in,but,besides等少数介词后。如:I could say nothing but that Im sorry.2.that引导的从句可作it的同位语从句。如:You may depend upon it that all the good
5、s will be delivered in time.3.that引导宾语从句时可省略;引导其他名词性从句时,一般不省略,特别是引导主语从句且位于句首时。如:That the earth is round is true.The fact that he is a thief got around.注意:下面一句中,第一个that可省略,第二个that不可省略:He said(that)he had been working here for ten years and that he wanted to go home.,that讲解,3.whether与if引导名词性从句时的区别。,1)
6、在引导宾语从句时whether与if可互换,但如果和or not连用则只用whether。如:I dont know whether or not he can stay here longer.(2)如果宾语从句是否定结构,则用if而不用whether引导。如:He asked me if I wasnt going there.(3)介词宾语从句只能用whether引导。如:Im not interested in whether he is rich.(4)引导主语从句、表语从句或同位语从句一般多用whether。如:The question is whether you can do
7、it yourself.The question whether he will come here himself isnt decided yet.Whether it will do us harm or good remains to be seen.(5)用it作形式主语时,whether或if都可以引导主语从句。如:It is not clear to me whether/if he likes the present.,4.主语从句不可位于句首的五种情况,(1)if引导的主语从句不可居于复合句句首。(2)It is said/reported.结构中的主语从句不可提前。如:It
8、 is said that President Jiang will visit our school next week.(rightThat President Jiang will visit our school next week is said.(wrong)(3)It happens.,It occurs.结构中的主语从句不可提前。如:It occurred to him that he failed in the examination.(right)That he failed in the examination occurred to him.(wrong)(4)It d
9、oesnt matter how/whether.结构中的主语从句不可提前。如:It doesnt matter whether he is wrong or not.(right)Whether he is wrong or not doesnt matter.(wrong)(5)含主语从句的复合句是疑问句时,主语从句不可提前。如:Is it likely that it will rain in the evening?(right)Is that will rain in the evening likely?(wrong),主语从句是在复合句中充当主语的从句,通常放在主句谓语动词之前或
10、由形式主语it代替,而本身放在句子末尾。,一、主语从句,1.it 作形式主语和it引导强调句的比较it 作形式主语代替主语从句,主要是为了平衡句子结构,主语从句的连接词没有变化。而it引导的强调句则是对句子某一部分进行强调,无论强调的是什么成分,都可用连词that。被强调部分指人时也可用who/whom。如:It is a pity that you didnt go to see the film.你没去看那场电影真是遗憾。It doesnt interest me whether you succeed or not.你成功与否对我没有什么吸引力。,2.用it 作形式主语的结构,1)It
11、is 名词从句It is a fact that.事实是It is an honor that.非常荣幸It is common knowledge that.是常识2)it is 形容词从句It is natural that.很自然It is strange that.奇怪的是3)it is 不及物动词从句It seems that.似乎It happened that.碰巧4)it 过去分词从句It is reported that.据报道It has been proved that.已证实,3.主语从句不可位于句首的五种情况,1)if 引导的主语从句不可居于复合句句首。2)It is
12、 said,(reported).结构中的主语从句不可提前。如:据说江主席下周要来我校视察。It is said that President Jiang will visit our school next week.(right)That President Jiang will visit our school next week is said.(wrong)3)It happens.,It occurs.结构中的主语从句不可提前。如:他考试没及格。It occurred to him that he failed in the examination.(right)That he f
13、ailed in the examination occurred to him.(wrong)4)It doesnt matter how/whether.结构中的主语从句不可提前。如:他是不是错了,这一点不重要。It doesnt matter whether he is wrong or not.(right)Whether he is wrong or not doesnt matter.(wrong)5)含主语从句的复合句是疑问句时,主语从句不可提前。如:傍晚有可能下雨吗?Is it likely that it will rain in the evening?(rightIs t
14、hat will rain in the evening likely?(wrong)4.what 与that 在引导主语从句时的区别what 引导主语从句时在从句中充当句子成分,如主语、宾语、表语,而that 则不然。如:What you said yesterday is right.你昨天说的是对的。,宾语从句就是在复合句中作宾语的名词性从句,通常放在主句谓语动词(及物动词)或介词之后。,二、宾语从句,1.作动词的宾语1)由that引导的宾语从句(that 通常可以省略),如:I heard that he joined the army.我听说他参军了。2)由what,whether(
15、if)引导的宾语从句,如:She did not know what had happened.她不知道发生了什么事。3)动词间接宾语宾语从句。如:She told me that she would accept my invitation.她跟我说她愿意接受我的邀请。2.作介词的宾语,如:Our success depends upon how well we can cooperate with one another.我们的成功取决于我们的合作情况,3.作形容词的宾语,如:I am afraid(that)Ive made a mistake.我恐怕是犯错了。that 引导的从句常跟在
16、下列形容词后作宾语:anxious,aware,certain,confident,convinced,determined,glad,proud,surprised,worried,sorry,thankful,ashamed,disappointed,annoyed,pleased,hurt,satisfied,content 等。也可以将此类词后的that 从句看作原因状语从句。4.it 可以作为形式宾语it 不仅可以作为形式主语,还可以作为形式宾语而把真正的宾语that 从句放在句尾,特别是在带复合宾语的句子中。如:We heard it that she would get marr
17、ied next month.我们听说她打算下个月结婚。,5.后边不能直接跟that从句的动词这类动词有allow,refuse,let,like,cause,force,admire,condemn,celebrate,dislike,love,help,take,forgive等。这类词后可以用不定式或动名词作宾语,但不可以用that引导的宾语从句。如:我非常羡慕他们赢得了比赛的胜利。I admire their winning the match.(right)I admire that they won the match.(wrong)6.不可用that从句作直接宾语的动词有些动词不
18、可用于“动词间接宾语that从句“结构中,常见的有envy,order,accuse,refuse,impress,forgive,blame,denounce,advise,congratulate等。如:作为一个诚实的人,他给经理留下了很深的印象。He impressed the manager as an honest man.(right)He impressed the manager that he was an honest man.(wrong)7.否定的转移若主句谓语动词为think,consider,suppose,believe,expect,fancy,guess,im
19、agine等,其后的宾语从句若含有否定意义,一般要把否定词转移到主句谓语上,从句谓语用肯定式。如:I dont think this dress fits you well.(我认为这件衣服不适合你穿。),三、表语从句,表语从句是在复合句中作表语的名词性从句,放在系动词之后,一般结构是“主语连系动词表语从句”。可以接表语从句的连系动词有be,look,remain,seem等。另外,常用的还有The reason is that.和It is because 等结构。如:The question is whether we can make good preparation in such a
20、 short time.问题是我们能否在那么短的时间内作好充分的准备。This is why we cant get the support of the people.这就是我们为什么得不到人民支持的原因。,s meeting was put off.他从玛丽那里得知运动会要延期举行。,四、同位语从句,同位语从句就是在复合句中作名词的同位语的名词性从句。1.同位语从句的功能同位语从句对名词进一步解释,说明名词的具体内容,一般由that引导。如:The kings decision that the prisoner would be set free surprised all the pe
21、ople.国王作出的这名囚犯释放的决定让人们大吃一惊。2.同位语在句子中的位置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。如:He got the news from Mary that the sports meeting was put off.他从玛丽那里得知运动会要延期举行。,3.同位语从句与定语从句的区别1)定语从句中的that既代替先行词,同时在从句中作某个成分(主语或宾语),而同位语从句中的that是连词,只起连接主句与从句的作用,不充当句中任何成分。2)定语从句是形容词性的,其功能是修饰先行词,对先行词加以限定,描述它的性质或特征;同位语从句是名词性的,其功
22、能是对名词进行补充说明。如:The news that he told me is that Tom would go abroad next year.他告诉我的消息是汤姆明年将出国。(第一个that引导的从句是定语从句,that在从句中作宾语)The news that Tom would go abroad is told by him.汤姆将出国的消息是他讲的。(同位语从句,that在句中不作任何成分),Practice time,Group competition,Who will be the winner?,Part A:Have a try:Choose a proper co
23、njunction.,1._ has been announced is that we must hand in our graduation papers before the end of June.,What,2._ he always serves the people is well-known.3._ the English evening will be held,on Monday or Tuesday,has not yet been decided.4.I want to know _ he has told you.5.Everything depends on _ w
24、e have money.6.That is _ he didnt come to the meeting.7.The news _ we won the game was exciting.,That,When,what,whether,why,that,that/what,1._ he wants is a book.2._ he wants to go there is obvious.3.The result is _ we won the game.4.This is _ we want to know.5.I dont know _ will happen next.6.He is
25、 no longer _he used to be.7.I have no doubt _ you will succeed.,What,That,that,what,what,what,that,1.名词性从句连接词的选用,(1)that 和what 的选用,that 和 what 都可引导所有的名词性从句。但是,_除起连接作用外,还在名词性从句中充当成分,可作从句的_、_、或_。而_在名词性从句中不充当任何成分,只起_作用。,what,主语,宾语,表语,that,总结,连接,1.I asked her _ she had a bike.2._ we will hold a party in
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