新概念英语第二册名词性从句 课件 .pptx
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1、名词性从句复习名词性从句复习考纲解读从出题者的角度,就是要考察名词性从从出题者的角度,就是要考察名词性从句中的语序以及引导词之间的区别。有时候,句中的语序以及引导词之间的区别。有时候,会结合插入语或名词与同位语隔开,或使句会结合插入语或名词与同位语隔开,或使句子结构复杂化等使得难度增加。其实,总的子结构复杂化等使得难度增加。其实,总的难度和变化都不大。但是从考生的角度来说,难度和变化都不大。但是从考生的角度来说,如果考生对句子结构掌握不过硬,对某些词如果考生对句子结构掌握不过硬,对某些词或词组的用法不了解,就会容易造成和定语或词组的用法不了解,就会容易造成和定语从句、状语从句的混淆,造成根本环
2、节的误从句、状语从句的混淆,造成根本环节的误判而用其他从句的规则去解题。造成丢分。判而用其他从句的规则去解题。造成丢分。名词性从句的种类名词性从句的种类名词性从句即由连接词引导、起名词作用的名词性从句即由连接词引导、起名词作用的从句,包括主语从句、宾语从句、表语从句和从句,包括主语从句、宾语从句、表语从句和同位语从句。同位语从句。主语从句(在主句中作主语)主语从句(在主句中作主语)Who will win the game is not known.宾语从句(在主句中作宾语)宾语从句(在主句中作宾语)Nobody knows who will win the game.表语从句(在主句中作表语
3、)表语从句(在主句中作表语)My question is who will win the game.同位语从句(在主句中作同位语)同位语从句(在主句中作同位语)I have no idea who will win the game.名词性从句的连接词名词性从句的连接词连接词即引导名词性从句的关联词,包括连接词即引导名词性从句的关联词,包括连词、连接代词、连接副词。连词、连接代词、连接副词。连词:仅起连接作用,不作句子成分。连词:仅起连接作用,不作句子成分。连接代词:可作主语、宾语、表语或定语。连接代词:可作主语、宾语、表语或定语。连接副词:只作状语。连接副词:只作状语。连词:引导从句但不作
4、任何成分。连词:引导从句但不作任何成分。that没有意义,引导主没有意义,引导主/宾宾/表表/同位语从句。同位语从句。It is said that there will be a party tonight.They say(that)there will be a party tonight.Why he failed was that he made a vital mistake.The key that he succeeded lied in his hard work.if是否,引导是否,引导宾语宾语从句,主语从句。从句,主语从句。whether是否,引导主是否,引导主/宾宾/表
5、表/同位语从句。同位语从句。I doubt if/whether you can pass the test.Whether well go camping depends on the weather.My doubt is whether you can pass the test.I have no idea whether you can pass the test.as if/though好像,似乎,引导好像,似乎,引导表语表语从句。从句。because因为,引导因为,引导表语表语从句。从句。The old lady looks as if she were a young girl
6、.His failure was because he didnt work hard enough.连接代词:引导从句并作从句的句子成分。连接代词:引导从句并作从句的句子成分。who谁谁(主格主格),用于人,作主,用于人,作主/宾宾/表语。表语。whom谁谁(宾格宾格),用于人,仅作宾语。,用于人,仅作宾语。Who will do the job hasnt been decided.(主语主语)Would you tell me who/whom youll vote for?(宾语宾语)Can you tell me who the pretty girl is?(表语表语)whose谁
7、的,用于人,作表谁的,用于人,作表/定语。定语。Please tell me whose the bike is.(表语表语)I dont know whose bike it is.(定语定语)which哪个哪个/些,用于人或物,作主些,用于人或物,作主/宾宾/表表/定语。定语。what什么,什么,用来指事物,作主用来指事物,作主/宾宾/表表/定语。定语。Please tell me what sport you like best.(定语定语)I wonder which of you can solve the problem.(主语主语)Id like to know what you
8、r father is.(表语表语)whoever 作主作主/宾宾/表语表语 whomever 仅作宾语仅作宾语 whichever 作主作主/宾宾/表表/定语定语 whatever 作主作主/宾宾/表表/定语定语Whateverhesaidwasright.Illtakewhoeverwantstogo.Whicheverofyoucomesfirstwillreceiveaprize.Youcangivethetickettowhomeveryoulike.连接副词:引导从句并作从句的状语连接副词:引导从句并作从句的状语 when表示时间表示时间 where表示地点表示地点 why表示原因
9、表示原因 how表示方式表示方式When well have a meeting is not decided.I dont know where I can buy such a book.Why he did it will remain a puzzle forever.The question is how we should carry out the plan.注意:注意:Whenever,however,wherever很少引导名词性从句,因为when,where,how本来都是副词性质的,相对而言whoever,whatever,whichever可以引导名词从句的.whene
10、ver一般引导时间状语从句和让步状语从句wherever一般引导地点状语从句和让步状语从句however引导让步状语从句eg.Whereverhegoesmakeshisparentsworry.(主语从句)如何选用连接词?如何选用连接词?用法规则用法规则:先根据从句的结构确定用哪种连接词,先根据从句的结构确定用哪种连接词,从句从句不缺成分用连词,缺主语、宾语、表语、定语用不缺成分用连词,缺主语、宾语、表语、定语用连接代词,缺状语用连接副词连接代词,缺状语用连接副词,再根据从句意思再根据从句意思确定用哪个连词、连接代词或连接副词。确定用哪个连词、连接代词或连接副词。用法口诀:用法口诀:根据结构
11、定词类,根据意思再核对,根据结构定词类,根据意思再核对,不缺成分用连词,主宾表定用代词,不缺成分用连词,主宾表定用代词,状语必须用副词,词法成分要斟酌,状语必须用副词,词法成分要斟酌,具体该用哪一个,可依句意来定夺。具体该用哪一个,可依句意来定夺。一主语从句一主语从句 主主语语从从句句是是在在复复合合句句中中充充当当主主语语的的从从句句,通通常常放放在在主主句句谓谓语语动动词词之之前前或或由由形形式式主主语语itit代代替替,而而本本身身放放在在句句子子末尾。末尾。eg.1.That we must master English words eg.1.That we must master E
12、nglish words as many as possible is very important.as many as possible is very important.2 It was a pity that you failed in the exam.2 It was a pity that you failed in the exam.用用用用it it it it 作形式主语的结构作形式主语的结构作形式主语的结构作形式主语的结构(1)Itbe名词(短语)(apity/ashame/asurprise/nowonder等)that从句eg.Itisapitythatyouhav
13、emissedthewonderfullecture.(2)It+be+形容词(necessary/natural/wonderful/likely/strange/important/certain等)that从句eg.Itiswonderfulthatallofyouhavepassedthedifficultexam.(3)It+不及物动词that从句 It seems that 似乎似乎 It happened that 碰巧碰巧 It appears that 似乎似乎 It occurredtomethat我突然想起我突然想起(4)It be+过去分词过去分词 从句从句 It is
14、 reported/said/hoped/believed that It is suggested/required/requested/ordered/demanded that 【注意】在以下主语从句中,常使用虚拟语气,即“should动词原形”形式,其中的should可以省略。Itisnecessary/strange/important/natural/impossibleetc.that.Itisapity/ashame/nowonderthat.Itissuggested(建议)/requested/required/proposed/desired(要求)/demanded/i
15、nsisted(坚决要求)/orderedthat.15主语从句中应注意的问题主语从句中应注意的问题1)主语从句在句首时,必须由连接词引主语从句在句首时,必须由连接词引导,不能省略这些连接词。导,不能省略这些连接词。误:Thecollegewillgetinmorenewstudentsthisyearisture.正:That thecollegewillgetinmorenewstudentsthisyearisture.2)如果主语从句放在句首,不能用如果主语从句放在句首,不能用if引导,引导,但是如果用但是如果用it做形式主语,而把主语从句做形式主语,而把主语从句放在句末时,也可以用放
16、在句末时,也可以用if引导引导.误:IfMaryreallyheardhimisreallydoubtful.正:WhetherMaryreallyheardhimisreallydoubtful.正:It was doubtful if/whether Mary really heard him.二宾语从句二宾语从句二宾语从句二宾语从句 宾宾语语从从句句就就是是在在复复合合句句中中作作宾宾语语的的名名词词性性从从句句,通通常常放放在在主主句句谓语动词谓语动词(及物动词及物动词)或介词之后。或介词之后。1.作动词的宾语作动词的宾语(1)作及物动词的宾语。作及物动词的宾语。She did not
17、 know what had happened.I wonder whether you can change this note for me.(2)动词间接宾语宾语从句。例如:动词间接宾语宾语从句。例如:She told me that she would accept my invitation.2.作介词的宾语作介词的宾语 Our success depends upon how well we can cooperate with one another.3.作形容词的宾语,作形容词的宾语,例如:例如:I am afraid(that)Ive made a mistake.注意:注意
18、:that 引导的从句常跟在下列形容词后作宾语:引导的从句常跟在下列形容词后作宾语:anxious,aware,certain,confident,determined,glad,proud,surprised,worried,sorry,thankful,ashamed,disappointed,annoyed,pleased,satisfied,content 等。等。4.it 可以作为形式宾语可以作为形式宾语 it 不不仅仅可可以以作作为为形形式式主主语语,还还可可以以作作为为形形式式宾宾语语而而真真正正的的宾宾语语that 从句则放在句尾。从句则放在句尾。.可运用可运用it做形式宾语做
19、形式宾语的结构有:.动词make,find,think,feel,consider,believe等后面有宾语补足语的时候,则需要用it做形式宾语,而将that宾语从句后置,结构:S.+vt+it+adj./n.+that从句。Ithinkitnecessarythatwetakeplentyofhotwatereveryday.IfeelitapitythatIhaventbeentotheget-together.有些动词带宾语从句时需要在宾语从句前加it,这类动词主要是:hate,like,seeto(务必使)dependon(指望,相信)Ihateitwhentheyspeakwith
20、theirmouthsfulloffood.Youcandependonitthatsuchaboringthingwillneverhappenagain.宾语从句应注意的问题:宾语从句应注意的问题:1.由由that引导的宾语从句,引导的宾语从句,that 通常可以省略通常可以省略,例如:例如:I heard(that)he joined the army.但在下面情况下,但在下面情况下,that不能省略。不能省略。(1)当当一一个个句句子子有有两两个个或或多多个个并并列列宾宾语语从从句句时时,引引导导第第二二个个及及其其以以后的宾语从句中的后的宾语从句中的that不能省略。不能省略。eg.
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