高一语法专题三 名词性从句
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高中英语名词性从句知识讲解以及练习题附答案一、名词性从句概述名词性从句是一种充当名词作用的从句,通常在主句中作主语、宾语、表语或同位语。
它通常由引导词(如that, whether, if, who, whom, whose, which, what等)引导,并且从句中含有一个主语和谓语。
名词性从句的种类有很多,包括主语从句、宾语从句、表语从句和同位语从句等。
下面我们将逐一介绍这些从句。
二、主语从句主语从句作为一个名词,通常位于句首,是一个句子,主要作用是作为主句的主语。
引导主语从句的词:What (什么);Whether (是否);If (是否);That (那个)。
例句:What he said is true. (他说的是真的。
)Whether it will rain tomorrow is uncertain. (明天是否会下雨还不确定。
)If you go, I will go too. (如果你走,我也跟着走。
)That he is coming is good news. (他来的消息是好消息。
)注意:主语从句的谓语动词通常要用单数形式。
What引导的主语从句通常用来表示“事物”的概念。
三、宾语从句宾语从句是一个名词,通常位于主句的动词后面,作为主句的宾语。
它可以由常见的宾语从句引导词引导,例如whether, if, that, who, whom, whose, what, when, where, how等。
引导宾语从句的词:Whether (是否);If (是否);That (那个);Who (谁);Whom (谁);Whose (谁的);What (什么);When (何时);Where (何处);How (如何)。
例句:I know that he is coming. (我知道他要来。
)I wonder if he is telling the truth. (我想知道他是否说了真话。
高一英语语法(名词性从句) 2009-2-13一、概述在句子中起名词作用的从句称为名词性从句。
名词性从句包括主语从句,宾语从句、表语从句和同位语从句。
二、名词性从句的引导词1、连接代词:who, whom, whose, what, which, whoever, whatever等2、连接副词:when, where, why, how3、从属连词: that, whether, if, as if, because (as if, because 只引导表语从句)连接代词和连接副词在句中不再是疑问词,因而从句中用陈述语序。
三、主语从句1、主语从句用连接代词、连接副词和从属连词that,whether引导。
That you don’t like him has nothing to do with me.____________________________________________(约翰是否会做这个实验)remains a question.Who will be sent abroad to further his studies is not announced._____________________________(使我大为惊讶的)was that such a little girl can play the violin so well._________________________________(她是否会告诉我真相)is not known yet.______________________________________________(她如何设法在这么短的时间内完成这篇作文) is still a mystery.2、当主语过长时,常常用it作形式主语,而把真正的主语从句放在主句后面。
常用句型有:1) It +be +形容词(true, possible, certain, likely, surprising, strange,important…)+ that从句It’s certain that she will do well in the exam.It’s likely that he will tell me everything about that night.It’s strange that he should speak to his mother in such a way.2) It +be +名词词组(no wonder, an honor, a pity, high time等)+that 从句It’s a pity that he can’t come.It’s high time that you turned in your homework.3) It +be +过去分词(said, reported, expected, supposed等)+that 从句It’s said that he is quite self-confident.It’s reported that a letter from the university has reached him.4) It +seem/ happen/look as if等+that从句 tIt seems that Alice is not coming.It happened that I was a witness to the accident.5) It +doesn’t matter(make no difference)+wh-It doesn’t matter whether you know my name or not.It makes no difference to me where we shall have the meeting.四、表语从句表语从句用连接代词、连接副词和从属连词that, whether, as if, because引导The impression he makes on me is________________________(他是个可靠的人。
高一英语从句知识点从句是构成复合句的基本单位之一,负责在句子中承担特定的语法和语义功能。
在高中英语学习中,掌握从句的使用是非常重要的。
本文将介绍高一英语学生需要掌握的从句知识点,帮助他们更好地理解和运用从句。
一、名词性从句名词性从句可以在句子中充当主语、宾语、表语或同位语。
常见的名词性从句包括:1. 主语从句:连接词可以是that, whether, if等。
例如:"That he is my friend" means a lot to me.2. 宾语从句:连接词通常是从属连词that, whether, if等。
例如:"I don't know where he went."3. 表语从句:连接词可以是that, whether, if等。
例如:"The problem is whether we should go or not."4. 同位语从句:通常由that引导,用来解释或概括前面名词的内容。
例如:"The fact that he succeeded surprised everyone."二、形容词性从句形容词性从句用来修饰名词或代词,常用连接词有that, who, whom, whose, which, when, where, why等。
例如:"I love the book that you recommended."三、副词性从句副词性从句用来修饰动词、形容词或副词。
常见的副词性从句有:1. 时间状语从句:连接词有when, while, before, after, since等。
例如:"He called me when he arrived."2. 地点状语从句:连接词有where, wherever等。
例如:"I will go wherever you go."3. 原因状语从句:连接词有because, since, as等。
专题03名词性从句目录考点聚焦:核心考点,有的放矢重点速记:知识点和关键点梳理,查漏补缺牛刀小试:知识点和关键点训练,能力提升学以致用:提升专练,全面突破考点一主语从句考点二宾语从句考点三表语从句考点四同位语从句考点一主语从句在主从复合句中,作主语的是一个从句,这个从句就称为主语从句。
主句从句可以由连词、连接代词或连接副词引导,且不能省略。
另外,主句的动词大多用be动词或其他系动词。
连词that,whether引导主语从句,在从句中不作任何成分,不能省略。
由它们引导的主语从句,多用it作形式主语。
①That she was beautiful was plain to everyone.大家都能看出她很漂亮。
主语从句②It was plain to everyone that she was beautiful.形式主语真正主语(主语从句)说明:①中that是连词,引导主语从句she was beautiful。
that在主句从句中不作任何成分,也没有词义,that 不能省略。
由that引导的主语从句可改写为由it作形式主语的句子②。
①Whether he’ll come(or not)hasn’t been decided.他是否会来,还没定下来。
主语从句谓语②It hasn’t been decided whether he’ll come or not.形式主语真正主语(主语从句)③(误)It hasn’t been decided if he’ll come.(误)If he’ll come hasn’t been decided.说明:①中whether引导主语从句,whether在从句中不作任何成分,但有含义,意为“是否”,whether不能省略。
此句中,因为主句的时态为现在时态,所以主语从句的时态不受主句的限制。
由whether引导的主语从句常可改写为②,即一个由it作形式主语的句子。
高一英语语法复习知识点一、名词性从句名词性从句用来作句子成分,可以充当主语、宾语、表语、同位语等。
常见的名词性从句有:宾语从句、主语从句、表语从句和同位语从句。
宾语从句:宾语从句作为主句的宾语,常引导动词后面的宾语。
例如:I know that he is coming.我知道他要来了。
主语从句:主语从句作为主句的主语,常出现在句首位置。
例如:What he said is true.他说的是真的。
表语从句:表语从句用来说明主语的特征、状态或性质,常用系动词连接。
例如:The fact is that he didn't come.事实是他没有来。
同位语从句:同位语从句用来解释或说明名词的内容,常跟在某些名词后面。
例如:The news that he won the championship excited everyone.关于他赢得冠军的消息让每个人兴奋。
二、形容词性从句形容词性从句用来修饰某个名词或代词,相当于形容词的作用。
常见的形容词性从句有:定语从句和插入语从句。
定语从句:定语从句用来修饰名词或代词,起限制或补充说明的作用。
通常由关系代词或关系副词引导。
例如:The book that I borrowed from the library is very interesting.我从图书馆借来的这本书非常有趣。
插入语从句:插入语从句用来对整个句子或其中一部分进行补充说明,常用逗号或括号隔开。
例如:She arrived late, which made the teacher angry.她迟到了,这让老师很生气。
三、副词性从句副词性从句用来起状语的作用,修饰动词、形容词或副词。
常见的副词性从句有:时间状语从句、地点状语从句、方式状语从句、条件状语从句、目的状语从句、原因状语从句和结果状语从句。
时间状语从句:时间状语从句用来表示动作发生的时间,常由时间连词引导。
例如:I will call you when I arrive at the airport.我到达机场时会给你打电话。
高中英语知识点归纳名词性从句名词性从句是英语中的一个重要语法知识点,它在句子中起着名词的作用。
名词性从句一般由连接词引导,可以作主语、表语、宾语、同位语等。
它的运用能够使句子更加丰富多样,增加表达的灵活性。
本文将对名词性从句的几种常见情况进行归纳总结。
一、名词性从句作主语名词性从句可以作为句子的主语,它承担了动词的逻辑主语的地位。
常用的连接词有:that, whether, if等。
1. 引导词为that的情况:例如:That he didn't come as he had promised was disappointing.翻译:他没有按照承诺的那样来,真令人失望。
2. 引导词为whether/if的情况:例如:Whether he will come or not remains unknown.翻译:他是否会来还是个未知数。
二、名词性从句作表语名词性从句可以作为句子的表语,表达主语的性质、特点、状态等。
常用的连接词有:that, whether, what等。
例如:It is unclear whether he is telling the truth or not.翻译:他是否在说真话还不清楚。
三、名词性从句作宾语名词性从句可以作为句子的宾语,接在及物动词、介词后面。
常用的连接词有:that, whether, if, what, who, whom, which, whose等。
1. 当宾语从句是及物动词的宾语时,常用连接词是that。
例如:He said that he would come tomorrow.翻译:他说他明天会来。
2. 当宾语从句是介词的宾语时,常用连接词是whether/if, 当介词为介词to时,连接词也可以用为不定式to。
例如:She is not sure about whether/if he will join us.翻译:她不确定他是否会加入我们。
高考语法专题:三大从句(名词性从句、定语从句、状语从句)(学生版)一、名词性从句种类作用热身训练·先练后背主语从句在复合句中作主语,相当于名词,一般置于谓语之前,也可用it作形式主语,主语从句放在主句之后①__________he will come or not doesn’t mattermuch.②__________comes here will be welcome.③It is certain________he will come.表语从句在复合句中作表语,相当于名词,位于系动词之后④It looks________it is going to snow.答案as if宾语从句在复合句中作宾语,相当于名词⑤He asked me________team could win the game.同位语从句放在名词(news, problem, idea,suggestion, advice, thought, hope, fact等)之后,表明其具体内容⑥You have no idea________worried we are.⑦The fact________he lied again greatly surprised us.引导连词that 引导连词whether/if 连接代词what, who, whom, whose,which, whatever, whoever,whichever,whomever等连接副词where, when, why, how,whenever, wherever,however等主语从句不能省略that,不作成分,没有词义用whether,不用if。
不作成分,“是否”之意what, whatever, which,whichever用来指物,who,whom, whoever,whomever用来指人。
连接代词在名词性从句中作主语、宾语、表语或定语等连接副词在名词性从句中作状语。
名词性从句在句子中起名词作用的句子叫名词性从句 (Noun Clauses)。
名词性从句的功能相当于名词词组 , 它在复合句中能担任主语、宾语、表语、同位语、介词宾语等,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主语从句、宾语从句、表语从句和同位语从句。
第一节知识点讲解顾名思义,主语从句在句子中作主语。
有时本身出现在主语的位置上,也有时出于句子结构的考虑退到句子的尾部,前面用形式主语 it 代替。
从句作主语时,谓语动词一般为单数形式。
如 :What I saw was beyond any verbal description.That his hair was turning grey worried him a bit.Why the company denied the contract is still unknown.When and where the government will build a city square is under discussion.It is pretty annoying that a small part of the machine is missing.It remains to be seen whether the new novel will be well received.Tips: 主语从句的 that 绝对不能省去。
因为句子是不能做主语的,故用 that 引导。
若去掉则没有了主语,而宾语从句的 that 可省。
主语从句: That he is right is known to all of us.宾语从句: We all know (that) he is right.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。
名词性从句详解名词性从句包括主语从句、表语从句、宾语从句、同位语从句。
其关联词有连接词that,if,whether;疑问代词who,what,which和疑问副词when,where,how,why等。
一.语法讲解1.主语从句主语从句在句中做主语。
它可以放在主句谓语动词之前,但多数情况由it作形式主语,而把主语从句放在主句之后。
例如:Who did that is known to all.It is interesting that you should like him.2.表语从句表语从句在句中作表语,位于主句中的系动词之后。
如:The question is who can complete the difficult task.表语从句不能用if引导,但可用as if引导。
例如:He looked as if he was going to cry.3.同位语从句同位语从句跟在名词后面,进一步说明该名词的具体内容。
引导同位语从句的名词主要有fact,news,promise,idea,truth等。
连接词用that(不用which),及连接副词how,when,where,why等。
例如:His delay is due to the fact that the car went wrong halfway.The news that our team has won the match is true.She asked the reason why there was a delay.4.宾语从句1.宾语从句在句中作及物动词或介词的宾语。
例如:We can learn what we did not know.He will talk to us about what he saw in the U.S.如果主句的谓语动词是及物动词make,find,see,hear等,则把宾语从句置于宾语补足语之后,用it作为形式宾语。
高中英语知识点归纳名词性从句的用法名词性从句是英语中一个重要的语法结构,它可以在句子中充当名词的作用。
名词性从句可以作主语、宾语、表语和同位语等,它的引导词有很多种,比如that, whether, who, whom, whose, which, what, when, where等。
本文将对名词性从句的用法进行归纳总结。
1. 名词性从句作主语名词性从句作主语时,常用it代替整个从句,并将从句放在句子的后面。
例如:It is important that we learn English well.(我们学好英语很重要。
)2. 名词性从句作宾语名词性从句作宾语时,常与一些动词或介词搭配使用。
例如:I believe that he will come.(我相信他会来。
)She is not sure whether he likes her or not.(她不确定他是否喜欢她。
)They asked me what time the train would leave.(他们问我火车什么时候开。
)3. 名词性从句作表语名词性从句作表语时,常用it代替整个从句,并将从句放在句子的后面。
例如:The important thing is that we try our best.(重要的是我们尽力。
)4. 名词性从句作同位语名词性从句作同位语时,修饰前面的名词,起进一步说明或解释的作用。
例如:The fact that he lied surprised me.(他撒谎的事实使我吃惊。
)除了以上几种常见的使用方式,名词性从句还有一些特殊的用法。
5. 名词性从句与疑问词连用名词性从句与疑问词连用时,疑问词可以是关系代词或关系副词,例如:I don't know who will come.(我不知道谁会来。
)Please tell me where you were last night.(请告诉我你昨晚在哪里。
高一英语必修3名词性从句讲解在句子中起名词作用的句子叫名词从句(Noun Clauses)。
名词从句的功能相当于名词词组, 它在复合句中能担任主语、宾语、表语、同位语、介词宾语等,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主语从句、宾语从句、表语从句和同位语从句。
一、引导名词性从句的连接词引导名词性从句的连接词可分为三类:连接词:that,whether,if 不充当从句的任何成分)连接代词:what, whatever, who, whoever, whom,whose, which.连接副词:when, where, how, why不可省略的连词:1. 介词后的连词2. 引导主语从句和同位语从句的连词不可省略。
That she was chosen made us very happy.We heard the news that our team had won.比较:whether与if 均为"是否"的意思。
但在下列情况下,whether 不能被if 取代:1. whether引导主语从句并在句首2. 引导表语从句3. whether从句作介词宾语4. 从句后有"or not"Whether he will come is not clear.大部分连接词引导的主语从句都可以置于句末,用it充当形式主语。
It is not important who will go.It is still unknown which team will win the match.二、名词性that-从句1)由从属连词that引导的从句叫做名词性that-从句。
That只起连接主句和从句的作用,在从句中不担任任何成分,本身也没有词义。
名词性that-从句在句中能充当主语、宾语、表语、同位语和形容词宾语,例如:主语:That he is still alive is sheer luck.他还活着全靠运气。
专题三名词性从句名词性从句可分为主语从句、表语从句、宾语从句和同位语从句。
一、引导名词性从句的连接词1.连接代词:who, whose, whom, what, which, whoever, whomever, whatever, whichever。
有词义,在从句中担任成分,如主语、表语、宾语、或定语等。
2.连接副词:when, where, why, how, because, wherever, whenever。
有词义,在从句中担任成分,作状语。
3.连接词:that, whether, if, as if. that 无词义,在从句中不担任成分,有时可省略;if (whether) (是否), as if(好象)虽有词义,但在从句中不担任成分。
二、名词性从句的种类(一)主语从句1.主语从句在复合句中作主语。
Who will go is not important.2.用it作形式主语,主语从句放在句末。
It doesn’t matter so much whether you will come or not.3.用it 作形式主语的常用结构1) It 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 +不及物动词+从句It seems / appears that… 似乎…It happened that… 碰巧…4) It is +过去分词+从句It is reported that… 据报道…It has been proved that… 已证实…It is s aid that… 据说…4.that引导主语从句时,不能省略。
高一从句语法知识点从句是复合句中的一种句子成分,它可以在主句中担任名词、形容词或副词的作用。
掌握从句的语法知识对于高一的学生来说非常重要,因为它能够帮助他们丰富句子结构,提高写作表达的能力。
本文将介绍高一阶段常见的从句语法知识点。
一、名词性从句名词性从句可以在句子中充当主语、宾语、表语和同位语。
1. 主语从句主语从句在句子中充当主语的角色,引导词一般有“that”和“whether/if”。
例如:- That he won the competition surprised us all.- Whether you can come to the party is still uncertain.2. 宾语从句宾语从句在句子中充当宾语的角色,引导词可以是“that”、“whether/if”或连接代词/副词如“what”、“who”、“where”等。
例如:- I think (that) she is a talented singer.- May I ask if you have finished your homework?3. 表语从句表语从句在句子中充当表语的角色,引导词通常是“that”。
例如:- My belief is that honesty is the best policy.- His answer was that he couldn't make it to the meeting.4. 同位语从句同位语从句用于说明或解释一个名词,放在这个名词的后面,引导词通常是“that”。
例如:- The news that she got admitted to her dream university excited us all.- I have no doubt that he will succeed in his career.二、定语从句定语从句用来修饰名词或代词,通常放在被修饰词后面。
2020高考英语语法专题汇总(三):名词性从句(附例题及电子版)在复合句中起名词作用的从句叫作名词性从句。
包括主语从句、宾语从句、表语从句和同位语从句。
注:由于名词性从句在句中不同的句法功能(即名词性从句在复合句中,能充当主语、宾语、表语、同位语等。
)相应地,名词性从句可以分为主语从句、宾语从句、表语从句和同位语从句。
2主语从句主语从句可直接放在句首,也可用形式主语it代替,而将主语从句后置。
•that引导的主语从句1)that引导的主语从句置于句首(that此时在从句中不充当任何成分,无含义,只起连接作用,不能省略)That the earth moves around the sun is known to all.注:从句作主语,谓语动词用单数形式。
2)在that引导的主语从句中,常用it作形式主语,that引导的真正的主语从句后置,常见的此类句型有:①It+系动词+形容词+that从句。
常用于这种结构的形容词有:It is likely that he can’t come to the meeting.It is obvious that you have made a big mistake.注:It isnecessary/important/surprising/strange/unthin kable/unbelievable/incredible that+主语(should)+动词原形+其它。
例:It is necessary that a college student (should) master one or two foreign languages.It is strange that you (should) trust Jane.②It+系动词+名词+that从句。
常用于这种结构的名词有:It is a pity that you didn’t attend the lecture yesterday.It is no wonder that you’ve achieved so much success.③It+ be+过去分词+that从句。
高一英语语法名词性从句学习的都是基础,那些对英语不敢兴趣的人可能也没有学到什么,英语对于大部分来说都是一个难题,下面给大家分享一些关于高一英语语法名词性从句,希望对大家有所帮助。
that 从句1、主语从句(1)that 从句作主语时,常用 it 作形式主语,常见的句型有:It+be+形容词(obvious,true,natural,surprising,good,wonderful,funny,possible,likely, certain,probable,etc.)+that 从句It+be+名词词组(nowonder,anhonor,agoodthing,apity,nosurprise,etc.)+that 从句It+be+过去分词(said,reported,thought,expected,decided,announced,arranged,etc.)+that 从句(2)that 可以省略,但 that 从句位于句首时,that 不能省略。
2、宾语从句(1)常见的可以接 that 从句作宾语的动词有see,say,know,imagine,discover,believe,tell,show,think,consider,besure, beafraid 等。
在可以接复合宾语的动词之后,如 think,make,consider 等,可以用 it作形式宾语。
(2)That 从句一般不能充当介词宾语,偶尔可作 except,in 的宾语。
3、表语从句(that 不可省略)4、同位语从句连词 that 引导同位语从句时,应在某些抽象名词之后,如:fact,hope,desire,thought,suggestion,idea,news,problem,possibility 等,对前面的名词起补充说明的作用,that 在从句中不担当任何成分,不能省略。
whether/if 从句1、在表语从句和同位语从句中只能用whether 不能用 if;当主语从句放于句首时,只能用whether 不用 if;当 it作形式主语,主语从句放在句末时用whether 或 if 均可;discuss 后引导宾语从句时,必须用 whether。
高三语法专题名词性从句主语从句,表语从句,宾语从句和同位语从句在复合句中的作用相当于名词,因此这四种从句统称为名词性从句。
一:名词性从句的引导词1;连接词:that, if, whether.只起引导作用,在句中不充当任何成分.其中that不翻译出来,没有任何含义;而if和whether翻译成”是否”。
Eg: That this has happened is not uncertain.We cannot be sure whether /if our dreams will come true.2:连接代词:who, , whose, which, what, whatever, whoever, whichever.在句中要充当主语,宾语,表语.I wonder what you are thinking about.Can you imagine what will happen next?My hometown is not what it used to be.3;连接副词:where, when, how, why, how soon, how often, how long, how much.在句中充当相应的状语.When he will hold the meeting has been decided.This is how Henry solved the problem.二:名词性从句的分类与引导词一):主语从句主语从句在复合句中作主句的主语,引导主语从句的词有,that, whether, who, what, which, whoever, whichever, whatever, when, where, how, why等。
Whether we will succeed is still a question.Whoever comes to the party will receive a present.注:1. 主语从句的主谓一致1).主语从句通常被看作一个整体,主句的谓语动词用单数形式.That they will come is certain2).由who, whoever引导的主语从句的单复数要视从句中的单复数而定. Whoever say that are to be punished.Who he is doesn’t concern me.3).What 引导主语从句时,主句谓语动词的单复数由表语的单复数决定.What he wants are these books.What he wants is some water2. 有时为了平衡句式,常用it 做形式主语,而把从句放在后面.It is a pity that she has made such a mistake.It depends on the climate whether they are going shopping today.It is believed that he is a talent二).宾语从句宾语从句在复合句中作主句的宾语,引导宾语从句的词有,that, whether, who, what, which, whoever, whichever, whatever, when, where, how, why等。
宾语从句一般放在动词,形容词或介词后。
She has told us (that) she will give us a hand.He asked me how I was getting along with my new classmates.I’m afraid that I have made a mistake.I was interested in what he was doing.注:1. 有时要用it 作形式宾语,而把宾语从句放在句子的后面。
He has made it clear that he will not give in.You may depend on it that they are valuable.2. 如do you think/believe/suppose/expect/imagine后接特殊疑问词引导的宾语从句,疑问词要放在居首。
What do you think is going on outside?When do you believe he will held the meeting3. I/We (don’t) think/believe/suppose/expect/imagine后接宾语从句时,反义疑问句要与从句中的主语和谓语保持一致。
I don’t suppose he cares, does he?4. that引导,通常that可以省略(但that引导其他名词性从句时不可省略)She has told us (that) she will give us a hand.三).表语从句表语从句在复合句中作主句的表语,引导表语从句的词有,that, whether, who, what, which, whoever, whichever, whatever, when, where, how, because等。
表语从句一般放在系动词后。
The reason is that I’v e been too busy these days.That is where he spent his childhood.The coat is where you left it.三).同位语从句的概念在复合句中用作同位语的从句叫做同位语从句。
它一般跟在某些名词后,用以说明该名词表示的具体内容。
引导同位语从句的词有,that, whether, who, what, which, when, where, how, why等.常放在fact, news, idea, truth, hope, problem, information suggestion, possibility 等名词后面,用以说明该名词的具体内容。
I heard the news that our team had won.We haven’t settled the question where we will spend our holidays.The question who should do the work requires consideration .2.有时用namely(即),that is to say(也就是说),that is (那就是)等引出同位语或同位语从句。
There is only one way of improving your English , that is , to practice more.He told us the good news, namely, the museum is open to all.三:名词性从句的难点和考点1.语序问题。
名词性从句要用陈述语序The photographs will show you what our village looks likeYou can hardly imagine how excited he was when he heard the news2:引导词that和what的区别What在从句中要充当主语,宾语或表语,这时what相当于all that/everything that等常译作“所…..的(东西,事情,话等)”。
而that只起连接作用,本身无实际意义,在从句中不充当任何成分,that引导主语从句放在居首时不能省略。
What I can’t understand is why he has changed his mind.That the earth is round is known to us all.2.引导词if 和whether的区别if 和whether引导动词后的宾语从句时可以通用,但介词后的宾语从句,主语从句,表语从句和同位语从句不能用if引导。
I don’t care if/whether he will come to my party.I worry about whether I hurt her feelings.Whether she will go home or not is unknown.The question is whether we can collect enough money.3.引导词Who 和whoever的区别引导名词性从句时,whoever相当于anyone who或those who它既是从句的主语又是主句的主语。
而who只做从句的主语,它引导的从句才是主句的主语。
Whoever has helped to save the drowning girl is worth praising.Who will be elected the president doesn’t make much difference to me.4.同位语从句与定语从句的区别同位语从句用于解释前面名词的内容,从句本身是一个完整的句子,所以其前面的名词在同位语从句中不作任何成分;而定语从句对它前面的名词加以限制和修饰,从句本身不完整,因此其前的名词在定语从句中通常做主语,宾语或表语等成分。
The news that Mr. Brown will be our new English teacher is true.The news that he told me yesterday is true.I’ve no idea that Kate has been to shanghaiThe book (that) I bought yesterday was written by LuXun.5.Whoever 与no matter who ,whatever 与no matter what的区别。
Whoever whatever即可引导名词性从句也可引导让步状语从句;而No matter what和No matter who 只引导让步状语从句。
Whatever(=No matter what) you may think, I’m going ahead with my plans.Whoever(=No matter who) you are, you can’t pass the way.Take whatever you need and leave me alone.Whoever did this job must be rewarded.6.名词性从句中的语气。