名词性从句连接词用法
名词性从句与连接词的关系及例句整理

名词性从句与连接词的关系及例句整理名词性从句是指在句子中充当名词的从句。
它可以在句子中担任主语、宾语、表语、同位语等成分。
而连接词是将名词性从句与主句连接起来的词语,起到引导和连接的作用。
名词性从句与连接词之间的关系密切,正确使用连接词可以更好地构建句子。
一、名词性从句的引导词及作用1. 从属连词"that"和"whether/if"从属连词"that"引导的从句多用作宾语,可以代替较正式的"whether/if"。
比如:- I don't know that he will come to the party.- I don't know whether/if he will come to the party.2. 连接代词"what", "where", "when", "which"和"who"连接代词本身在名词性从句中充当主语、宾语、表语或同位语。
比如:- What she said surprised me. (作宾语)- Where he lives is a mystery. (作主语)- This is the place where we met. (作表语)- The question is which is better. (作同位语)- I'm not sure who will win the game. (作宾语)3. 连接副词"how", "why"和"whether/if"连接副词一般引导名词性从句作表语或宾语。
比如:- The question is how we can solve the problem. (作表语)- He asked me why I was late. (作宾语)- I'm not sure whether/if it will rain tomorrow. (作表语)二、名词性从句的例句整理1. 主语从句主语从句在句子中充当主语,常由连接代词"what", "where", "when", "which", "whether/if"等引导。
名词性从句的用法

3. It’s known to us ____there is pollution, there is harm. A. that B. where C. what D. that where
一.相关概念
1.名词: 表示人或事物的名称的词叫名词。
2.名词的句法作用:名词在句中主要作主语,宾 语,表语和同位语。另外还可以作定语,状语。
3.名词性从句: 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 这个句子就
叫名词性从句。
4.名词性从句的种类: 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。
that… It is clear/necessary/certain/true/doubtful/… that… It is a pity/a shame/an honour/… that… It doesn’t matter whether… It seems that…/It happens that…
4.____is known to us all that the earth is smaller than the sun.
A.What, B. As, C. Which, D. It,
5. ____we can’t get seems better than _ _
we have.
A. What; what B. What; that
04、(08上海春卷’ 40) ______ we are sure about is
名词性从句的用法及分类

名词性从句的用法及分类名词性从句是由一个从属连词引导的句子,在句中充当名词的成分。
它可以在复合句中作主语、宾语、表语或补语。
名词性从句分为宾语从句、主语从句、表语从句和同位语从句等几种类型。
一、宾语从句宾语从句在复合句中作为主句的宾语,起到名词的作用。
它通常由连接词“that, whether/if, what, when, where, which, who, whom, whose, why, how”等引导。
1. 名词性从句作为宾语的例子:- John doesn't know what he should do in this situation. (主句:John doesn't know)- She asked if we could help her with the project. (主句:She asked)- I wonder where they went on vacation. (主句:I wonder)二、主语从句主语从句在复合句中作为主句的主语,起到名词的作用。
它通常由连接词“that, w hether/if, what, when, where, which, who, whom, whose, why, how”等引导。
2. 名词性从句作为主语的例子:- What she did was beyond my expectation. (主句:What she did was)- Whether he will come is uncertain. (主句:Whether he will come) - It is important that we all work together. (主句:It is important)三、表语从句表语从句在复合句中作为主句的表语,起到名词的作用。
它通常由连接词“that, whether/if, what, when, where, which, who, whom, whose, why, how”等引导。
英语语法名词性从句用法小结

英语语法名词性从句用法小结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、同位语等,因此根据它在句中不同的语法功能,名词性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. 名词性从句的连接词引导名词性从句的连接词可分为四类:1. that(无含义,不充当成分)2. whether, if(有“是否”的含义,但不充当成分)3. 连接代词:what, whatever, who, whoever, whom, whomever,whose, which,whichever.(在从句中做主语、宾语、表语和定语)连接副词:when, whenever,where,wherever, how, however,why(在从句中做状语)4. as if,as though,because(不充当成分,在名词性从句中只引导表语从句)二. 四类名词性从句语法要点1.主语从句在整个句子中用作主语的从句叫主语从句。
What he wants to tell us is not clear.他要跟我们说什么,还不清楚。
It is known to us how he became a writer.我们都知道他是如何成为一名作家的。
Where the English evening will be held has not yet been announced.英语晚会将在哪里举行,还没有宣布。
it 作形式主语:有时为避免句子头重脚轻,常用形式主语it 代替主语从句作形式主语放于句首,而把主语从句置于句末。
It is clear that he is innocent in the accident.很明显,他在这场事故中是无辜的。
2. 宾语从句在整个句子中用作宾语的从句叫宾语从句。
He has told me that he will go to Shanghai tomorrow.他已经告诉我他明天要去上海。
英语名词性从句的连接词选用

名词性从句的连接词选用名词性从句的连接词选用名词性从句包括主语从句,表语从句,宾语从句和同位语从句引导同位语从句的词通有连词 that ,whether ,连接副词,连接副词how,when,where 等。
(注:if 不能引导同位语从句。
)。
在各种考试中,其最主要的考查内容为连接词的选用。
名词性从句的连接词可细分为以下四种:(1)以that 来引导从句;(2)以whether/if 引导从句;(3)以特殊疑问词引导从句;(4)以关系代词/副词引导从句。
副词引导从句。
一、以that 引导从句引导从句当从句的意思已完整时,名词性从句用that 引导,that 在从句中不作任何句子成分,仅起连接作用。
如:接作用。
如:It is certain that he will do well in his new job. (主语从句)(主语从句)Do you know that he has been admitted to Beijing University? (宾语从句)(宾语从句)My decision is that we are to start at 6 tomorrow morning. (表语从句)(表语从句)The news that our team had won the game excited everybody. (同位语从句)(同位语从句) 当用that 引导从句时,需注意以下情况:引导从句时,需注意以下情况:1.在主语从句中,that 一般不可省略,尤其是当主语从句位于句首时,它绝对不可省略。
如:如:That our team had won the game was good news to us.2.在宾语从句中,that 可省略。
但当句中有两个并列的宾语从句时,引导第二个宾语从句的that 不可省略。
如:不可省略。
如:Everybody knows (that) the earth goes round the sun. Everyone knew what happened and that she was worried.3.当句子是以it 作形式宾语时,引导宾语从句的that 不可省略。
英语名词性从句讲解【完整版】

2、I asked him if he could do me a favor .
If与whether的区别:
1、If不能引导放于句首的主语从句,而whether可以。 2、引导表语从句用whether,不用if。 3、引导同位语从句用whether,不用if。 4、whether可以引导从句作介词的宾语,不用if 。 5、whether or not 连在一起可以,但if不可以。而 “whether-----or not = if -----or not”
同位语从句:
定义:在复合句中充当同位语的句子。 同位语从句用来对其前面的抽象名词进行解释说明,被解释说明的词和 同位语在逻辑上是主表关系。 同位语常见名词:fact, suggestion, advice, idea, decision, news, thought, hope, belief, truth, doubt, promise, possibility, truth, warning, message, reason, report, question,explanation, wish, problem等。 常见的连接词:that, whether, what, who, how, when, where等。 用法: The thought that I want to buy my mother a birthday gift makes me excited.that 引导的同位语从句,解释说明 thought,从句不缺成 分 There is some doubt whether he will come. whether 引导同位语从句,if 不能引导同位语从句 we haven’t made the decision where we are going to spend our vacation. 有时同位语从句可以不紧跟解释说明的名词后面。 The news is surprising that he won the match.
名词性从句中连接词的用法

名词性从句中连接词的用法名词性从句是一个在句中充当一个名词的从句。
它可以作为主语、宾语、表语、同位语或介词的宾语。
连接词在名词性从句中起到引导从句的作用,常见的连接词有:that, whether, who, whom, whose, which, what, when, where, why, how等。
下面将详细介绍名词性从句中这些连接词的用法。
1. 连接词“that”连接词“that”在名词性从句中的使用非常常见,尤其在作为主语或宾语时。
例如:- 主语从句:That he is late is unacceptable.- 宾语从句:I believe that he will come back.2. 连接词“whether”连接词“whether”常用于表示选择或疑问的情况,用于引导名词性从句作为宾语。
例如:- I don't know whether he is coming or not.- Please let me know whether you can attend the meeting.3. 连接词“who/whom/whose”这些连接词用于引导名词性从句中的主语或宾语从句,分别对应着人的身份、人的宾语以及人的所有格。
例如:- 主语从句:Who will go with me is not decided yet.- 宾语从句:I don't know whom he is talking to.- 表语从句:The one whose car was stolen has already reported to the police.4. 连接词“which/what”连接词“which/what”通常用于引导名词性从句中的主语或宾语从句,其中“which”用于限定从句,而“what”用于不限定从句。
例如:- 主语从句:Which color to choose is a difficult decision.- 宾语从句:She doesn't know what he wants.- 同位语从句:The news that she won the competition is exciting.5. 连接词“when/where/why/how”这些连接词分别表示时间、地点、原因和方式,用于引导名词性从句中的宾语从句。
语法突破技巧名词性从句的连接词与用法

语法突破技巧名词性从句的连接词与用法名词性从句是从句用作主语、宾语、表语或同位语的句子。
在英语语法中,连接词是将名词性从句与主句连接起来的关键。
一、连接词的种类1. 引导主语从句的连接词:(1)that:用于陈述句,作为主语从句的引导词。
例如:"That he is late is not surprising."(2)whether/if:用于陈述句或者是一般疑问句,作为主语从句的引导词。
例如:"Whether/If he is late is not surprising."2. 引导宾语从句的连接词:(1)that:用于陈述性宾语从句,例如:"I know that he is late."(2)whether/if:用于是否疑问宾语从句,例如:"I don't know whether/if he will come."(3)连接代词who, whom, whose, which, what:作为主语从句来引导名词性从句,例如:"I don't know who/whom is responsible for this mess."3. 引导表语从句的连接词:(1)that:用于陈述性表语从句,例如:"My belief is that he is late."(2)连接代词who, whom, whose, which, what:作为表语从句的引导词,例如:"My concern is who/whom is responsible for this mess."4. 引导同位语从句的连接词:(1)that:用于同位语从句,例如:"The fact that he is late is not surprising."(2)连接代词who, whom, whose, which, what:作为同位语从句的引导词,例如:"His claim that he is late is not credible."二、使用技巧1. that的使用:(1)作为引导词时,可以省略在主语从句和表语从句中,例如:"What surprises me is (that) he is late."(2)如果主句的动词是感觉动词(feel, believe, think, etc.)时,可使用that引导名词性从句。
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2) I wonder whether to tell her or not.
3. 其后紧接“or not”时。如: 1) He didn’t say whether or not he would be staying there.
3) Will you show me _w_h__a_t _ you bought? 4) She is no longer _w_h_a_t__ she was five
years ago.
从句缺主语、宾语或表语,要加上“什么, 所…的事或物”句子意思才完整的,用 what 引导。
连接代词用法: whatever(无论什么都,任何…的东西/事或物)在
从句中可作主语、宾语或表语 1) _W_h_a_t_e_v_e_r_ she does is ridiculous. 2) __W_h_a_t_e_v_e_r_ I have done is only for you. 3) Choose __w_h_a_t_e_v_e_r___ you like.
4) That was __w_h__e_n___ I was thirty. 那就是我三十岁的时候。
从句缺时间状语,要加上 “什么时 候” ,“……的时候 ”, 句子意思 才完整的,用when引导。
how 常译作“怎样” ,“……的方式 ”,在句 中作方式状语 。
1)Everyone knew _h_o_w____ Yaoming became a success.
从句缺方式状语,要加上 “怎样” , “……的方式 ”, 句子意思才完整的, 用how引导。
why 常译作“为什么” ,“……的原因 ”, 在句中作原因状语 。
1)He didn’t know _w_h__y_ he didn’t pass the exam.
2) I wonder __w_h_y____ she refused my invitation.
你可以选择你最喜欢的哪一个。
2) Take_w__h_ic_h_e_v_e_r___ you want.
你要哪个就拿哪个
从句缺主语、宾语、表语和定语,要加上 “任何…的东西, 随便哪一个)”句子 意思才完整的,用whichever引导。
who (常译作“谁”, “ ……的人” ), 在句中 作主语或表语。
time.
从句不缺任何句子成分,但句子意思未完整,要 加上“是否”句子意思才完整的,用whether /if引导。但要注意:宾语从句从句位于句首、 主语从句位于句首、表语从句、同位语从句不 能用if 引导。
连接代词用法:
what(什么,所…的事或物,)作主语、宾语、表 语
1) _W_h_a_t__ we need is more time. 2) This is _w__h_a_t___ we want.
3)That is_w__h_e_re___ Lu Xun used to live.
4)That is _w_h_e_r_e___ we often have a chat.
5) __W__h_e_re___ the English evening will be held has not yet been announced. 从句缺地点状语,要加上 “哪里” , “……的地方 ”, 句子意思才完整的, 用where引导。
2)Would you please tell me _h_o_w____I can finish the work in the shortest possible time?
3) That was _h_o_w___ she was treated by the boss. 她就是这样受到老板的对待
通用,但下列情况只能用whether,不用if: 1. 作discuss或介词的宾语时。如: 1)We discussed whether we should close the
shop.
2) Everything depends on whether we have enough money.
一切要看我们是否有足够的钱。 3) I worry about whether I hurt her feelings. 2. 后接动词不定式时。如:
3) He didn’t study hard, that’s __w_h_y____ he didn’t pass the exam.
从句缺原因状语,要加上 “为什么” , “……的原因 ”, 句子意思才完整的, 用why引导。
whether 和if的区别: • whether与if 作“是否”的意思讲时,一般情况可以
2) I don’t care whether or not your car breaks down. 4. 在whether… or whether… 句式中。 如:
I wonder whether he’ll go himself or whether he’ll send a friend to go. 5. 引导主语从句或宾语从句置于句首时。 1)Whether this is true or not, I can’t say. 2) Whether he could come was uncertain. 6. 引导表语从句、同位语从句时。 1) The question is whether he should have a low opinion of this test. 2) The problem is whether she can arrive on time. 3) The question whether we need more time to do the work has not been discussed.
意义
在从句中的作 用
什么时候/…的时 时间状语 候
哪里/…的地方 地点状语
为什么/…的原因 原因状语
ห้องสมุดไป่ตู้
怎样/… 的方式 方式状语
that, 无义,在句中不担任任何句子成分, 1)He has told me _(t_h_a_t_) __ he will go to
Shanghai tomorrow. 2)We must never think _(_t_h_a_t)___ we are
从句缺主语、宾语或表语,要加上“无论 什么,任何…的东西/事或物”句子意思才 完整的,用whatever 引导。
which(哪一个,哪一些)在句中作主语、 宾语、表语和定语。
1) He asked me _w_h_i_c_h_ class I was in.
2) They are twins. So that I can’t tell _w_h_i_c_h___ is which.
whom 常译作“谁”, 在句中作宾语 。 I wanted to know _w__h_o_m___ she borrowed
the money from.
从句缺宾语,要加上 “谁”, 句子意思 才完整的,用whom引导。
whose 常译作“谁的”, 在句中作定语 。 He asked me _w_h_o_s_e____ handwriting was
whether/if 作“是否”解,在句子中不充 当句子成分。
1) W__h_e_t_h_e_r__ this is true or not, I can’t say.
2) I can’t say _w_h__e_th__e_r_/_if__ this is true or
not.
3) _W__h_e_t_h_e_r__ he could come was uncertain. 4) The problem isw__h_e_t_h_e_r_she can arrive on
good in everything while others are good in nothing.
3) I had no idea ___th_a_t___ you were here. 4) The fact is _th__a_t ____ we have lost the
game.
什么时候用连接词that? 如果从句句子成分不残缺,句子意思完整,用that 引导。
复合句
• 一、 复合句的定义 • 复合句又称主从复合句,由一个主句和一个或一
个以上的从句构成,主句为句子的主体,从句不 能独立,只用作句子的一个成分,如主语、宾语、 表语、同位语、定语、状语(包括地点、条件、 时间、原因、让步、结果等状语)。从句担任哪 个句子成分,这个从句就叫做该成分的从句,如 主语从句、宾语从句、表语从句、同位语从句等。
3) I wonder w__h_ic_h______he like best.
从句缺主语、宾语、表语或定语,要 加上“哪一个,哪一些”句子意思才 完整的,用which引导。
whichever(任何…的东西, 随便哪一个) 在句中作主语、宾语、表语和定语。
1) You can have _w_h_i_c_h_e_v_eryou like best.
when常译作“什么时候” ,“……的时候 ”, 在句中作时间状语 。
1)I wondered _w__h_e_n__he would come back. 2)Do you know _w_h_e_n___he will leave for
Hong Kong? 3) I have no idea ___w_h_e_n__ she will be back.
the best in the class.
从句缺定语,要加上 “谁的”, 句子意 思才完整的,用whose引导。
where常译作“哪里” ,“……的地方 ”,在 句中作地点状语 。