名词性从句总结
高考名词性从句知识点总结
高考名词性从句知识点总结高考是每个学生在学习过程中都会经历的一次重要考试。
在语文科目中，名词性从句是一个常见的考点。
名词性从句是指在句子中充当名词的从句，可以充当主语、宾语、表语或者介词宾语。
下面就来总结一下高考中常见的名词性从句知识点。
1. 主语从句主语从句在句子中充当主语的角色，常用的引导词有：that, whether/if, who, what, which, how等。
例如：- That he is innocent is beyond doubt.（他无辜是毫无疑问的）- Whether/if she will come to the party is still uncertain.（她是否会来参加派对还不确定。
）2. 宾语从句宾语从句在句子中充当宾语的角色，常用的引导词有：that, whether/if, who, whom, whose, what, which等。
例如：- I believe that love can change the world.（我相信爱可以改变世界。
）- I don't know whether/if he will come or not.（我不知道他是否会来。
）3. 表语从句表语从句在句子中充当表语的角色，常用的引导词有：that, whether/if, who, whom, whose, what, which等。
例如：- My dream is that I can travel around the world.（我的梦想是我可以环游世界。
）- The question is whether/if she will accept the offer.（问题是她是否会接受这个提议。
）4. 同位语从句同位语从句用来解释或说明一个名词或代词，常用的引导词有：that, whether/if, who, whom, whose, what, which等。
(完整版)名词性从句知识点总结
(完整版)名词性从句知识点总结名词性从句知识点总结名词性从句是指在复合句中充当名词的从句。
它可以在句子中充当主语、宾语、表语或同位语。
以下是名词性从句的几个重要知识点：主语从句主语从句在句子中充当主语的角色。
它引导的从句通常由关联词that引导，但有时可以省略。
例如：- That he stole the money is a fact.宾语从句宾语从句在句子中充当宾语的角色。
它通常由关联词that引导，但也可以由其他关联词如whether, if, who, whom等引导。
例如：- She asked me if I had finished my homework.if I had finished my homework.- I wonder whether he will pass the exam.whether he will pass the exam.表语从句表语从句在句子中充当表语的角色。
表语从句通常由关联词that引导，但有时也可以由其他关联词如whether, if, what等引导。
例如：- His biggest concern is that he might lose his job.that he might lose his job.- The question is what we should do next.what we should do next.同位语从句同位语从句在句子中充当同位语的角色，用来解释或说明名词的具体内容。
同位语从句通常由关联词that引导，但也可以由其他关联词如whether, if等引导。
例如：- The fact that he lied to us is very disappointing.that he lied to us is very disappointing.- My hope is that we can find a solution to the problem.that we can find a solution to the problem.以上是名词性从句的一些常见知识点总结。
名词性从句总结(易懂版)
英语句子基本结构I（主） love （谓）you（宾）主谓宾I am（系动词） a police.（表语）主系表系动词：be 成为：become 看起来：seem appear look表示变化： go get turn run fall grow 感官：feel taste smell look sound 表示状态：remain stay keep lie stand prove名词性从句：主语从句、宾语从句、表语从句、同位语从句名词性从句就是用一个结构完整句子来代替原先在主语、宾语、表语位置的名词。
一、主语从句1、It 【 (be动词+形容词/名词/过去分词)、动词】 that ……Eg：It is natural that they get married finally. 他们最后结婚了是很自然的事情。
It is out of expectation that they get married finally. 他们最后结婚了是令人出乎意料的事情。
It is a good day that we can enjoy our holiday. 这是个令我们都能享受好天气的日子。
It is reported that he is chosen as the new president of US. 根据报导他成为了新的美国总统。
It seems that she is satisfied with her work. 看起来她对她的工作很满意。
It 充当形式主语，代替的是that 后面的部分。
That不充当句子成分。
2、what在主语从句中充当成分What you said is very important. [ 还原回来是 you said what，证明what充当成分 ]二、宾语从句主语+谓语+从句（从句充当宾语）1、动词（+介词）/形容词 +宾语从句We heard that they got married. 我听说他们结婚了。
名词性从句知识点总结
名词性从句知识点总结名词性从句是一种相当于名词的句子，可以作为主句的主语、表语、宾语或同位语。
根据其在句子中的作用，可以分为主语从句、表语从句、宾语从句和同位从句。
名词性从句的连接词包括连接代词（如who、whose、whom、what、which）、连接副词（如when、where、why、how）和连接词（如that、whether、if、as if）。
其中，连接代词和连接副词在从句中担任成分，而连接词that在从句中不担任成分，只起连接作用。
在使用时，应根据句义选择合适的连接词。
主语从句是一种作为复合句主语的名词性从句。
它可以放在句首或句尾，也可以用形式主语it代替，将主语从句放在句末。
常见的主语从句句型包括it+be+形容词+that从句、it+be+名词词组+that从句和it+be+过去分词+that从句。
在使用主语从句时，需要注意使用正确的连词和语态。
Mr。
Green has XXX.It appears that Alice will not be attending the party.XXX.The n of the meeting is XXX.It is important to note that when a subordinate clause is used as the subject。
the verb should be in the third person singular form.What we need is more time and money.XXX he left or not is unknown.XXX that can be used to introduce a subject clause: XXX "that")。
XXX (such as "whether")。
and relative pronouns and adverbs (such as "what" and "when").It was clear from their XXX were indeed sisters.It is still unclear whether he will come here or not.What she did has yet to be XXX.It is XXX.Everyone is e。
名词性从句总结
名词性从句在句子中起名词作用的句子叫名词从句(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，形容词宾语等。
因此按照它在句中不同的语法功能，名词性从句又可别离称为主语从句、宾语从句、表语从句和同位语从句。
主要考查语序问题，连接词的选用，时态呼应等。
◆名词性从句的一路点：1）主句和从句之间不能用逗号隔开2）从句部份用陈述句语序◆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份连接代词：what, whatever( anything that), who, whom,whoever (anyone who), whose, which,whichever连接副词：when, where, how, why一 . 主语从句作句子主语的从句叫主语从句。
主语从句通常由从属连词that，whether，连接代词what，who，which，whatever，whoever和连接副词how，when，where，why等词引导。
that在句中无词义，只起连接作用；连接代词和连接副词在句中既保留自己的疑问含义、又起连接作用，在从句中充当从句的成份。
That she is still alive is a miracle.It doesn’t matter whether they will come or not.It occurred to him that he failed in the examination.What he wants to tell us is not clear.Who will win the match is still unknown.Whichever book you like would be bought for you as a present.Whatever I do is for the good of you.Whoever leaves the room last ought toturn off the lights.When we should close the shop on the holiday has not been decided.Where the meeting will be held has not yet been announced.It is known to us how he became a writer.Why he did so has not been clear.★有时为避免句子头重脚轻，常常利用形式主语it代替主语从句作形式主语，而把主语从句置于句末。
【英语知识点】名词性从句语法总结归纳
【英语知识点】名词性从句语法总结归纳名词性从句是在句子中起名词作用的句子。
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。
接下来分享名词性从句的语法，供参考。
1.主语从句通常由下列词引导：①从属连词that、whether等。
②连接代词what、who、which、whatever、whoever、whom、whichever等。
③连接副词how、when、where、why等。
that在句中无词义，只起连接作用;连接代词和连接副词都在句中既保留自己的疑问含义、又起连接作用，连接代词主要作主语，宾语，表语，定语等，连接副词在从句中作状语。
注：whom、who指人，what指物，whatever、whoever表示泛指意义。
2.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。
主语从句后的谓语动词一般用单数形式。
常用句型如下：(1)It be+名词+that从句：It's a great pity that they didn't getmarried.他们没能结婚，真是令人惋惜。
(2)It be+形容词+that从句：It's splendid that you passed yourexam.你通过考试了，真棒。
(3)It be+动词的过去分词+主语从句：It's said that he has been there many times.据说他去过那儿很多次。
(4)It+不及物动词+that 从句：It is suggested (requested, proposed, desired, etc.) that…。
1.宾语从句，是名词性从句的一种。
在主从复合句中充当宾语，位于及物动词、介词或复合谓语之后的从句称为宾语从句。
宾语从句分为三类：动词的宾语从句，介词的宾语从句和形容词的宾语从句。
2.宾语从句的引导词有三种：(1)以that引导的宾语从句：that引导的宾语从句一般都是由陈述句充当，引导词that没有实际意义，不在从句中作任何成分，that可以省略，而且从句成分齐全，句意完整。
高中英语知识点归纳名词性从句
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。
名词性从句总结
名词性从句一.概念名词性从句共有四种:1.主语从句 2.表语从句3.宾语从句 4.同位语从句二.知识点1.主语从句：主语从句在整个句子中作主语。
(1)主语从句中的that不充当句子的成分，只是单纯的连接词，通常不省略。
分句置于句首时，that绝对不可以省略。
That the driver could not control his car was obvious.It was obvious that the driver could not control his car.2.表语从句：表语从句出现在系动词后，充当表语。
The trouble is that we are short of money.It’s where you left your coat.引导表语从句除了上述三类词外还有because, as if/ as though等等The reason (why/for which…..) is that ……It/This/That is because……连系动词“appear, look, seem”的两个常用句型It seems/appears that….It looks/seems as if/as though……(与事实相符用陈述语气，与事实相反用虚拟语气)3. 宾语从句：（that可以省略）及物动词，形容词和介词后加宾语从句作其宾语。
宾语从句时态与主句相呼应(主将从现)，但宾语从句表示的是客观真理或普遍现象除外The teacher told us (that) the earth moves around the sunI am afraid (that) I have made a mistake.He will have to pay for what he has done.that在宾语从句常可以省略,但当宾语从句后带宾补时，要用“主语+谓语+it +宾补+that+从句, that不可省略I think it certain that she will get good grades in her exam.由and或 but连接两个或多个宾语从句时，仅可以省略第一个连词thatHe said (that) he had eaten nothing and that he wasn’t hungry.注意区别if引导的宾语从句和条件状语从句I don’t know if he will come. （if是否）If he comes, I’ll let you know. （if 如果）4.同位语从句：（that不可省略）对前面的名词进一步说明。
名词性从句知识点总结
名词性从句知识点总结名词性从句是指在一个句子中扮演名词的角色，作为主语、宾语、表语等成分的从句。
在英语语法中，名词性从句是一个重要的语法结构，掌握好名词性从句的知识点对于提高英语语言水平和理解复杂句子非常有帮助。
本文将对名词性从句的几个主要知识点进行总结。
1. 定义和特点名词性从句是一种从句类型，它在句子中充当名词的角色，可以作为主语、宾语、表语等。
名词性从句通常由连接词引导，如that、whether、if、who、whom、whose、which等。
2. 主语从句主语从句在句子中作为主语，常用连接词that引导。
例如：That heis late is a common problem.（他迟到是个常见问题。
）3. 宾语从句宾语从句在句子中作为动词的宾语，通常由连接词that、whether、if引导。
例如：She asked me if I could help her.（她问我是否能帮她。
）4. 表语从句表语从句在句子中作为表语，常用连接词that引导。
例如：The important thing is that you are safe.（重要的是你安全。
）5. 同位语从句同位语从句在句子中作为对某个名词或代词的解释或说明，通常由连接词that引导。
例如：The fact that she passed the exam is a relief.（她通过考试的事实令人松了一口气。
）6. 后置定语从句后置定语从句在句子中作为对名词或代词的修饰，通常由关系代词引导。
例如：The book that she recommended is very interesting.（她推荐的那本书非常有趣。
）7. 时间状语从句时间状语从句在句子中作为一个时间状语来修饰动词，常用连接词when、while、as、before、after等引导。
例如：He arrived home before it got dark.（在天黑之前他回到了家。
名词性从句知识点总结
名词性从句知识点总结一、名词性从句作主语名词性从句可以作为主语，通常由关系代词引导，包括 that, who, whom, whose, which 等。
例如：1. What he said is true.（他说的是真的。
）2. Whoever comes late will be punished.（谁迟到谁受惩罚。
）二、名词性从句作宾语名词性从句可以作及物动词的宾语，常由连接词 that, if, whether 等引导。
例如：1. He said that he would come.（他说他会来。
）2. I don’t know whether she is coming.（我不知道她是否会来。
）三、名词性从句作表语名词性从句可以作表语，通常由连接词 that, whether, who 等引导。
例如：1. The problem is whether we should go.（问题是我们是否要去。
）2. My hope is that you can help me.（我的希望是你能帮助我。
）四、名词性从句作定语名词性从句可以作定语，通常由关系代词引导，包括 that, who, whom, whose, which 等。
例如：1. The book that I bought yesterday is very interesting.（我昨天买的书非常有趣。
）2. The girl who is standing there is my sister.（站在那里的女孩是我的妹妹。
）五、名词性从句作同位语名词性从句可以作同位语，通常由连接词 that 引导。
例如：1. The news that she has passed the exam is exciting.（她通过考试的消息让人兴奋。
）2. The fact that he is leaving surprises me.（他要走的事实让我感到惊讶。
名词性从句整理
名词性从句一、定义：名词性从句在功能上相当于名词，是一个句子分别充当另一个句子的主语、表语、宾语和同位语，由此被称为主语从句，表语从句，宾语从句和同位语从句。
辨别下列从句属于哪种名词性从句并分析：1）Why they haven’t left yet is unclear.2）It was good news that everyone got back safely.3）Polly didn’t know which way she should go.4）I’m interested in who that tall man is.5）We all thought it good news that the fog had finally gone.6）My question is whether Polly can find her way home.7）The fact that Polly didn’t ask for the man’s name is a pity.总结：名词性从句主要由陈述句、一般疑问句、特殊疑问句充当。
1）陈述句充当名词性从句时，由that引导；2）一般疑问句充当名词性从句时，由if或whether引导从句；3）特殊疑问句充当名词性从句时，由疑问词本身做连词引导从句。
4）名词性从句的语序应使用陈述句语序，不可用一般问句语序。
二、引导名词性从句的从属连词及从句语序1.连接词that;功能1）不充当句子成分2）无词义3）只起连接作用。
2.if/whether;功能:1）意为“是否”，有词义2）不做句子成分3）起连接作用翻译:1)I know that he will come this evening. ____________ 2) Whether we will go there or not hasn’t been decided yet._____________________________3.连接代词：what(ever), which(ever), who(ever), whom(ever), whose(ver)功能：1)有词义2)引起从句3)且在从句中充当一定的句子成分，常做从句中的主语、宾语、表语和定语。
名词性从句总结以及注意点
名词性从句总结以及注意点名词性从句第一节主语从句引导主语从句的连接词有：that, whether, who, which, what, when, where, how, why等That she was invited to the ball made her very happy.Whether he will come to the ball has nothing todo with me.Whoever wants to see the film may get a ticket free.Which team will win the match is still unknown. What interests you doesn’t interest him. Where they had stayed was still unknown.When they will have a meeting hasn’t been decided.注意：1从句作主语谓语动词用第三人称单数形式。
Who will go is not important.22为了调节句子平衡，常用it作形式主语。
It is a pity that he didn’t come yesterday.It’s necessary that every League member (should) take the lead and work well.It’s suggested that a modern hotel (should) beput up at the foot of the hill.3陈述句部分的主语是从句时，其反意疑问句部分的主语用it.How he became a scientist is known to us all,isn’t it?第二节宾语从句作动词、介词或形容词宾语的从句。
以连词 that who whom whose what 等引导，在句子中充当宾语I think (that) you will like the pictures.I feel it important that they finish their owntask in time.They are worrying about whether they can getthere in time.3You can write about whatever topic you can think of.一宾语从句三原则：语序；时态；引导词。
名词性从句总结
名词性从句总结complex sentence noun clause (名词性从句)（复合句）attributive clause （定语从句）adverbial clause （状语从句）名词性从句1.概念:在句子中起名词作用的句子叫名词从句.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、同位语等,因此根据它在句中不同的语法功能，名词从句可分为主语从句subject clause名词性从句宾语从句object clausenoun clause 表语从句predicative clause同位语从句appositive clause一、主语从句Subject Clauses1.主语从句：从句在句中充当主语成分1). That he will succeed is certain . 他会成功是肯定的2) Whether he will go there is not known .是否他去那儿还不知道3) What he said is not true . 他说的话不是真的4) Whoever comes is welcome.无论谁来都是受欢迎.2.引导词:1）从属连词: that, whether2）疑问代词: what, which, who, whom, whose3）疑问副词: when, where, why, how4）复合关系代词: whatever, whichever, whoever, whomever考点一:主语从句后置!为了避免主语冗长,句子头重脚轻,经常用it作形式主语,主语从句放在后面作真正的主语.例:1）.That we shall be late is certain.-- It‟s certain that we shall be late.2）. That the earth is round is known to all.--It‟s known to all that the earth is round.It 的用法：（形式主语）考点二：主谓一致1. What we used to think impossible now does seem possible. （2006天津）A.isB.wasC.has beenD.will be2. Most of what has been said about the Smiths ______also true of the Johnsons.（2006安徽）A．are B．is C．being D．to be3.When and where the meeting will begin _____(have) not been decided yet .4. When they will start and where they will go ____(have) not been decided yet .总结归纳：1.一个主语从句做主语，谓语动词用单数；2.由两个或多个连接词引导一个主语从句，谓语动词用单数;3如果由and 连接两个或两个以上的主语从句做主语时，谓语动词用复数；4.What引导的主语从句可根据其表语确定单数或复数意义。
名词性从句知识点总结
名词性从句知识点总结名词性从句是一个句子成分，它在句子中充当名词的角色。
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。
它们的作用是替代名词，在句子中担任名词的成分，从而使句子更加丰富多彩，表达更加准确清晰。
下面将对名词性从句的知识点进行总结。
1. 主语从句。
主语从句在句子中充当主语的角色，常常由连接词that, whether, if, who, whom, whose, what, which等引导。
例如：What she said is true.（她说的是真的。
）。
Whether he will come is uncertain.（他是否会来是不确定的。
）。
2. 宾语从句。
宾语从句在句子中充当宾语的角色，常常由连接词that, whether, if, who, whom, whose, what, which等引导。
例如：I know that she is coming.（我知道她要来。
）。
He asked me if I could help him.（他问我能否帮他。
）。
3. 表语从句。
表语从句在句子中充当表语的角色，常常由连接词that, whether, if, who, whom, whose, what, which等引导。
例如：The fact is that he is ill.（事实是他生病了。
）。
The question is whether we should go or not.（问题是我们是否应该去。
）。
4. 同位语从句。
同位语从句是对名词进行解释、说明的从句，常常由连接词that, whether, if, who, whom, whose, what, which等引导。
例如：The news that he won the prize made us happy.（他获奖的消息让我们很高兴。
）。
The idea whether we should have a party is being discussed.（我们是否应该举办聚会的想法正在讨论中。
名词性从句语法总结
名词性从句语法总结名词性从句是英语语法中的一种句子结构，它可以在句中充当名词的角色。
名词性从句分为主语从句、宾语从句、表语从句和同位语从句。
在本文中，将对这四种名词性从句进行详细总结和讨论。
一、主语从句主语从句是一个句子，充当主句的主语。
它可以回答“什么是……”的问题。
主语从句的引导词有that, whether, if, who, whom, whose, what, which, whatever, whoever, whichever等。
例如：1. That he won the race surprised everyone. (他赢得比赛让每个人都感到惊讶。
)2. Whether we should go camping or not is still under discussion. (我们是否应该去露营还在讨论中。
)3. Who will be the next president is still uncertain. (谁将成为下任总统仍然不确定。
)二、宾语从句宾语从句在句中充当及物动词或介词后面的宾语。
它可以回答“谁……”、“什么……”的问题。
宾语从句的引导词有that, whether, if, who, whom, whose, what, which, whatever, whoever, whichever等。
例如：1. I don't know what he wants to say. (我不知道他想说什么。
)2. She asked me if I could help her. (她问我是否能帮助她。
)3. They wonder whether it will rain tomorrow. (他们想知道明天是否会下雨。
)三、表语从句表语从句是一个句子，充当主句的表语。
它一般回答“怎么样……”的问题。
表语从句的引导词有that, whether, if, who, whom, whose, what, which等。
名词性从句的用法总结
名词性从句的用法总结名词性从句是指用来充当句子成分中的名词的从句。
本文将总结名词性从句的用法。
主语从句主语从句是名词性从句的一种，用来作为句子的主语。
主语从句一般由连词“that”或“是否”引导，例如：- That he is late is very annoying.（他迟到了非常令人烦恼。
）宾语从句宾语从句是名词性从句的一种，用来作为句子的宾语。
宾语从句一般由连词“that”“if”“whether”等引导，例如：- I wonder if she has received the parcel.（我不知道她是否收到了包裹。
）表语从句表语从句是名词性从句的一种，用来作为句子中的表语。
表语从句一般由连词“that”“whether”等引导，例如：- The fact that he failed the exam disappointed his parents.（他考试不及格的事实让他的父母失望。
）- Our concern is whether he can finish the task on time.（我们的担心是他是否能按时完成任务。
）同位语从句同位语从句是名词性从句的一种，用来解释或补充说明一个名词。
同位语从句一般由连词“that”引导，例如：- The news that he won the championship was exciting.（他赢得冠军的消息非常令人激动。
）- The possibility that the flight will be delayed worries the passengers.（航班可能会延误的可能性让乘客们感到担心。
）以上是名词性从句的主要用法，不同的从句类型也可以混合使用。
掌握名词性从句的用法，对于我们准确地表达自己的意思至关重要。
语法总结名词性从句归纳
语法总结名词性从句归纳名词性从句是指在句子中充当名词作用的从句，它可以充当主语、宾语、表语、同位语等。
名词性从句的引导词有很多，如that, whether, if, what, whoever, whichever, whoever等。
下面将对名词性从句的引导词及其用法进行总结归纳。
一、名词性从句作主语名词性从句作主语时，常用that引导。
例如：1. That you have finished your homework surprises me.2. That she loves him is known to all.3. It is strange that he hasn't arrived yet.二、名词性从句作宾语1. that引导的宾语从句例如：He told us that he would come back soon.I'm afraid that I can't go with you.2. if / whether引导的宾语从句例如：I don't know whether/if he can pass the exam.Please ask him if/whether he needs any help.3. 疑问词引导的宾语从句例如：Can you tell me what time it is?She asked me where I was going.三、名词性从句作表语名词性从句作表语常用that引导。
例如：1. The truth is that he didn't tell the truth.2. His suggestion is that we should go there by car.四、名词性从句作同位语名词性从句作同位语时常用that引导。
例如：1. The news that he won the prize made us all happy.2. I don't know the fact that she has moved to another city.五、特殊情况1. Whether引导的名词性从句表达两种选择或对比的意思。
高中英语语法——名词性从句总结
名词性从句一、概说:名词性从句，即指性质相当于名词的从句，它包括主语从句、宾语从句、表语从句和同位语从句。
二、名词性从句的一般引导词1. 连接词 that 引导名词性从句时，只起连接作用，没有任何意思，也不充当句子成分，在宾语从句中可省略，但引导其他名词性从句时通常不省略2. 连接词 whether 引导名词性从句也不充当句子成分，但有自己的意思，表示“是否”；引导宾语从句时，可换成 if，但引导其他名词性从句时不能换成 if3. 连接代词 who(m), whose, which, what 等引导名词性从句时，均有各自的意义，在从句中作主语、宾语、定语等4. 连接副词 when, where, why, how 等引导名词性从句，也各自有自己的意义，在从句中作状语5.给名词性从句选引导词，第一步看从句意思结构是否完整，如果完整选that三、具体分类1.主语从句：作句子主语的从句叫主语从句2.宾语从句：名词句用作宾语的从句叫宾语从句①当主句动词是过去时态（could, would除外），从句则要用相应的过去时态，如一般过去时，过去进行时，过去将来时等；当从句表示的是客观真理，科学原理，自然现象，则从句仍用现在时态②think, believe, imagine, suppose等等动词引起的否定性宾语从句中，要把上述主句中的动词变为否定式。
即将从句中的否定形式移到主句中③由连接词that引导宾语从句时，that在句中不担任任何成分，在口语或非正式的文体中常被省去，但如从句是并列句时,第二个分句前的that不可省3.表语从句：在句中作表语的从句叫表语从句当主语是reason时，表语从句要用that引导而不是because4. 同位语从句：同位语从句说明其前面的名词的具体内容。
名词性从句知识点总结简单
名词性从句知识点总结简单1. 主语从句主语从句用来充当主句的主语，常使用的连词有that, whether, if, whoever, whatever等。
例如：- Whether we should go or stay depends on the weather.（我们是该走还是该留，则取决于天气。
）- What you said doesn't matter.（你说的不重要。
）2. 宾语从句宾语从句用来充当主句的宾语，常使用的连词有that, whether, if, wh-疑问词等。
例如：- I don't know what he wants.（我不知道他想要什么。
）- He asked me if I could help him.（他问我是否可以帮助他。
）3. 表语从句表语从句用来充当主句的表语，常使用的连词有that, whether, wh-疑问词等。
例如：- The problem is whether we can finish it on time.（问题是我们能否按时完成。
）- His belief is that everyone should be treated equally.（他的信念是每个人都应该受到平等对待。
）4. 同位语从句同位语从句用来对主句中的某一名词进行进一步解释或说明，一般由that引导。
例如：- The news that he would come back made me happy.（他会回来的消息让我很高兴。
）- I have no doubt that she will succeed.（我毫不怀疑她会成功。
）名词性从句的特点：1. 名词性从句在句子中充当名词的作用，可以充当主语、宾语、表语或同位语。
2. 名词性从句的引导词包括that, whether, if, wh-疑问词等。
3. 名词性从句和关联词的选择要根据从句在主句中的作用来确定。
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who&whoever
•1._________wants to go there ,please raise your hand. •2._________wants to go thereo doubt ________the news is true. •2. there is some doubt ______the news is true.
1. As a new graduate, he doesn't know____ it takes to start a business here. A. how B. what C. When D. which
2.It is uncertain _______ side effect the medicine will bring about, although about two thousand patients have taken it. A．that B．what C．how D．whether 3.We haven't discussed yet ______ we are going to place our new furniture. A. that B. which C. what D. where 4. Could I speak to _________is in charge of International Sales please? A. who B. what C. whoever D. whatever b'b'd'c
重点辨析
what &that
•1.____________he lost his bike made his mother angry.
•2.____________made his mothe angry is _________he lost his bike .
Why & because
•1. He is ill, that is _______he can't come to school. •2.He can't come to school. That is _______he is ill. •3. the reason ______he can't come is ______he is ill.
5. _____is known to us all is that the 2008 Olympic Games will take place in Beijing. A.It B.What C.As D.Which 6.Tomorrow is Tom’s birthday. Have you got any idea ____the party is to be held? A. what B. which C. that D. where 7.News came from the school office _____Wang Lin had been admitted to Beijing University. A. which B. what C. that D. where 8._____you like him is none of my business. A. Whether B. if C. who D. whom bdca