高考英语名词性从句精品PPT课件
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高考英语名词性从句(共26张PPT)
1
If a man doesn't have a strong will to get the final victory, he will never succeed in his life, and he is no more than a failure.
一个人如果没有一个去赢得最终胜利的坚 强意志,他必将不会在他的人生道路上取得成 功, 而仅仅是个失败者.
2.____T_h_a_t____ the earth is round is known to us all. 3. __T_h_a_t_ he won the race was _w_h_a_t__ we expected.
归纳 th__a_t:____只起连接作用，在从句中不充当任何成分，
没有词义
go
or
not.
句
⑤表语从句：The
problem
is
who
we
can
gettoຫໍສະໝຸດ replace him.⑥同位语从句：The news that they won the gold
medal was very encouraging.
4
请判断出下列的句子属于哪种从句
What I want to do is taking a bath. (主从) She did not know what had happened. (宾从) I don’t think he is an honest boy. (宾从) The fact is that he stole the car. (表从) That he will come is certain. (主从) What he said surprised me most. (主从)
If a man doesn't have a strong will to get the final victory, he will never succeed in his life, and he is no more than a failure.
一个人如果没有一个去赢得最终胜利的坚 强意志,他必将不会在他的人生道路上取得成 功, 而仅仅是个失败者.
2.____T_h_a_t____ the earth is round is known to us all. 3. __T_h_a_t_ he won the race was _w_h_a_t__ we expected.
归纳 th__a_t:____只起连接作用，在从句中不充当任何成分，
没有词义
go
or
not.
句
⑤表语从句：The
problem
is
who
we
can
gettoຫໍສະໝຸດ replace him.⑥同位语从句：The news that they won the gold
medal was very encouraging.
4
请判断出下列的句子属于哪种从句
What I want to do is taking a bath. (主从) She did not know what had happened. (宾从) I don’t think he is an honest boy. (宾从) The fact is that he stole the car. (表从) That he will come is certain. (主从) What he said surprised me most. (主从)
高考英语语法完全讲解——名词性从句课件(共17张PPT)
三、what/whatever与
which/whichever的区别
what/whatever意为“什么/无论什么”，描述的事物在上下 文中没有范围；which/whichever意为“哪个/无论哪个”， 描述的事物在上下文中有范围。 To be honest, I can hardly understand what/whatever you have said. Here is the dress. This is what I have been dreaming of. Here are many beautiful dresses. You can choose whichever you like.
高考英语语法完全讲解 名词性从句
定义及分类
在句中起到名词所能充当的句子成分的从句称之 为名词性从句，名词常用来作主语、宾语、表语、 同位语，因此，对应的名词性从句可以分为四大 类：主语从句、宾语从句、表语从句、同位语从 句。
主句从句
1、作句子主语的从句叫作主语从句。 2、为避免句子头重脚轻，常用形式主语it代替主语从 句，把主语从句置于句尾。常用的句型有：It is/was+ 形容词/名词/过去分词+that从句。
表语从句
位于系动词之后作表语的从句叫表语从句。 The problem is who is to pay and when we can start.
同位语从句
同位语从句说明其前面名词的具体内容。通常由that引 导，常接同位语从句的名词有：news, conclusion, possibility, rumor, certainty, story, word, mystery, idea, doubt, hope, truth, question, belief, fact, message, evidence, information, explanation, rule, probability, question, wish, thought, statement, report, opinion, principle等。
高考英语名词性从句复习课件(共35张PPT)
3)I’m not sure when he will come.
表语从句 表语从句位于连系动词后。
其基本结构为: 1. My suggestion is that we should go shopping. 2. It looks as if it’s going to rain.
同位语从句在句中作同位语，它一般要放 在主句中某些名词的后面，说明这些名词的含 义。可跟同位语从句的名词主要有： fact, news, promise, reason, idea, hope, word, belief等。
that在同位语从句 与定从句的区别
同位语从句
定语从句
that（连词）只起连接的 that(关系代词) 充当一定的 作用,不充当句子成分 句子成分(主，宾，表）
同位语从句与前面的名 定语从句对先行词起修饰 词是同位关系，表示这 作用，表示“…的”。 个名词的内容
同位语从句的that 一般 而定语从句中的关系代词
4. It depends on _w_h_e_t_h_e_r we will have enough money.
5. W__h_e_t_h_e_rthey can do it matters little to us.
6. __I_f__ you are not free tomorrow, I’ll go without you.
around the sun.
5. The problem is _t_ha_t__ we can’t finish the work in time.
6. We express the hope ___th_a_t ___ they will come to visit China again.
表语从句 表语从句位于连系动词后。
其基本结构为: 1. My suggestion is that we should go shopping. 2. It looks as if it’s going to rain.
同位语从句在句中作同位语，它一般要放 在主句中某些名词的后面，说明这些名词的含 义。可跟同位语从句的名词主要有： fact, news, promise, reason, idea, hope, word, belief等。
that在同位语从句 与定从句的区别
同位语从句
定语从句
that（连词）只起连接的 that(关系代词) 充当一定的 作用,不充当句子成分 句子成分(主，宾，表）
同位语从句与前面的名 定语从句对先行词起修饰 词是同位关系，表示这 作用，表示“…的”。 个名词的内容
同位语从句的that 一般 而定语从句中的关系代词
4. It depends on _w_h_e_t_h_e_r we will have enough money.
5. W__h_e_t_h_e_rthey can do it matters little to us.
6. __I_f__ you are not free tomorrow, I’ll go without you.
around the sun.
5. The problem is _t_ha_t__ we can’t finish the work in time.
6. We express the hope ___th_a_t ___ they will come to visit China again.
名词性从句-完整版PPT课件精选全文
3. 连接副词：when(＝the time when什么时候，何时)，where(＝the place where什么地方，何地)，how(＝the way that/in which怎样， 以……方式，如何)，why＝the reason why为什么)。它们除起连 接作用，还在从句中作状语。
3) wh类连接词引导的主语从句： wh类连接词包括wh类的连接代词(who, whom,
whose, which, what, whoever, whomever, whichever, whatever等)和连接副词(when,
where, how, why, whenever, wherever, however 等)。what, when和wh-ever类的词有时可不表 疑问。wh类连接代词在句中既起连接作用， 又可充当主语、宾语、表语、定语等成分。 wh类连接副词在句中起连接作用，在从句中 可充当时间、地点、原因、方式状语。
【温馨提示】 ①whether/ if引导宾语从句表示“是否”
的意思时，一般情况下可互换。 ②if引导宾语从句时可以有否定式，而
whether从句则没有。 e.g. I don’t care if he doesn’t come.
5) 特殊疑问词引导的宾语从句： 由who, what, how, which, whose, where, why等词引导的宾语从句，可作动词、 介词及形容词的宾语。
【温馨提示】 doubt, doubtful与sure后名词性从句连接词 that, whether, if的选择。 ①当doubt, doubtful用于肯定句时，后面的名
词性从句的连接词常用whether或if；当 doubt, doubtful用于否定句或疑问句时，后 面名词性从句的连接词用that。
高考英语名词性从句课件(30张PPT)
10
8【.__W_h_o_will go】hasn’t decided yet.
9. Do you know【_w_h__o/_w_h_o_m___Mr Li is speaking to?】
10【. _W__h_a_t I need】is enough time and money. 11. I want to know【_w__h_a_t you name is.】
6
7
1【.__T_h_a_t the earth is round】is true.
2. I think【_th_a_t_your answer is right about the question.】
3.The news【___th_a_t__he will come back is true 】
4【. W__h__et_h_e_rhe can offer some money to us】is
important for this work.
8
5. I wonder【__w_h_et_h_e_r___you can go with me.】 6. I didn’t know【_w_h_et_h_e_r/_if_he will come or not. 】 7.Our plan depends on【_w_h_e_th_e_r_we have enough time.】
17
9. Can you tell me where can I get the book?
I can
10. She tells me that tonight will be very cold and she won’t go out.
that
18
总结规律 Summary 名词性从句常考考点： 1.连接词使用 2.that在宾语从句中省略 3.虚拟语气在名词性从句中的应用
8【.__W_h_o_will go】hasn’t decided yet.
9. Do you know【_w_h__o/_w_h_o_m___Mr Li is speaking to?】
10【. _W__h_a_t I need】is enough time and money. 11. I want to know【_w__h_a_t you name is.】
6
7
1【.__T_h_a_t the earth is round】is true.
2. I think【_th_a_t_your answer is right about the question.】
3.The news【___th_a_t__he will come back is true 】
4【. W__h__et_h_e_rhe can offer some money to us】is
important for this work.
8
5. I wonder【__w_h_et_h_e_r___you can go with me.】 6. I didn’t know【_w_h_et_h_e_r/_if_he will come or not. 】 7.Our plan depends on【_w_h_e_th_e_r_we have enough time.】
17
9. Can you tell me where can I get the book?
I can
10. She tells me that tonight will be very cold and she won’t go out.
that
18
总结规律 Summary 名词性从句常考考点： 1.连接词使用 2.that在宾语从句中省略 3.虚拟语气在名词性从句中的应用
高中英语名词性从句课件(38张ppt)
The idea that computers can recognize human voices surprises many people.
(that在从句中不充当任何成份)
The idea （that/which） he gave surprises many people．
(that在从句中作gave 的宾语)
宾语从句须注意
1) 由疑问词引导的从句中, 词序按陈述句 顺序排列。
e.g. I wonder what he is doing. 注意：I wonder what was wrong /the matter
with him. 2)当主句的谓语动词是过去时的时候, 从句的 谓语动词应用相应的过去时。自然规律和客观 真理例外。
4) That在其他名词性从句中均不可省略，只有 在宾语从句中that有时可以省略，但在并列 的宾语从句中第二个that 不可省略。
e.g. He said (that) he would leave and that he would never come back again.
5) 否定的转移 若主句谓语动词为think, consider, suppose, believe, expect, fancy, guess, 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。 e.g. I /we don’t think this dress fits you Well, does it?
3. 连接代词: what, whatever, who, whoever, whom,whose, which（哪个）： 不仅起到连接一个句子的作用,同时也是从句 的一个组成部分；从句不完整，缺成份。
(that在从句中不充当任何成份)
The idea （that/which） he gave surprises many people．
(that在从句中作gave 的宾语)
宾语从句须注意
1) 由疑问词引导的从句中, 词序按陈述句 顺序排列。
e.g. I wonder what he is doing. 注意：I wonder what was wrong /the matter
with him. 2)当主句的谓语动词是过去时的时候, 从句的 谓语动词应用相应的过去时。自然规律和客观 真理例外。
4) That在其他名词性从句中均不可省略，只有 在宾语从句中that有时可以省略，但在并列 的宾语从句中第二个that 不可省略。
e.g. He said (that) he would leave and that he would never come back again.
5) 否定的转移 若主句谓语动词为think, consider, suppose, believe, expect, fancy, guess, 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。 e.g. I /we don’t think this dress fits you Well, does it?
3. 连接代词: what, whatever, who, whoever, whom,whose, which（哪个）： 不仅起到连接一个句子的作用,同时也是从句 的一个组成部分；从句不完整，缺成份。
高考英语名词性从句讲解(最全版)44948PPT课件
主语从句
4、I knew the news that our team won the match.
宾语从句
5、His suggestion is that we should finish the
work at once.
表语从句
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7
“whether”---“是否”、不作成份、起连接作用
英语名词1
请思考 定语从句的定义：
起定语作用，用来修饰名词或代词的从句。
名词性从句定义
起名词性作用的从句，叫名词性从句。 换言之，在英语的句子结构中，本来该由名词充当的 主语、宾语、表语和同位语部分，换由一个句子来充 当，这样的句子就是名词性从句。
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useful for us now（. 同位语从句）
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8
If与whether的区别：
If 只能引导两种名词性从句：宾语从句、不放于句首 的主语从句。Whether四种从句均可以引导。
请思考：
1、Whether she will come back on time depends on
weather . 2、I asked him whether he could do me a favor .
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10
请用if / whether填空：
1、I asked her _i_f_/_w__h_e_t_h_er she had a bike. 2._W__h__e_ther we will hold a party in the open air
tomorrow depends on the weather.
record .（同位语从句）
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4、I knew the news that our team won the match.
宾语从句
5、His suggestion is that we should finish the
work at once.
表语从句
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7
“whether”---“是否”、不作成份、起连接作用
英语名词1
请思考 定语从句的定义：
起定语作用，用来修饰名词或代词的从句。
名词性从句定义
起名词性作用的从句，叫名词性从句。 换言之，在英语的句子结构中，本来该由名词充当的 主语、宾语、表语和同位语部分，换由一个句子来充 当，这样的句子就是名词性从句。
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useful for us now（. 同位语从句）
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8
If与whether的区别：
If 只能引导两种名词性从句：宾语从句、不放于句首 的主语从句。Whether四种从句均可以引导。
请思考：
1、Whether she will come back on time depends on
weather . 2、I asked him whether he could do me a favor .
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10
请用if / whether填空：
1、I asked her _i_f_/_w__h_e_t_h_er she had a bike. 2._W__h__e_ther we will hold a party in the open air
tomorrow depends on the weather.
record .（同位语从句）
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名词性从句(共86张PPT)
真 题 典 例
[解析] A 考查名词性从句。句意：我认为他的绘画 给我留下深刻印象的是他使用的颜色。分析句子结构 可知，I think 后是宾语从句，从句中谓语动词是 is， 其前面是主语从句。主语从句中谓语动词impress缺主 语，需用what引导。
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专题九 名词性从句
真 题 典 例
10．—Is it true that Mike refused an offer from Yale University yesterday? —Yeah, but I have no idea ________ he did it; that's one of his favourite universities. A．when B．why C．that D．how [解析] B 考查名词性从句。后句表示对迈克拒绝耶 鲁大学的录取意愿感到意外，因为耶鲁大学是迈克最 喜欢的大学之一，因此回答者对迈克放弃耶鲁大学感 到不可思议。若用 that 仅表示不知道此事，但事实上 已经知道。故选B。
真 题 典 例
[解析] A 考查名词性从句。句意：一些人相信过去 发生的或现在正在发生的事情，将来仍然会重复。宾 语从句中缺少主语，并且指的是事件，所以选A。
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专题九 名词性从句
8．Grandma pointed to the hospital and said，“That's ________ I was born.” A．when B．how C．why D．where
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专题九 名词性从句
专 题 导 读
6．考查whoever，whatever，whichever引导名词性从 句时的语义功能和语法功能。 重点考查连接词that和what的用法，特殊疑问词引导 的名词性从句，whever引导的名词性从句，whever与no matter wh的区别。
[解析] A 考查名词性从句。句意：我认为他的绘画 给我留下深刻印象的是他使用的颜色。分析句子结构 可知，I think 后是宾语从句，从句中谓语动词是 is， 其前面是主语从句。主语从句中谓语动词impress缺主 语，需用what引导。
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专题九 名词性从句
真 题 典 例
10．—Is it true that Mike refused an offer from Yale University yesterday? —Yeah, but I have no idea ________ he did it; that's one of his favourite universities. A．when B．why C．that D．how [解析] B 考查名词性从句。后句表示对迈克拒绝耶 鲁大学的录取意愿感到意外，因为耶鲁大学是迈克最 喜欢的大学之一，因此回答者对迈克放弃耶鲁大学感 到不可思议。若用 that 仅表示不知道此事，但事实上 已经知道。故选B。
真 题 典 例
[解析] A 考查名词性从句。句意：一些人相信过去 发生的或现在正在发生的事情，将来仍然会重复。宾 语从句中缺少主语，并且指的是事件，所以选A。
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专题九 名词性从句
8．Grandma pointed to the hospital and said，“That's ________ I was born.” A．when B．how C．why D．where
返回目录
专题九 名词性从句
专 题 导 读
6．考查whoever，whatever，whichever引导名词性从 句时的语义功能和语法功能。 重点考查连接词that和what的用法，特殊疑问词引导 的名词性从句，whever引导的名词性从句，whever与no matter wh的区别。
高中英语语法之名词性从句-PPT优秀课件
was worried. 2.The reason lies in that she works harder
than the others do. 3.I think it necessary that you should read English
aloud.
12
2.由从属连词if / whether 引导的宾从
It’s a pity/a fact /a common knowledge (众所周知)/ a common saying that… (俗话说)
6
A. It +be+adj (important/ essential/
B. natural/ necessary)+ that sb. should do sth.
• It +be+adj (amazing/ clear/certain…) +that从句
• It is certain that we will do a good job.
• It is very clear that we should leave.
B. It +be + n ( a pity/ a fact/ a good idea/ an honor/ a mystery/ a pleasure/ a shame/ a wonder/ a challenge…) + that从句
4. He said he was watching TV/ he had swept the floor/ he would play football after school.
5. 3. 如果宾语从句所叙述的是客观事实、自然现象、科 学真理等时，从句不受主句限制，用一般现在时。
than the others do. 3.I think it necessary that you should read English
aloud.
12
2.由从属连词if / whether 引导的宾从
It’s a pity/a fact /a common knowledge (众所周知)/ a common saying that… (俗话说)
6
A. It +be+adj (important/ essential/
B. natural/ necessary)+ that sb. should do sth.
• It +be+adj (amazing/ clear/certain…) +that从句
• It is certain that we will do a good job.
• It is very clear that we should leave.
B. It +be + n ( a pity/ a fact/ a good idea/ an honor/ a mystery/ a pleasure/ a shame/ a wonder/ a challenge…) + that从句
4. He said he was watching TV/ he had swept the floor/ he would play football after school.
5. 3. 如果宾语从句所叙述的是客观事实、自然现象、科 学真理等时，从句不受主句限制，用一般现在时。
高考英语语法专项-名词性从句(共42张PPT)
Noun Clause
名词性从句
Subject Clause
主语从句
Object Clause
宾语从句
Predicative Clause
表语从句
Appositive Clause
同位语语从句
三个考查点：
1. 连接词
2. 语序: 陈述句语序
3. 时态：若主句的时态是一般时，那么 从句可以是任何所需时态．若主句时 态是过去时，那么从句的时态必须是 过去时的一种．
Tom is a nice boy, except that he is sometimes late for school. 3.某些形容词如: sure, certain, glad, pleased, afraid, surprised, satisfied等后
面也可以跟宾语从句
I’m afraid that I can’t accept your invitation.
It’ said/ reported… that..据说/据报道…
I知t’s/宣be布en…announced/declared that..已经通
I巧t s..eems/appears.. that…显然、明显、碰 It’s no wonder that…并不奇怪/无疑…
…..
1.______C_____ is known to us all is that America is a developed country________ the First World.
连接词
连接词有： that, whether 和 lf
连接代词有：who, whom, whose which, what等 连接副词有: when, where, why, how 另
高考英语语法一轮复习 名词性从句课件(共51张PPT)
3. Everybody considers it impossible which he wants to finish the job in such a short time. that
4. It doesn’t matter that you will come or not. whether
e.g. The news that our team has won the final match is encouraging. （从句说明“消息”的内 容：我们队取得了决赛胜利。） The news that you told us is really encouraging. （从句对“消息”加以限定：是你告诉我们的， 而非来自其他渠道。但消息是何内容却不得而 知。）
{I don’t like his job.
宾语 I don’t like what he does every day.
{I don’t know about the man, Mr. White.
同位语 I don’t know about the fact that he is a teacher.
二、当that前面有插入语时，that不宜省略。 Little Alice didn't know, I'm sure, that her sister was going to America. 我确信，小艾丽 斯不知道她的姐姐很快就要去美国了。
三、当that 宾语从句前有 it作其形式宾语时， that不可省略。
找出下列句子中的错误，并总结出规律：
1. I think that worthwhile that we spent so much money on these books. it
4. It doesn’t matter that you will come or not. whether
e.g. The news that our team has won the final match is encouraging. （从句说明“消息”的内 容：我们队取得了决赛胜利。） The news that you told us is really encouraging. （从句对“消息”加以限定：是你告诉我们的， 而非来自其他渠道。但消息是何内容却不得而 知。）
{I don’t like his job.
宾语 I don’t like what he does every day.
{I don’t know about the man, Mr. White.
同位语 I don’t know about the fact that he is a teacher.
二、当that前面有插入语时，that不宜省略。 Little Alice didn't know, I'm sure, that her sister was going to America. 我确信，小艾丽 斯不知道她的姐姐很快就要去美国了。
三、当that 宾语从句前有 it作其形式宾语时， that不可省略。
找出下列句子中的错误，并总结出规律：
1. I think that worthwhile that we spent so much money on these books. it
高中英语名词性从句(共17张PPT)
F 1.She pretended D 2.It is not surprising A/E 3.Why she didn't tell you herself C 4.I wonder G 5.The trouble was B 6.It is essential
A.Is what I want to know. B.that you get a visa befow you travel to the
and relaxed lifestyle. This is why each year a great
number of people from all over the world try to
immigrate to California . However, most applicants know
概念 在句子中起名词作用的句子叫名词性从
句。在复合句中能担任主语、宾语、表语 、同位语等
基础回顾１
主语从句 作主语 名 （Subject Clause） 词 宾语从句 作宾语 性 （Object Clause） 从 表语从句 作表语 句 （Predicative Cl我他住在什么地方吗？
Could you tell me where he lives?
( T)
Could you tell me where does he live? ( F )
3. He asked me what was the matter
with me. ( T )
二、名词性从句连接词的选用
USA. C.Why he lied to me. D.that so manypeople love California. E.is what I can't explain . F.that she was a socialist , beliveing in
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在复合句中起名词作用的从 句叫做名词性从句。
主语从句 表语从句 名词性从句 宾语从句
同位语从句
引导名词性从句的关联词
连接代词 who, whom, whose, which, what, whatever
连接副词 how, why, when, where however, wherever
连接词 that, whether, if, because as if /as though（不充当 从句的任何成分）
如果主句中的谓语动词用了一 般过去时，则从句中的语动只 能用过去时的某种形式，如一 般过去时，过去进行时，过去 将来时等；
3)用whether或if引导的宾语句
whether和if均可引导动词后的 宾语从句，常可互换。但从句 中有or not时或介词后的宾语从 句中只能用whether连接。其它 名词性从句，如：主语从句、 表语从句、同位语从句只用 whether.
介词后的宾语从句一般不用 which和if引导，要用whether和 what。that也很少引导介词宾语 从句，只在except, but, besides等 之后才用。
I don’t care about whether you
have money or not. Everything depends on whether
we have enough money.
4)宾语从句中的时态呼应 宾语从句的谓语动词时态受主句 谓语动词的影响，如果主句的谓 语动词是一般现在时从句中的谓 语动词可以用各种时态；
Where the English evening will be held has not yet been announced.
That he stole a bike was true.
单个的主语从句作主语时，谓 语动词用单数形式。如果是两 个或两个以上的主语从句作主 语，谓语动词则用复数形式。
I know that he studies English every day.
I know that he studied English last term.
I know (that) he will study English next year.
We all know that he has studied English since 1998.
1.)由连接词that引导的宾语从句
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。
He has told me that he will go to Shanghai tomorrow.
注意:在demand, order, suggest, advise, decide, insist, desire, request, command等表示要求、 命令、建议、决定等意义的动 词后，宾语从句常用 “should+ 动词原形”。
The smile on his face suggested that he had passed the examination.
ห้องสมุดไป่ตู้
I want to know what he has told you.
She always thinks of how she can work well.
She will give whoever needs help a warm support.
1）It + be + 名词 + that从句 2）It + be + 形容词 + that从句
3）It + be + 动词的过去分词 + that从句
4）It + 不及物动词 + that 从句
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。
注意:在主语从句中用来表示惊 奇、不相信、惋惜、理应如此等 语气时，谓语动词要用虚拟语气 “(should) +do”，常用的句型有：
It is necessary It’s important, It’s natural
2. 宾语从句 名词句用作宾语的从句叫宾语 从句。
引导宾语从句的关联词与引导主 语从句表语从句的关联词大致一 样，在句中可以作谓语动词或介 词及非谓语动词的宾语。
I insist that she (should) do her work alone.
The commander ordered that troops (should) set off at once.
但是, 如果suggest作“表明、暗 示”讲, insist作“坚持说、坚持 认为”讲，则其后的宾语从句中 应该用陈述语气。
在名词性从句中一律用陈述句 的语序，即使从句表达的是疑 问含义。
The problem is what he has done to the little boy.
问题是他对那个小男孩做了些 什么。
1. 主语从句 在句中作主语的句子叫主语从句。
主语从句通常由从属连词that， whether 和连接代词what, who, which, whatever, whoever以及连 接副词how,when,where, why等 词引导。
that在从句中无词义，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 成分。
What he wants to tell us is not clear.
他要跟我们说什么，还不清楚。
Who will win the match is still unknown.
Where and when he was born has not been found. When the person was murdered and why he was murdered are still unknown.
有时为避免句子头重脚轻，常 用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。主句的谓语动词一般用 单数形式。常用句型如下：
主语从句 表语从句 名词性从句 宾语从句
同位语从句
引导名词性从句的关联词
连接代词 who, whom, whose, which, what, whatever
连接副词 how, why, when, where however, wherever
连接词 that, whether, if, because as if /as though（不充当 从句的任何成分）
如果主句中的谓语动词用了一 般过去时，则从句中的语动只 能用过去时的某种形式，如一 般过去时，过去进行时，过去 将来时等；
3)用whether或if引导的宾语句
whether和if均可引导动词后的 宾语从句，常可互换。但从句 中有or not时或介词后的宾语从 句中只能用whether连接。其它 名词性从句，如：主语从句、 表语从句、同位语从句只用 whether.
介词后的宾语从句一般不用 which和if引导，要用whether和 what。that也很少引导介词宾语 从句，只在except, but, besides等 之后才用。
I don’t care about whether you
have money or not. Everything depends on whether
we have enough money.
4)宾语从句中的时态呼应 宾语从句的谓语动词时态受主句 谓语动词的影响，如果主句的谓 语动词是一般现在时从句中的谓 语动词可以用各种时态；
Where the English evening will be held has not yet been announced.
That he stole a bike was true.
单个的主语从句作主语时，谓 语动词用单数形式。如果是两 个或两个以上的主语从句作主 语，谓语动词则用复数形式。
I know that he studies English every day.
I know that he studied English last term.
I know (that) he will study English next year.
We all know that he has studied English since 1998.
1.)由连接词that引导的宾语从句
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。
He has told me that he will go to Shanghai tomorrow.
注意:在demand, order, suggest, advise, decide, insist, desire, request, command等表示要求、 命令、建议、决定等意义的动 词后，宾语从句常用 “should+ 动词原形”。
The smile on his face suggested that he had passed the examination.
ห้องสมุดไป่ตู้
I want to know what he has told you.
She always thinks of how she can work well.
She will give whoever needs help a warm support.
1）It + be + 名词 + that从句 2）It + be + 形容词 + that从句
3）It + be + 动词的过去分词 + that从句
4）It + 不及物动词 + that 从句
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。
注意:在主语从句中用来表示惊 奇、不相信、惋惜、理应如此等 语气时，谓语动词要用虚拟语气 “(should) +do”，常用的句型有：
It is necessary It’s important, It’s natural
2. 宾语从句 名词句用作宾语的从句叫宾语 从句。
引导宾语从句的关联词与引导主 语从句表语从句的关联词大致一 样，在句中可以作谓语动词或介 词及非谓语动词的宾语。
I insist that she (should) do her work alone.
The commander ordered that troops (should) set off at once.
但是, 如果suggest作“表明、暗 示”讲, insist作“坚持说、坚持 认为”讲，则其后的宾语从句中 应该用陈述语气。
在名词性从句中一律用陈述句 的语序，即使从句表达的是疑 问含义。
The problem is what he has done to the little boy.
问题是他对那个小男孩做了些 什么。
1. 主语从句 在句中作主语的句子叫主语从句。
主语从句通常由从属连词that， whether 和连接代词what, who, which, whatever, whoever以及连 接副词how,when,where, why等 词引导。
that在从句中无词义，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 成分。
What he wants to tell us is not clear.
他要跟我们说什么，还不清楚。
Who will win the match is still unknown.
Where and when he was born has not been found. When the person was murdered and why he was murdered are still unknown.
有时为避免句子头重脚轻，常 用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。主句的谓语动词一般用 单数形式。常用句型如下：