2026届高考英语一轮复习之名词性从句 课件(共44张PPT)

(共44张PPT)
高考一轮复习之
名词性从句( Noun clause)
名词性从句
在英语的句子结构中，如果本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，那么这个句子就叫__________。
概念:
1. English is very useful for us .
2. The subject I am interested in is English.
3. We need to master English well.
4. He want to learn the language, English.
名词性从句
写出 English 在句中的成分
主语
宾语
表语
同位语
名词性从句
分类:
主语从句
宾语从句
表语从句
同位语从句
简称“主，宾，表，同”
名词性从句
如何判断名词性从句
从句所在的位置
主语从句:
1. 通常位于谓语动词(主句谓语)之前的句子
2. It 作形式主语，主语从句后置
1. What I want to do is to go shopping.
2. It is necessary that everyone should be responsible for environmental protection.
名词性从句
宾语从句:
1. 通常位于及物动词，介词和形容词后的句子
2. It 作形式宾语，宾语从句后置
I don’t think that he is an honest boy.
She felt it important that everyone should be on time.
名词性从句
表语从句:
位于系动词后的句子
The problem is what he has done to the little boy.
1. 状态保持类: be, remain, stay, keep
2. 感官类: look, smell, taste, sound, feel
3. 变化类; become, turn, grow, fall, go...
4. 好像似乎类: seem, appear
5. 证明类: prove, turn out
名词性从句
同位语从句:
位于具有丰富内涵的名词后的句子，对该名词进行解释说明。
She had a feeling that she was being watched.
名词性从句
名词性从句考点: 引导词
引导词
连接代词 (9个)：who, whom, what, which, whose, whoever, whomever, whatever, whichever
从属连词(6个)：that, if, whether, as if, as though, because
连接副词(7个)：when, why, where, how, (whenever, wherever, however)
名词性从句
(1)从属连词的用法
引导词 词义 在从句中所作成分
that 无词义 不作成分，起连接作用
whether / if 是否 不作成分，起连接作用
because 因为 不作成分，起连接作用
as if / as though 好像 不作成分，起连接作用
从句不缺主宾表定
名词性从句
if与whether的区别
1.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。
2.在介词后的宾语从句中用whether, 不用if
3.whether or not 连在一起可以，但if不可以。而 “whether...or not = if ...or not”
4. discuss / decide后必须用whether引导宾语从句。
5. 跟不定式连在一起使用时用whether，不用if
名词性从句
用if / whether填空
1. I asked her __________ she had a bike.
2.________ we will hold a party in the open air tomorrow depends on
the weather.
3. We’re worried about ________ he is safe.
4. I don’t know ___________ he is well or not.
5. I don’t know ________ or not he is well.
6. The question is _________ he should do it.
7.The doctor can hardly answer the question______ the old man will
recover soon.
8. It remains to be seen　　 ___the newly formed committee’s policy can be put into practice.
whether / if
Whether
whether
whether
whether / if
whether
whether
whether
名词性从句
(2)连接代词的用法
从句缺主/宾/表/定
引导词 词义 在从句中所作成分
who / whoever 谁 / ...的任何人 作主语、起连接作用
whom/ whomever 谁 / ...的任何人 作宾语、起连接作用
what / whatever 事情 / ...的任何东西 作主表宾、起连接作用
which/ whichever 哪个 / 无论哪个或哪些 作定语、起连接作用
whose 谁的 作定语、起连接作用
名词性从句
(3)连接副词的用法
从句不缺主/宾/表/定
引导词 词义 在从句中所作成分
when 什么时候 作状语，起连接作用
where 什么地方 作状语，起连接作用
why 为什么 作状语，起连接作用
how 如何 作状语，起连接作用
名词性从句
名词性从句之主语从句(主语从句+谓语+其它)
1. Who will win the match is still unknown.
2. Where the English evening will be held has not yet been announced.
3. That he stole a bike was true.
4. What he wants to tell us is not clear.
who引导的主语从句，在从句中作主语
where引导的主语从句，在从句中作状语
that引导的主语从句，在从句中不做成分
what引导的主语从句，在从句中作宾语
名词性从句
特别提示:
1. (1)单个主语从句作主语时，谓语动词用单数形式。若是两个或两个以上主语从句作主语，谓语动词则用复数形式。
Where and when he was born has not been found.
When the person was murdered and why he was murdered are still unknown.
定语从句
2.有时为避免句子头重脚轻，用it 代替主语作形式主语放句首，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
①It + be + n. (no wonder, an honor, a pity, no surprise...)+ 主从
②It + be + adj. (true, wonderful, possible, good...)+主从
③It + be + done (said, reported, thought, expected...)+ 主从
④It +特殊动词 (seem, appear, happen, occur to, matter)+ 主从
定语从句
It is a pity that I missed the party held last night.
It is true that the college will take in more new students.
It is reported that the accident was caused by carelessness.
It seems strange that he should have done a thing like that.
3. that引导主语从句，无词义，只起引导作用，不可省
名词性从句
名词性从句之宾语从句(主语+谓语(vt. / prep./ adj.)+宾从)
1. He is a good student except that he is a little bit careless.
2. I want to know what he has told you.
3. I am entirely confident that you will get ahead in your study.
4. She will give whoever needs help a warm support.
that引导的宾语从句，在从句中不充当成分
what引导的宾语从句，在从句中充当宾语成分
that引导的宾语从句，在从句中不充当成分
whoever引导的宾语从句，在从句中充当主语成分
名词性从句
特别提示:
①that一般不能充当介词宾语, 但可充当except, in, besides的宾语
②动词后有多个that引导的宾语从句时，只有第一个that可省，
从第二个开始不可省
He told me (that) he had to leave and that he would be back soon.
③宾语从句前有插入语时
We hope, on the contrary, that he will stay at home with us.
1. that引导宾从时，可省。但下面情况中不能省
名词性从句
2. it作形式宾语that引导宾语从句作真正的宾语
a. 某些动词+it(宾语)+宾补, it作形式宾语, 将that引导的宾语从句后置。这类动词有find, think, consider, believe, guess, suppose, make等。
He has made it clear that the meeting will not be postponed.
b. hate, like, dislike, appreciate, enjoy等表示“喜欢”、“厌恶”的动词以及一些动词短语see to, depend on, rely on等常用it作形式宾语，宾语从句后置。
I shall see to it that he is taken good care of when you are absent.
名词性从句
3. 当主句是I/ We + think / suppose / expect / believe / guess / imagine时，其后的宾语从句如果是否定形式，常把否定词not从从句中转移到主句中成为否定的转移。
We don’t believe that he will win the game.
I don’t think he will do so.
名词性从句
4. doubt用于肯定句时，后面用whether/ if 引导名词性从句；用于否定句或疑问句时，后面用that引导名词性从句。
be sure用于肯定句或疑问句时，后接that引导的名词性从句；用于否定句时，后接whether/if 引导的名词性从句。
I doubt __________ he can swim across the river.
I don’t doubt _______ they can finish the task on time.
Do you doubt ____ she will succeed
whether / if
that
that
名词性从句
5. 宾语从句时态
①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依实际情况而定
I know that he studies English every day.
We all know that he has studied English since 1998.
I know that he studied English last term.
名词性从句
②如果主句中的谓语动词用了一般过去时，则从句中的谓语动词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
We believed that he had earned enough money to build a house.
The teacher told us that Tom had left us for America．
名词性从句
③当从句表示的是客观真理，科学原理，自然现象，则从句用现在时态
The teacher told us that the sun rises in the east.
名词性从句
名词性从句之表语从句(主语+系动词+表语从句)
The fact is that we have lost the game.
That’s just what I want.
This is where our problem lies.
That is why he didn’t come to the meeting.
that引导的表语从句，在从句中不充当成分
what引导的表语从句，在从句中充当want的宾语
where引导的表语从句，在从句中充当状语成分
why引导的表语从句，在从句中充当状语成分
名词性从句
特别提示:
①that引导表语从句，无词义，只起连接作用，不可省
②That’s why+(结果) “那就是...的原因”
That’s why I was late for school.
③That’s / This is because +(原因) “这是因为...”
He didn’t come. That’s because he had to help his sister with homework.
名词性从句
特别提示:
④当主语是reason时，表语从句要用that引导，
不用because
The reason why he was late for school is that he missed the early bus.
名词性从句
名词性从句之同位语从句(...n.+同位语从句)
1. I gave her a promise that I would come back after two days.
2. The news that he couldn’t come makes us upset.
3. Whatever gave you the idea that I can sing
4.I have no idea whether /when/how he will come.
that引导的同位语从句，在从句中不充当成分
whether/when/how引导的同位语从句，在从句中充当状语
that引导的同位语从句，在从句中不充当成分
that引导的同位语从句，在从句中不充当成分
名词性从句
特别提示:
①同位语从句是对前面名词的进一步解释，说明该名词的内容。解释说明的名词有:advice, doubt, demand, hope, question, news, request, problem, order, idea, fact, promise, suggestion, belief, truth, evidence, message, information 等含有丰富内涵的抽象名词
名词性从句
特别提示:
②who，what，whose，which通常不引导同位语从句。
③that引导同位语从句，无词义，只起引导作用，不可省。
④同位语从句有时不紧跟在它说明的名词后面，而是被别的词隔开。
He got the news from Mary that the sports meeting was put off.
Word came that our team won the game.
名词性从句
同位语从句和定语从句的区别
(1)同位语从句是对前面名词的解释说明，
定语从句起到形容词的作用，是对前面先行词的修饰。
(2)that作为关系代词，引导定语从句，充当句子成分，在从句中作宾语时可以省略；
that引导同位语从句时，起连词的作用，没有实际意义，不充当句子成分，不能省略。
I had no idea that you were here.
Have you got the idea that this book gives you of life in ancient Greece？
that引导同位语从句,不能省略
that引导定语从句，作宾语，可以省略
名词性从句
总结
要掌握名词性从句，请记住以下步骤：
1. 看整个从句在主句中做什么成分（主、宾、表、同)，从而确定从句名称。
2. 看从句本身是否完整。
a. 若从句完整（不缺主宾表定)考虑用从属连词和连接副词
b. 若从句不完整（缺主宾表定）考虑用连接代词
真题再现
1. (2024年新高考2卷) If most of their customers are happy to buy larger quantities, that’s ________ they’ll promote.
解析：考查表语从句。句意: 如果大多数顾客愿意大量购买此类产品，那么他们就会大力推广这种产品。分析句子可知，空格处引导表语从句，promote是谓语动词，从句缺promote的宾语, 故填what.
what
真题再现
2. (2024年全国甲卷) On a cool, starry night in mid-September 1870, four men relaxed before a campfire along the Firehole River in 43. ______ is now northwestern Wyoming.
解析：考查宾语从句。句意: 1870年九月中旬在一个凉爽且满天星辰的夜晚，四个男士在如今怀俄明州西北部的火洞河畔围着篝火放松休息。分析句子可知，空格处引导宾语从句，is是从句的谓语动词，从句缺主语, 故填what.
what
真题再现
3. (2023年新课标2卷)They also need to be ready to give interviews in English with international journalists. This is ________ they need an English trainer.
解析：考查表语从句。句意: 他们还需要准备好用英语接受国际记者的采访。这就是为什么他们需要一名英语培训师。分析句子可知，空格处引导表语从句，从句不缺主/宾/表/定，又结合句意，故填why.
why
真题再现
4. (2022年浙江1月卷)Cobb, for her party, started to ask conference organizers who invited her to speak ___________ she could do so remotely...
解析：考查宾语从句。句意: 对于她的出席，科布开始询问邀请她发言的会议组织者是否可以远程发言。分析句子可知，空格处引导宾语从句，主句的中ask接双宾，conference organizers作ask的宾语，从句充当ask的宾补，且从句中不缺主/宾/表/定，结合句意，故填whether / if.
whether / if
真题再现
5. (2021年新高考1卷) _______ is so breathtaking about the experience is the out-of-this-world scenes.
解析：考查主语从句。句意: 这种体验令人惊叹之处在于那些超凡脱俗的景色。分析句子可知，空格处引导主语从句，is是从句的谓语动词，从句缺主语, 故填What.
What
真题再现
6. (2021年北京卷) The poor woman wasn’t able to give him any information about _______ she lived.
解析：考查宾语从句。句意: 这位可怜的女士说不出任何关于她住在哪里的信息。分析句子可知，空格处引导宾语从句，从句不缺主/宾/表/定，结合句意，故填where.
where
真题再现
7. (2021年天津卷) What puzzles Lily’s friends is _______ she always has so many crazy ideas.
解析：考查表语从句。句意: 让丽丽的朋友困惑的是为什么她总是有这么多疯狂的想法。分析句子可知，空格处引导表语从句，从句不缺主/宾/表/定，结合句意，故填why.
why
真题再现
8. (2020年江苏卷) It is not a problem _______ we can win the battle; it’s just a matter of time.
解析：考查主语从句。句意: 我们能否赢得这场战斗不是问题，只是时间问题。分析句子可知，it作形式主语，主语从句后置，故空格处引导主语从句，从句不缺主/宾/表/定，结合句意，故填whether.
whether
真题再现
9. (2019年新课标1卷)While they are rare north of 88°, there is evidence _________ they range all the way across the Arctic, and as far south as James Bay in Canada.
解析：考查同位语从句。句意: 虽然在北纬88度地区较为罕见，但是证据表明它们的分布范围一直延伸至北极地区，甚至南至加拿大境内的詹姆斯湾。分析句子可知，空格处引导同位语从句，从句不缺主/宾/表/定，结合句意，故填that.
that
真题再现
10. (2018年北京卷) This is _______ my father has taught me-to always face difficulties and hope for the best.
解析：考查表语从句。句意: 这就是我父亲教我的东西---要一直面对困难并对美好充满希望。分析句子可知，空格处引导表语从句，从句中taught缺宾补，故填what.
what
THANKS