高中要学习哪几种从句，分别什么时候用，详细一点 高中要英语语法有几种??各种从句的定义是怎样的？怎样区分？
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名词性从句（主 宾 表 同位）高二
状语从句 高二
从句是相对于主句而言的，即它是从属于某一个主句，而不能单独作一个句子。在英语中，主要有三大从句，即名词性从句（包括主语从句，宾语从句，表语从句，同位语从句）、形容词性从句（即定语从句）、副词性从句（即状语从句,包括时间、条件、结果、目的、原因、让步、地点、方式等）。
主语从句用作主语，如：：
That the earth is round is true. 地球为圆的是真实的。
宾语从句用作宾语。如：
Do you know where he lives?
表语从句用作表语，如：
My opinion is that you should not go alone. 我的意见是你不应单独前往。
同位语从句用于解释说明前面的名词。如：
The fact that the earth is round is true. 地球是圆的的事实是真实的。（that从句用于解释说明the fact）
定语从句相当于一个形容词，用于修饰前面的名词。如：
The student who answered the question was John. 回答问题的学生是John.
状语从句相当于一个副词，如：
When it rains, I usually go to school by bus. 天下雨时，我通常坐公共汽车上学。（时间状语）
If he comes tomorrow, you will see him. 如果他明天来，你就可以看见他。（if 引导的条件状语从句，其结构为：if +状语从句，＋主句）。要注意在状语从句中有一个规则是“主将从现”，即主句是将来时，则从句要用一般现在时表示将来。
主句和从句的划分方法是相同的。句子的成分从谓语动词处来划分比较容易。谓语动词前面的部分是主语，后面常接宾语，修饰谓语动词的是状语，修饰主语、宾语的是定语，若谓语是系动词，则系动词后的部分是表语。如：
I am a teacher. 其中，I 是主语，am是谓语，a teacher 是表语。
He likes playing football very mucy. 其中，he是主语，likes是谓语，playing football是宾语，very much是状语。
名词从句、定语从句
名词从句
名词从句有四类：宾语从句、主语从句、表语从句、同位语从句。例如：
宾语从句：I don’t know where he will go.
主语从句：Where he will go is unknown.
表语从句：The problem is how we can get so much money.
同位语从句：We all feel sorry about the news that he failed in the game.
下面几点是学习名词从句要加以注意的：
1． whether和if都可以引导宾语从句表达“是否”意，（即引导宾语从句时if和whether
可以互换）但以下几种名词从句要用whether（不用if）引导：
（1） 引导主语从句，且在句首时。例：Whether he has won the tennis is not known.(但
It is not known whether/if he has won the tennis).
（2） 引导表语从句时。例The problem is whether he can get a job.
（3） 引导同位语从句时。例：I have no idea whether he will come.
（4） 介词后的whether从句。例：I worry about whether I hurt her feelings.
2． 位于句首引导主语从句的that不可忘。
例如：That he got the first place in the competition surprised all of us.
3． 在“It is suggested/proposed/ordered/a pity/no wonder/necessary/strange/…＋
that从句”结构中，that从句谓语有时用（should）do这样的虚拟语气形式。
例如：It is suggested that we(should) improve the relations between us.
It is a pity that one(should) stay in one place all one´s life.
It is strange that she should have failed to see her own shortcomings（缺点）.
4． 在“The reason why…is that…”句式中that不要误为because.
例如：The reason why he didn´t go to school yesterday is that he was ill.
5． 名词从句中that,what用法比较：
引导名词从句的that是连词，在句中无成份，无意义，而what是连接代词，what＝the
thing(s) that.
例如：It was told in yesterday´s newspaper that what the students had done was praised
by the factory.
I know that he will study.
I know what he will study.
That he works hard at his lessons is known to us all.
What he works hard at is known to us all.
All I ask is that you should tell the truth./He is not what(＝the person that)he
used to be.他和以前大不相同了。
6． where在名词从句中的使用特点：
where在名词从句中有时可以变为“the place where”,有时可以变为“介词＋the place where” 形式。例如：
主从：Where(＝The place where)she has gone is still unknown.
宾从：Would you please tell me where(＝the place where) Mr Smith lives?
表从：Your dictionary remains where(＝in/at the place where)you put.
同位从：Have you any idea where(＝of the place where) she is spending her holidays?
7． 无论是哪种名词从句都是陈述语序。例如：
I know where he lives./Please tell me what her name is.
当一个特殊疑问句本身就是陈述语序（即“主＋谓＋（宾）”或“主＋系＋表”结构），将其变为间接引语（即宾语从句）时，无需改变语序。例如：
What´s the matter with him? She asked me what was the matter with him.
Who looks after your grandfather? He asked me who looked after my grandfather.
名词从句考点分析
1．They want to know ______ do to help us. (NMET)
A. what they can B. how they can C. how can they D. what can they
析：此题要选陈述语序项，故应排除C、D。又因how they can do不完整，do后无宾
语，故也应排除，只有A项既是陈述语序，且what they can do完整正确地表达出“他
们能做些什么”这一意思，故答案为A。
2．His teacher ______ he ______ bright and ______ he was worth teaching.
A.didn’t think;was;that B.thought;was;whether
C.didn’t think;was;× D.thought;wasn´t;×
析：观察题目，可知think后跟有and连接的两个并列宾语从句，这时前一个宾语从句
的引导语that可以省略，但引导后一宾语从句的that不可省略，据此，可排除C、D
两个选项。若选B项，全句意思不通，而选择A项可表达“他的老师认为他不聪明，不
值得教”这一意思，且语法结构无误，故可定A是正确答案。
3．______ is done cannot be undone.
A.How B.That C.What D.Where
析：do一般作及物动词使用，从题干看，需选一词作主语（逻辑上是done的宾语）。
而A.How,D.Where均是副词，不能作主语，故应排除。B项that一词只能在定语从句
中作主语，不能在主语从句中作主语，也应排除。只有选what(＝the thing that),才
能正确表述“凡是做的不可不做”这一意思。
4．Take care ______ you don´t make mistakes in the coming exam.
A.of that B.about that C.for what D.that
析：take care是“注意”、“当心”意，后面可跟that引导的宾语从句来表达“当心
不要…”意思，据此，该题应选D。
5．To his surprise,the umbrella was not ______ he had put.
A.which B.where C.the place D.that
析：观察题干，was not后是表语，根据where在表语从句中相当于in/at the place where,
将其置于空白处则可表达“伞不在他当初放的地方”这一意思，而C选项缺少词，不可
选。A、D项皆不合用。
6．______ we can´t get seems better than ______ we have.
A.what;what B.what;that C.that;that D.that;what
析：此题显然是要表达“我们得不到的东西似乎比我们得到的东西好。”这一意思，即
“A seems better that B”结构，根据what＝the thing(s) that这一特点，将其置
于两空白处正好可以表达出前者比后者好这一意思，故答案为A。
7．______ we’ll go camping tomorrow depends on the weather.
A.If B.Whether C.That D.Where
析：此题depends前的主语从句是一个不肯定的内容，在句首表“是否”意时，只能用
Whether,不可用If。故答案为B。
8．______ they are most interested in is ______ they can produce more and better
cars.
A.That;how B.What;how C.What;what D.That;that
析：is前面是一个主语从句，要表达“他们最感兴趣的（东西）”这一意思，只能选what
填入空白;is是表语从句，显然只有选how才能表达“如何生产更多更好的汽车”，故
答案为B。
9．He made a suggestion that the English test ______ until next Wednesday.
A.will be put off B.be put off C.will put off D.put off
析：suggestion,order,adivce等词后的同位语从句谓语要用（should）do的形式，且
该句中test与put off为被动关系，故选B。
10．I don´t think ______ he said something like that is right.
A.that B.what C.whether D.when
析：此句think后是一宾语从句，这个宾语从句的主语在is之前，它是一个被动句。
因为he said something like that已经含有主、谓、宾、状等成分，只有选不表意义，
不做成分的that才合适，故选A。
定语从句
一、 定语从句与引导词
定语从句是在复合句中修饰某一名词或代词的从句。被修饰的名词或代词叫做选行词，
而引导定语从句的词叫引导词，有关系代词和关系副词两类。
懂得什么样的先行词后用什么样的引导词是学好定语从句的关键。
1． 关系代词有：that,which,who,whom,whose,在定语从句中作主语、宾语中表语，whose
作定语。代人的有：who,whom,whose,that；代物的有：that,which,whose.例如：
The man who helped you is Mr White.(who代人，在定语从句中作主语)
That is the person(whom/who/that) you want to see.(whom,who,that代人，在定
语从句中作宾语，可省略)
I´m not the fool(that) you thought me to be.(that代人，在定从中作表语)
A dictionary is a useful book which(＝that) tells us the meaning of words(which
或that代物，在定从中作主语)
2． 关系副词有：when(指时间)，where(指地点),why(指原因)，在定语从句中作状语。
例如：Would you suggest a time(when) we can have a talk?(when可省略)
The house where they live is not very large./This is the reason why he did not came to the meeting.
注意：不是表时间的先行词都用when引导定从，不是表地点的先行词都用where引导定从。例如：We´ll visit the factory which(＝that) makes radios.
(which或that在定从中作主语，where不可用主语，故不可用)
They still remember the happy days(which/that) they spent in Beidaihe.
(which或that在定从中作spent的宾语，when不可作宾语，故不可用)
二、限制性定语从句与非限制性定语从句
限制性定语从句和主句之间不用逗号分开，修饰主句中的某一个名词或名词词组或代
词；非限制性定语从句常用逗号和主句隔开，可以修饰主句中的某一个词，也可修饰整个句子。非限制性定语从句不能用that引导，引导非限制性定语从句的关系词不能省略。非限制性定语从句例：Li Ping´s father, who works in a factory, is an engineer./He tore up my photo, which made me very angry.(which指代主句内容，因前后两句是因果关系，此时which不可换为as。)
He is good at physics, as is known to us all.＝As is known to us all, he is good at physics.(as指代主句内容，在as is known/believed, as we all know/believe这类结构中as不可换为which)
三、 只用that引导和不用that引导的场合
1． 只用that引导和不用that引导的场合
1） 当先行词既包括人又包括物时：He talked about the men and the books that attracted
him.
2） 指物的先行词被any, every, only, very, all, no等修饰时：These are the very points that interest me./That´s the only watch that I like most.
3） 指物的先行词被序数词或形容词最高级修饰时：The first step that we are to take is very difficult./This is the second card that he gave me.
4）先行词是指物的不定代词all,little,few,much,及everything,anything,nothing等时：There is still much that can be done about it./Have you got everything that you need?
5） 先行词是who时：Who that have seen him does not like him?
2． 不用that的场合如下：
1）非限制性定语从句中 Last night ,I saw a very good film,which was about the Long
March .
2）介词放在关系代词之前时 This is the man from whom I learnt the news
3）句中出现了that，或先行词是that时 I have found that which I was looking for.
忽忽，是从别人那里转来的，希望能对你有帮助！这是地址，你可以去细看！~
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绛旓細瀹氳浠庡彞鏈鍑犵鍨嬪埆?鍚勮鏄庝粈涔? 鏈夐檺鍒舵у畾璇粠鍙ュ拰闈為檺鍒舵у畾璇浠庡彞,鍓嶈呰〃绀哄畠涓庝富鍙ョ殑鍏崇郴瀵嗗垏,灏戜簡瀹冨彞瀛愬氨涓嶅畬鏁翠簡;鍚庤呬富瑕佽捣涓涓ˉ鍏呰鏄庣殑浣滅敤 濡備綍鍒ゆ柇鑻辫浠庡彞鍨嬪埆 鍒濅腑鍜楂樹腑瑕鎺屾彙鐨勫灏戜笉涓鏍枫 濡傛灉浣犲彧鏄垵涓敓,鍩烘湰鎺屾彙瀹捐/琛ㄨ浠庡彞,瀹氳浠庡彞鍜岀姸璇粠鍙ュ氨鍙互浜嗐 瀹捐浠庡彞:杩炲湪鍔ㄨ瘝鍚,姣斿I ...
绛旓細涓昏鏈夊舰瀹硅瘝,姝ゅ杩樻湁鍚嶈瘝銆佷唬璇嶃佹暟璇嶃佷粙璇嶇煭璇佸姩璇嶄笉瀹氬紡锛堢煭璇級銆佸垎璇嶃佸畾璇浠庡彞鎴栫浉褰撲簬褰㈠璇嶇殑璇嶃佺煭璇垨鍙ュ瓙閮藉彲浠ヤ綔瀹氳銆 姹夎涓父鐢ㄢ樷︹︾殑鈥欒〃绀恒傚畾璇拰涓績璇箣闂存槸淇グ鍜岃淇グ銆侀檺鍒跺拰琚檺鍒剁殑鍏崇郴銆傚湪姹夎涓紝涓績璇笌瀹氳浜岃呬箣闂存湁鐨勯渶瑕佺敤缁撴瀯鍔╄瘝鈥滅殑鈥濓紝鏈夌殑涓闇瑕侊紝鏈夌殑鍙...
绛旓細鏈夊畾璇浠庡彞锛鍚嶈瘝鎬т粠鍙ワ紝鐘惰浠庡彞銆傚悕璇嶆т粠鍙ュ張鍒嗕富璇佸畾璇佸璇佸悓浣嶈鍥涚浠庡彞銆傚尯鍒細瀹氳浠庡彞鐩稿綋浜庡舰瀹硅瘝锛屽悕璇嶆т粠鍙ョ浉褰撲簬鍚嶈瘝锛岀姸璇粠鍙ョ浉褰撲簬鍓瘝
绛旓細鎵浠锛屼粠鍙灏辨槸鍦ㄥ鍚堝彞涓媴浠绘煇绉嶅彞瀛愭垚鍒嗙殑绠鍗曞彞銆傛垜浠煡閬擄紝鍙ュ瓙鎴愬垎鏈7绉嶏細涓昏S锛岃皳璇璙锛屽璇璒锛屽畾璇璂锛岀姸璇瑼锛岃ˉ璇瑿锛屽悓浣嶈T銆備粠鍙ラ櫎浜嗕笉鑳戒綔璋撹锛屽叾瀹冮兘鍙互锛屾墍浠ュ父瑙佺殑浠庡彞鏈6绉嶏紝瀹冧滑鍒嗗埆鏄細6绉嶅父瑙佷粠鍙 鎴戜滑閫愪竴鏉瀛︿範涓涓嬨傜涓銆佷富璇粠鍙 涓昏浠庡彞灏辨槸浣滀富璇殑浠庡彞銆傚畠鐨勮繛鎺ヨ瘝鏈...
绛旓細1.瀹氳浠庡彞 2.鍚嶈瘝鎬т粠鍙(涓昏浠庡彞.瀹捐浠庡彞.琛ㄨ浠庡彞,鍚屼綅璇粠鍙)3.鐘惰浠庡彞 4.鍔ㄨ瘝鐨勬椂鎬佸拰璇 5.闈炶皳璇姩璇 6.鎯呮佸姩璇嶅拰铏氭嫙璇皵 7.鍐犺瘝 8.浠ｈ瘝 9.浜ら檯鐢ㄨ 澶ф灏辨槸杩欎簺...涓汉瑙夊緱鍔ㄨ瘝鐨勬椂鎬佸拰璇佸拰鍐犺瘝鏈闅
绛旓細鍚嶈瘝鎬浠庡彞 鍦ㄥ彞瀛愪腑璧峰悕璇嶄綔鐢ㄧ殑鍙ュ瓙鍙悕璇嶄粠鍙 (Noun Clauses)銆 鍚嶈瘝浠庡彞鐨勫姛鑳界浉褰撲簬鍚嶈瘝璇嶇粍, 瀹冨湪澶嶅悎鍙ヤ腑鑳芥媴浠讳富璇佸璇佽〃璇佸悓浣嶈銆佷粙璇嶅璇瓑,鍥犳鏍规嵁瀹冨湪鍙ヤ腑涓嶅悓鐨勮娉曞姛鑳,鍚嶈瘝浠庡彞鍙堝彲鍒嗗埆绉颁负涓昏浠庡彞銆佸璇粠鍙ャ佽〃璇粠鍙ュ拰鍚屼綅璇粠鍙ャ 寮曞鍚嶈瘝鎬т粠鍙ョ殑杩炴帴璇 寮曞鍚嶈瘝鎬т粠鍙ョ殑杩炴帴璇嶅彲鍒...
