Ⅰ 初中英语语法从句有哪些
主要是宾语从句和状语从句，如果说考的稍微难一些的话就是定语从句以及名词性从句，一般考的话后两者的难度不会很大。
宾语从句在句中作及物动词或介词的宾语，从句放在主句之后，前后不用逗号分开。
宾语从句：
引导宾语从句的词有：
连词that(在口语中that常可省略)，if, whether,如：
He knows that Jim will work hard.
连接代词who, whom, which等，如：
Do you know who (whom) they are waiting for?
连接副词when, where, how, why等，如：Could you tell me how we can get to the station?
3.whether和if都有“是否”的意思，一般情况下两者可以换用，但在介词之后，
不定式之前，与or not连用，在句首或在引导表语从句，同位语从句时，只能用whether,如：I want to know if/whether the news is true. He doesn't know whether to stay or not?
4.宾语从句要用陈述句语序。
5.宾语从句一定要注意时态呼应，即：当主句谓语动词是过去式时，从句中谓语动
词也要用过去范畴的时态，但若从句陈述的是真理或客观规律，其谓语的时态仍用一般现在时，如：
He asked who could answer the question.
My father told me that the earth goes around the sun.
6.一个宾语从句只能用一个连词。
7.当主句谓语动词是think, believe等动词时，宾语从句的否定意义要放到主句中。另外，当主句主语为第一人称时，后面若接附加疑问句，那么附加疑问句的主语、谓语应与从句中的主谓语保持一致。如：
I don't think he looks like his father, does he?
8.直接引语和间接引语也是宾语从句，直接引语是引述别人的原话，放在引号内，
不用连词联接；间接引语是用自己的话转述别人的话，通常用连接词与主句联接。
(1)陈述句变为以that引导的宾语从句，如：
He said,“I'm happy.”[FY()[FY]]He said that he was happy.
(2)一般疑问句变为if(whether)引导的宾语从句，如：
He asked me,“Does his father know Mr Green?”
---He asked me if his father knew Mr Green.
(3)特殊疑问句变为由who, what, where, how等疑问词(连接代词或连接副词)引导的宾语从句，如：
He asked me,“Where is Mr Wang?”
---He asked me where Mr Wang was.
注意上述例句中连词、时态、语序等变化。
状语从句：http://ke..com/view/84572.htm
Ⅱ 初中英语从句知识点总结
从句
1、主语从句
引导词有：that，what，whether，when，wherever，who 等，主语从句的谓语动词必须用单数。
举例：
1) That he will fall the exam is certain.
2) What she said is true.
3) It doesn't matter when she leaves.
4) Whoever is tired may rest.
2、表语从句
一般位于系动词之后。
举例：
The question is that I also like her.
3、宾语从句
句型：主句 + 连词 + 宾语从句
连接宾语从句的词有：that，if，whether，who，whose，what，which，where，when，why，how，whoever，whomever，whenever，wherever 等》
举例：
1) He said that he was the first to clamb to the top of the mountain.
2) I wonder if / whether you could lend me tour bike.
3) Parents shouldn't give their children whatever they want.
4) She doesn't know who will come.
5) He asked if / whether she had an apartment in the city.
6) Who do you think they will travel with?
4、状语从句
（1）时间状语从句
引导时间状语从句的连词有：when，whenever，as，while，before，after，until，till，since，ever，as soon asimmediately，directly，hardly，hardly ... when 等。
举例：
1) When I was in Shanghai, I met her.
2) Please wait until you are called.
（2）地点状语从句
常由 where 何 wherever 引导。
举例：
He lives where the street crosses the river.
（3）原因状语从句
常由 as，because，since，now that，seeing that 等引导，其中语气最强烈的就是 because。
举例：
He has to leave off because he is seriously ill.
（4）条件状语从句
常由 if，unless，as long as，so long as 等引导。
举例：
If you can correct your faults, your work is good.
（5）目的状语从句
常由 so that，in order to 等引导。
举例：
Speak loudly so that every one may hear you clearly.
（6）比较状语从句
常由 than，as，as ... as 等引导。
举例：
I have got as much money as I need.
（7）让步状语从句
常由 though / although，even though，as，if，even if 和 wh- + -ever 复合词引导。
举例：
Although I tried my best to learn English, I haven't passed the exam.
（8）方式状语从句
常由 as，as if，as though，how 等引导。
举例：
She looks as if she is still young.
（9）结果状语从句
常由 that，so / such that 等引导。
举例：
She is such a good teacher that all the students love and respect her.
5、定语从句
结构：
...... 先行词（被修饰的名词或代词） + 关系代词 / 关系副词 + ......
一般来说，修饰人用 who，whom，whose，that；修饰物用 that / which。
举例：
1) The road which through our school is very wide.
2) This is the school where my brother studies
3) Is there anything that you don't understand?.
Ⅲ 分享一下初中英语语法知识。语法全一点，有例子。章节清晰。
一 名词性从句:1.主要包括主语从句,宾语从句,表语从句和同位语从句.一般由that 引起,也可由who,what,when,why,which,whom,whether,how 引起.
2.主语从句很多情况下都可以放到句子后面,而用代词it作形式上的主语.:
3.形式宾语
4.由名词性关系代词whatever,whoever,whichever 等引起的宾语从句
5.whether and if 都能引导从句,但用法有所不同.当主语从句直接位于句首时,应用whether,而不用if.Whether 后能直接or not,但if 不能.
Whether he will come or not is not known.
6.在名词reason后的表语从句必须用that引导,不可误用 because.
The reason why he is often late for class is that he has the bad habit of getting up late in the morning.
二:定语从句
1.引导定语从句的关系词有who,whom,whose,that,when,where,why and which.在非限制定语从句中,只可用which,who,whose,where ,when.,如果指代前面整个句子,多用which.
2.当引导定语从句的先行词前有all,any,no,little,much,very first 等词,或先行词前为形容词最高级所修饰时,或先行词为all,anything,nothing,something,everything 时,从句的引导词只能用that.
3.as 可做引导词引导定语从句,多和such,the same 连用.As 引导的定语从句也可修饰整个句子,既可放在先行词后,也可放在句子开头.
4.介词+which/whom/whose从句
5.代/名+介词+which 从句
6.同位语从句和定语从句
三 状语从句:修饰主句中的动词,形容词和副词,通常有从属连词引导,按其意义和作用可分为时间,地点,条件,原因,让步,目的,结果,方式,比较.等
1.时间状语从句:
1) 常见连词有 after,as,before,once,since,till,(not)until,when,whenever(no matter when),while,as long as,as soon as etc.
2) no sooner…than,hardly(scarcely,barely)…when:刚做…就….
3) 还有 immediately,directly,instantly,the moment,the minute,the instant,the second,every time etc
2.地点状语从句:一般用where or wherever 引导
3.条件状语从句:真实条件从句:if,unless,so long as,provided that,supposing that,on condition that,in the event that,in case that etc
4.原因状语从句:从属连词有because,as ,since,for,now,that,in that,seeing that,considering that(鉴于,由于) 5.让步状语从句:
1):even if,though,even though,while(尽管) no matter what/how/which,however,whatever,whichever,however etc.
2) 由as 引起的让步从句,语气较强烈,被强调的词须放在句首.
3) whether…or,不管…或…
6.结果状语从句:so that,so…that,such…that
7.目的状语从句:so that,in order that,for fear that,lest,in case
8.方式状语从句:as,just as,as if:如同…一样
(记得采纳哦）
Ⅳ 初中英语定语从句答题技巧
有限定成分时不能用which
大部分时候选that，其它不用管了
Ⅳ 初中有关定语从句的语法
初中定语从句详解。 定语从句是一种形容词的关系从句。它由关系代词或关系副词引导（1）。初中英语中的定语从句仅限于限制性定于从句，但对初中生来说，定语从句既是一个重点，也是一个难点。【关键词】定语从句 先行词 关系代词 关系副词
一、英语中的定语从句与汉语中的定语位置不同。
在复合句中，修饰某一名词或代词的从句叫做定语从句。英语中的定语从句始终要放在被修饰的词之后，而汉语中的定语则放在被修饰词之前。如：
The man who / that I saw at the school gate yesterday is my English teacher.
先行词 定语从句
昨天我在校门口看见的那个人是我的英语老师。
二、英语从句中的句型结构比较复杂，有先行词、关系代词或关系副词。被定语从句修饰的词叫先行词，引导定语从句的关联词有关系代词或关系副词。限制性关系分句和它的先行项的所指意义有着不可分割的联系（2）。关系代词或关系副词放在先行词和定语从句之间起纽带作用，关系代词或关系副词在定语从句中要充当一个成分。关系代词在句中可作主语、宾语或定语，关系副词在句中作状语。如：
I am waiting for the boy who /that is wearing a red coat. （主语）
先行词 关系代词
我正在等穿着红色外套的那个男孩。
The dictionary that / which my sister gave me last Sunday is very expensive.(宾语)
先行词 关系代词
我姐姐上周星期天给我的那本字典很贵。
The woman is his mother whose name is Linda Brown. (定语)
先行词 关系代词
那个是他的母亲，名叫琳达
Ⅵ 初中英语语法
Ⅶ 初中英语：定语从句的用法
1.what不能引导定语从句.
2.关系词的分析须考虑它在定语从句中的成分。
一.指人的关系代词有who、whose、whom、that. 试分析：
The old man who/whom /that we visited yesterday is a famous artist.
Miss Wang is taking care of the child whose parents have gone to Beijing .
The man with whom my father shook hands just now is our headmaster. （=The man who/whom that my father shook hands with just now is our headmaster.）注：
A．指人时有时只用who不宜用that。
1．先行词为one、ones或anyone
（1）The comrade I want to learn from is the one who studies hard and works hard.
（2）Anyone who breaks the law should be punished.
2．先行词为these时
These who are going to Beijing are the best students of our school.
3．在there be 开头的句子中
There is a student who wants to see you.
4．一个句子中带有两个定语从句，其中一个定语从句的关系代词是that，另一个宜用who，以免重复。
The student that won the first prize is the monitor who works hards.
5．在非限制性定语从句中
A。I met a friend of mine in the street, who had just come from Japan.
B．主句以who开头的句子中,只用that,不用who。
二．指物的关系代词有which、whose(=of which)、that. 试分析：
1. I like the books which / that were written by Lu Xun.
2. The desks (which/that) we made last year were very good.
3. This is the house in which we lived last year. (= This is the house which /that we lived in last year.)
4. I live in the room whose windows face south. (= I live in the room ,the windows of which face south.)
注：
A. 介词如果位于作为其宾语的关系代词之前时，只能用whom、 which不能用who或that.
(1). The girl about whom they were talking is our monitor.
(2). The book in which there are many interesting things was written by Li Ming.
B. 部分短语动词中的介词不可与动词拆开，在定语从句中其介词不可前置，只能放在其动词之后。
Is this the book which she is looking for?
The old man who/whom they are waiting for is Professor Li.
The child who/whom she is looking after is Wang Ping’s son.
C．指物时，下列情况下只能用that ，不宜用which。
（1）先行词为不定代词，如All、much、anything、everything、nothing、something、none、the one等。
We are willing to do anything that is good to the people.
I have told them all (that) I know.
All that can be done has been done.
（2）先行词是序数词或被序数词、修饰时。
The first book that I read last night was an English novel.
（3）先行词是形容词最高级或被最高级修饰时。
This is one of the most interesting films that I have ever seen.
This is the best that can be done now.
（4）如果有两个或两个以上分别表示人和物的先行词时(先行词既有人又有物)，定语从句的关系代词用which和who都不合适，只能用that。
We know nothing about the doctors and the hospitals that you are talking about.
There are sheep and men that can be seen on the hill.
（5）如果先行词被the only、the very、the last、the same、any、 few 、little、no、 all 、one of、 just修饰时。
This is the only book that can be lent to you.
（6）当主句是以which开头的特殊问句时，关系代词只用that。
Which is the dictionary that he used yesterday ?
D．只物时，下列情况下只能用which，不宜用that。
（1）关系代词放在介词之后
This is the factory in which we once worked.
（2）非限制性定语从句中
This is the book, which is written by Lu Xun.
（3）that，Those作主语时
Those which are on the desk are English books.
E．先行词前有such、the same、 as时, 关系代词用as，不用that, 但the same…as…表示同样的, the same…that…表示同一的
He knows as many people as are present at the meeting.
Such people as you refer to are rare nowadays.
三．比较When/which、where /which、why.
which I still never forget.
This is the day when I joined the party.
which he spent reading the books.
where I found the book.
which makes machines.
This is the place which we once visited.
which I will never forget.
which I am looking for.
限制性定语从句与非限制性定语从句的区别：
限制性定语从句
非限制性定语从句
All the students who study hard have passed.学习努力的学生都考试及格了。(只有努力的及格了，不努力的没及格。) All the students ,who study hard have passed.所有的学生都及格了，他们学习努力。（没有人不及格，这些学生都很努力。）
从句是先行词不可缺少的定语（如去掉，主句意思就不完整或不正确。）从句是对先行词的附加说明（如去掉，主句意思仍清楚，不受影响。）与主句关系密切，不用逗号与主句关系不十分密切，用逗号与主句隔开译为汉语时，从句译在先行词前，与先行词用“的”连接译为汉语时，从句放在主句后面关系代词that可以代替who、whom(指人)、which(指物) 关系代词不用that,只用who、whom(指人)、which(指物) 关系代词代替宾语时可以省略关系代词不能省略关系代词as和which
先研究下面两个例句：
○1.This elephant is like a snake, as /which everybody can see. =As everybody can see, this elephant is like a snake. 任何人都看得出来，这头象像条蛇。
○2.Tom didn’t pass the physics exam, which made his parents very angry. Tom物理考试不及格，这使得他父亲很生气。
这两个例句中，as和which所代表的都是整个主句所表示的内容。但有两点不同之处：
1．在形式上as引导的非限制性定语从句可位于主句的后面，也可位于主句的前面；而which引导的非限制性定语从句只能位于主句的后面，不能位于主句的前面。
2．在意义上，as引导的定语从句和主句的关系一般为一致关系，常译为“正如……”，“就像……”，而which引导的定语从句和主句的关系是因果关系，或which引导的定语从句是对主句的评论。因此，在意思通顺的情况下，which可代替as，而as许多时候不能代替which，如句○2。再如：
1．He was late again, as / which we had expected. =As we had expected, he was late again. 正如我们所料，他又迟到了。/他又迟到了这是我们早就料到的。
2． The street hasn’t been cleared for weeks, which makes it very dirty. 街道好多星期没有打扫了，因此整条街很脏。（不用as）
3．The young man cheated his friend of much money, which was disgraceful. 那年轻人诈骗了他朋友许多钱财，这是不光彩的。（不用as）
4．He takes exercise everyday, which has done a lot of good to his health. 他每天运动，这对他的身体很有好处。（不用as）
5．As has already been pointed out, English is rather difficult for a foreigner. 正如已经指出的那样，英语对于初学者说，是相当难学的。在such…as…、the same…as…、 as…、 as many…/much as…等结构中,as不能用which代替。如：
1.Such books as this are too difficult for beginners. 这样的书对于初学的人来说是太难了。
=Books such as this are …
=Books like this are …
2.I live in the same building as he (does). 我和他住再同一座大楼里。
3.He knows as many people as are present at the meeting. 他认识所有到会的人。
4.That day we all got up early as usual. 那天我们和平时一样，都起得很早。
“One of the +复数名词”后面定语从句中谓语单复数情况
这一结构后面的定语从句的谓语动词通常用复数形式，跟定语从句所靠近的那个复数名词在数上保持一致。如：
1． That is one of the books that are required for study at school.
2． This is one of the most wonderful novels that have been published since 1990.
3． She is one of the few persons who know Spanish .
4． This is one of the most famous plays that were written in the thirties,
如果one of +复数名词这一结构前面带有the only、the very之类的限定语，后面定语从句的谓语动词则要用单数形式，这是因为定语从句在意义上修饰的是而不是那个复数名词。如：
1.He is the only one of the teachers who knows French in our school.( 修饰the only one)
He is one of the teachers who know French in our school.( 修饰the teachers)
2.This is the only one of the rooms that is free now. (修饰the only one)
This is one of the rooms that are free now. (修饰rooms)
as与which引导的定语从句
两者均可引导非限制性定语从句，有时可以互换，但下列情况多用as。
1. 关系代词引导的定语从句居句首时。 As we all know, the earth is round.
2. 当与such或the same连用时，一般用as。 Such books as you tell me are interesting. I have the same plan as you.
3. 当从句和主句语义一致时，用as，反之则用which。 She has married again, as was expected. She has married again, which was unexpected.
4. as在从句中作主语时，后面常接行为动词的被动语态，如be known，be said，be reported等，如从句中行为动词是主动语态，一般要用which作主语。
She has been late again, as was expected.
Tom has made great progress, which made us happy.
Ⅷ 初中英语定语从句中that和which的用法
II. that与which, who, whom的用法区别：
情况 用法说明 例句
只用that的情况
先行词为all, everything, anything, nothing, little, much,等不定代词时。
先行词被all, any, every, each, much, little, no, some, few等修饰时
先行词有形容词最高级和序数词修饰时
先行词既指人又指物时
先行词被the only, the very修饰时
句中已经有who或which时，为了避免重复时
1.He told me everything that he knows.
2.All the books that you offered has been given out.
3.This is the best film that I have ever read.
4.We talked about the persons and things that we remembered.
5.He is the only man that I want to see.
6.Who is the man that is making a speech?
只用which, who, whom的情况 在非限制性定语从句中，只能用which指代物，用who/whom指人
在由“介词+关系代词”引导的定语从句中，只能用which指物，whom指人。
先行词本身是that时，关系词用which, 先行词为those, one, he时多用who。
He has a son, who has gone abroad for further study.
I like the person to whom the teacher is talking.
Those who respect others are usually respected by others.