在英语中怎样判断一个句子是宾语从句,状语从句,定语从句

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在英语中怎样判断一个句子是宾语从句,状语从句,定语从句

在英语中怎样判断一个句子是宾语从句,状语从句,定语从句
在英语中怎样判断一个句子是宾语从句,状语从句,定语从句

在英语中怎样判断一个句子是宾语从句,状语从句,定语从句
主要是看这个句子在着句话中做什么成分,是宾语成分就是宾语,定语成分就是定语从句,后面的类推.

如果这个句子是修饰宾语的就叫宾语从句
如果这个句子是修饰状语的就叫状语从句
如果这个句子是修饰定语的就叫定语从句

定语从句相当于形容词,用来修饰名词或代词。
宾语从句相当于一个宾语,用作名词。
状语从句相当于句子中的一个状语,或副词,指时间、地点和原因等。
下面是每种语法的详细讲解
宾语从句
意义:宾语是一个句子的重要组成部分,它可以由名词,代词,名词短语或句子充当。当由一个句子充当宾语时,我们就叫它为宾语从句。它和主语间由从属连词连接。
1引导词
引...

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定语从句相当于形容词,用来修饰名词或代词。
宾语从句相当于一个宾语,用作名词。
状语从句相当于句子中的一个状语,或副词,指时间、地点和原因等。
下面是每种语法的详细讲解
宾语从句
意义:宾语是一个句子的重要组成部分,它可以由名词,代词,名词短语或句子充当。当由一个句子充当宾语时,我们就叫它为宾语从句。它和主语间由从属连词连接。
1引导词
引导词可分为三类
(1)that引导的宾语从句在句中可常省略
(2)if/whether引导的宾语从句常用在疑问句中,if常放在疑问句前,但当引导词前有or not或放在不定式前只能用whether
(3)疑问词引导的宾语从句由疑问代词what,which,who,whose.疑问副词when,how,where,why
(2)语序:宾语从句用陈述句语述
(3)(重点)时态
当主句的谓语动词是一般现在时从句不受主句影响,当主句的谓语是一般过去时从句用相应的过去时(除谓语为一般现在时,其他的从句都用相应的时态)
注:如果宾语所表达的时客观真理或客观事实从句中动词的时态不受主句影响
定语从句
一、什么是定语从句?
在复合句中,修饰某一名词或代词的从句叫做定语从句。在定语从句中,被修饰的这一名词或代词叫做先行词。在定语从句中的引导词叫做关系词。关系词又分关系代词和关系副词。
二、关系词有哪些?
1、关系代词:which(指sth),that(指sb或sth),who(指sb作主语或宾语),whom(指sb作宾语),whose(指sb或sth,作定语)
2、关系副词:when(指时间),where(指地点),why(指原因)
三、关系代词和关系副词有何区别?
主要是它们在从句中所起的作用不同。关系代词在从句中一般作主语或宾语。而关系副词在定语从句中作状语。分清楚这一关系并在做题时想着这个原则,就不会出原则性的错误了。
四、定语从句解题步骤
1、找对先行词。
2、确定先行词在定语从句中的位置,也就是在定语从句中担任何成份。这一点可以帮助我们划分使用关系代词还是关系副词。
eg:This is the place that/which I visited years ago.
This is the place where I lived years ago.
分析:这两句的先行词都是the place,由于第一句中的先行词在定语从句中作visit的宾语,所以选择关系代词,如果作宾语时关系代词可省略。而第二句的先行词则在定语从句中作状语,因为live是不及物动词,因此选择关系副词where。
3、区别各关系代词的使用。
五、关系代词中的which和that如何区分?
在先行词为物情况下,一般情况两者可通用,但也有不可互换的情况。
以下几种情况只用that:
1. 先行词all, everything, nothing, something, anything, little, much 等不定代词。
2. 先行词被all, every, no, some, any, little, much 等修饰。
3. 先行词被序数词或形容词最高级修饰时。
4. 先行词被the only, the very, the same, the last 修饰时。
That white flower is the only one that I really like.
This is the very book that I want to have.
The last place that we visited was the chemical works.
5. 有两个或两个以上的分别表示人和物的先行词,从句应用that,而不是其他。
He talked about the teachers and schools that he had visited.
6. 当主句是以who, which 开头的特殊疑问句时,定语从句多用that,而不用who(whom),which.
Who is the person that is standing at the gate?
以上通常是使用于物,人一般不受限制,但如果正式和严谨可以遵循这一原则。
六、各关系副词
when:I did remember the day when I come to No. 4 High School.
where:This is the house where I lived years ago.
why:Could you please tell me the reasons why you came late to school this morning.
七、几点说明
1、在先行词为人的情况下,遇到who和 that都有的情况,如何处理?
答:如果句中已有who的情况下为避免重复,用that。
eg:Who is the girl that is speaking to my teacher?
2、在先行词为人且在定语从句中作宾语,用who还是whom?
答:一般情况两者可通用,但遇到介词提前时只能用whom。
eg:He is my English teacher from whom I learned a lot.
状语从句
由从句担任的状语,在句子中可修饰谓语(或其它动词)、形容词、副词或是整个句子,它可以用来表示时间、地点、原因、目的、结果、条件、方式、比较、让步等。状语从句是一较大的语法项目,也是近几年高考题中常见的一个重要试点。高考中已考查了时间、让步、地点、条件、目的等状语从句,这些从句仍是今后高考热点,应作充分准备。同时对方式状语从句也应引起重视。
(一)时间状语从句
表示时间的状语从句可由when, as, while, whenever, after, before, till (until), since, once, as soon as (或the moment ), by the time, no sooner … than, hardly (scarcely) … when, every time等引导。
e.g. When I came into the office, the teachers were having a meeting.
He started as soon as he received the news.
Once you see him, you will never forget him.
No sooner had I gone to bed than I went to sleep.
(二)原因状语从句
原因状语从句是表示原因或理由的,引导这类从句的最常用的连词是because, since, as , now that(既然)等,for 表示因果关系时(它引导的不是从句)为并列连词,语气不如because强。
e.g. He is disappointed because he didn't get the position.
As it is raining, I will not go out.
Now that you mention it, I do remember.
(三)地点状语从句
引导地点状语从句的连词是where 和wherever等。
e.g. Sit wherever you like.
Make a mark where you have a question.
(四)目的状语从句
引导目的状语从句最常用的词(组)是so, so that(从句谓语常有情态动词), in order that, in case(以防,以免)等。
e.g. Speak clearly, so that they may understand you.
She has bought the book in order that she could follow the TV lessons.
He left early in case he should miss the train.
(五)结果状语从句
结果状语从句是表示事态结果的从句,通常主句是原因,从句是结果。由so that (从句谓语一般没有情态动词), so … that, such … that等引导。
e.g. She was ill, so that she didn’t attend the meeting.
He was so excited that he could not say a word.
She is such a good teacher that everyone admires her.
(六)条件状语从句
条件状语从句分真实性(有可能实现的事情)与非真实性(条件与事实相反或者在说话者看来不大可能实现的事情)条件句。引导条件状语从句的词(组)主要有if, unless, so (as) long as, on condition that, so (as) far as, if only ( = if )。注意:条件从句中的if 不能用whether替换。
e.g. If he is not in the office, he must be out for lunch.
You may borrow the book so long as you keep it clean.
So far as I know(据我所知), he will be away for three months.
You can go swimming on condition that ( = if ) you don’t go too far away from the river bank.
If he had come a few minutes earlier, he could have seen her.
(七)让步状语从句
让步状语从句可由although, though, as, even if (though), however, whatever, whether … or, no matter who (when, what, …) 等引导。注意:as引导的让步状语从句一般是倒装的。
e.g. Though he is a child, he knows a lot.
Child as he is, he knows a lot.
Whatever ( = No matter what ) you say, I’ll never change my mind.
(八)方式状语从句
方式状语从句常由as, as if (though), the way, rather than等引导。
e.g. You must do the exercise as I show you.
He acted as if nothing had happened.
(九)比较状语从句
比较状语从句常用than, so (as) … as, the more … the more等引导。
e.g. I have made a lot more mistakes than you have.
He smokes cigarettes as expensive as he can afford.
The busier he is, the happier he feels.
(十)使用状语从句时要注意的几个问题
1、在时间和条件(有时也在方式、让步等)从句中,主句是一般将来时,从句通常用一般现在时表示将来。
e.g. We’ll go outing if it doesn’t rain tomorrow.
I’ll write to you as soon as I get to Shanghai.
2、有些时间、地点、条件、方式或让步从句,如果从句的主语与主句主语一致(或虽不一致,是it),从句的谓语又包含动词be ,就可省略从句中的“主语 + be”部分。
e.g. When (he was) still a boy of ten, he had to work day and night.
If (you are) asked you may come in.
If (it is) necessary I’ll explain to you again.
希望有帮到你!

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宾语从句,是在动词后面的句子、状语从句,是用作状语的句子。定语从句,用作定语的妻修饰作用的句子

宾语从句位于及物动词之后,包括及物的或介词之后的,如;I know what we should do.
状语从句说明主句行为发生的地点、时间、原因、方式、程度、条件、让步等状态,如;
I met him when I went to school. I met him where I went yeterday.
定语从句位于被修饰的名词或代词先行词之后。如;
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宾语从句位于及物动词之后,包括及物的或介词之后的,如;I know what we should do.
状语从句说明主句行为发生的地点、时间、原因、方式、程度、条件、让步等状态,如;
I met him when I went to school. I met him where I went yeterday.
定语从句位于被修饰的名词或代词先行词之后。如;
the man you met is my son. you met the man who is my son.
当定语从句修饰限定的是主句的主语时,就会形成从句把主句从中劈开的情况,如上两例子中的前例!

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