怎么判断一个从句是主语从句,宾语从句,谓语从句,同位语从句,定语从句,状语从句

2025-02-08 05:59:02
推荐回答(3个)
回答1:

(一)主语从句:定义:在句子中担当主语的是一个从句,这个从句就叫做主语从句
(1)引导主语从句连词有that,whether,who,what,whatever等
(2)连词位于句首不能省略
(3)主语从句大多数情况下视为第三人称单数,但也有例外
(二)宾语从句:1.时态:1).主句用一般现在时,从句可用任意时态。可归纳为“主现从不限”    2).主句用过去时,从句用过去某个时态。可归纳为“主过从四过”    3).主句用过去时,从句是客观真理时,只用一般现在时。
4).情态动词could/would用于,“请求”,表示委婉、客气的语气时,从句不受主句的约束。
2.宾语从句的连接词   1)从属连词:连接宾语从句的从属连词主要有that,if,whether.   that引导表示陈述句的宾语从句,if和whether,whether...or not引导表示“是否”的一般疑问句的宾语从句.
2)连接代词:接代词主要有who,whom,whose,what,whoever,whomever,whosever,whatever,whichever等.   连接代词一般指疑问,但what,whatever除了指疑问外,也可以指陈述.
3)连接副词:连接副词主要有when,where,why,how,whenever,wherever,however 等
!!!汗~有谓语从句吗?!
(三)同位语从句:定义:在复合句中充当同位语的名词性从句称为同位语从句。从句作同位语表示与之同位的名词(短语)的实际内容,它的作用相当于名词,对前面的名词(短语)加以补充说明或进一步解释,相当于一个表语从句,它们之间的关系是同位关系,即主表关系。一个名词(或其它形式)对另一个名词或代词进行修饰,限定或说明,这个名词(或其它形式)就是同位语。同位语与被它限定的词的格要一致,并常常紧挨在一起
1. 名词作同位语2.短语作同位语3. 直接引语作同位语4. 句子作同位语
1)在复合句中用作同位语的从句叫同位语从句。它一般跟在某些名词后面,用以说明该名词表示的具体内容。
2)可以跟同位语从句的名词通常有news,idea,fact,promise,question,doubt,thought,hope,message,suggestion,words(消息),possibility等。
3)英语中引导同位语从句的词通有连词that,whether,连接代词what,who。连接副词how,when,where等。(注:if,which 不能引导同位语从句。)
4)有时同位语从句可以不紧跟在说明的名词后面,而被别的词隔开。
(四)定语从句:定义:定语从句在句中做定语,修饰一个名词或代词,被修饰的名词,词组或代词即先行词。定语从句通常出现在先行词之后,由关系词(关系代词或关系副词)引出。定语从句是由关系代词或关系副词引导的从句,其作用是作定语修饰主句的某个名词性成分,相当于形容词,所以又称为形容词性从先行词定语句一般放在先行词的后面.)
1)关系词:
  引导定语从句的关联词称为关系词,关系词有关系代词和关系副词。关系代词有that, which, who, whom, whose, as等,绝对没有what;关系副词有where, when, why等。关系词常有3个作用:   ①连接作用,引导定语从句。   ②代替主行词,甚至可能是主句中的一部分或者整个主句。   ③在定语
2) who, whom, that,Whose(用来指人或物)
(五)状语从句:定义:状语从句指句子用作状语时,起副词作用的句子。它可以修饰谓语、非谓语动词、定语、状语或整个句子。根据其作用可分为时间、地点、原因、条件、目的、结果、让步、方式和比较等从句。状语从句一般由连词(从属连词)引导,也可以由词组引起。从句位于句首或句中时通常用逗号与主句隔开,位于句尾时可以不用逗号隔开
1.时间状语从句2.地点状语从句3.原因状语从句4.条件状语从句5.目的状语从句6.让步状语从句7.比较状语从句8.方式状语从句9.结果状语从句
状语从句的时态特点,一般情况下,时间和条件状语从句的谓语动词一般用“一般现在时”表示“一般将来时”,用“现在完成时”表示“将来完成时”。
[状语修饰动词、形容词、副词或整个句子。通常由副词、介词短语、动词不定式、分词和从句等担当。状语的位置比较灵活,可以位于句首、句末或句中。enough用作状语修饰形容词和副词时必须后置。]

回答2:

这个句子做什么成分,就是什么从句~~~
所以你要先学会分析句子成分~~~~

回答3:

看关系代词前的那个词是什么词性

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