1.从句剖明的含义不同edv高三网
定语从句是从句对其先行词的润饰或限制,先行词可以是名词、代词、主句的一部分或是整个主句,属于形收容词性从句的局限;而同位语从句是对前面笼统名词进一步的说明和解释,这些词常是一些具有具体信息内收容或必定内涵的名词,如idea,fact,news,hope, belief, suggestion, proposal, word, thought,doubt,truth, possibility, promise,order 等,属于名词性从句的局限。edv高三网
I made a promise that if anyone set me free I would make him very rich?我承诺假如谁让我自由,我就让他很是富有。(同位语从句,补充说明promise 的内收容)edv高三网
The mother made a promise which pleased all her childenedv高三网
妈妈许下了一个令她的所有孩子高兴的诺言。edv高三网
(定语从句promise在从句中作pleased的主语)edv高三网
2.指点词及其在句子中的成份不同edv高三网
(1)有些指点词如how,whether,what可以指点同位语从句,但不可指点定语从句。edv高三网
The question whether we need it has not been considered.edv高三网
我们是否必要它这个问题还没有被推敲。(同位语从句)edv高三网
I have no idea what has happened to him.edv高三网
我不知道他发生了什么事。(同位语从句)edv高三网
(2)连词that指点同位语从句时,只起指点同位语从句的感导,在从句中不担负任何成份,是以that指点的同位语从句是完整的句子,不缺任何成份。edv高三网
关系代词that指点定语从句时,一方面起指点定语从句的感导,另一方面,在定语从句中担负主语、宾语大要表语 ,是以,that指点的定语从句是残缺的。edv高三网
The news that our football team won the match was encouraging.(同位语从句,不缺任何成份)edv高三网
我们的足球队赢了角逐的消息使人鼓舞。edv高三网
The news( that) we heard on the radio was not true.edv高三网
(定语从句,窘蹙宾语)edv高三网
我们在收音机里听到的阿谁消息不是真的。edv高三网
(3)when,where,why弓丨导的定语从句,它们分袂指前面先行词所暗示的时辰、地址、启事,否则为同位语从句edv高三网
I will forever cherish the time when I won the prize in the National Math Competition.edv高三网
我将欠远顾惜我在全国数学角逐中获奖的那一刻。(从句)edv高三网
若何区分定语从句和同位语从句
句中含有that时,看that是否能省略。edv高三网
定语从句中的that不单起到连接词的感导,而且还充当句子的成份(主语、宾语等),往往可以省略。例如:The apples that your mom bought yesterday were delicious.(其中,that可以省略。)edv高三网
在同位语从句中,that只起到连接词的感导,不充当句子成份,一般不可省略。例如:It is a fact that he has done his best.edv高三网
that与先行词的关系。edv高三网
定语从句中,that对先行词起到润饰、限制感导。例如:This is the dog that I'm looking for.edv高三网
同位语从句中,that对先行词起到解释、补充说明的感导。例如:The news that he has died was true.edv高三网
先行词不同。edv高三网
定语从句中,先行词往往是具体的人大要事物。例如:The pen that Tom takes is blue.edv高三网
同位语从句中,先行词往往是笼统性的名词。例如:The news that Tiny will come is true.edv高三网
指点词不同。edv高三网
定语从句中,当指代人时,可以用who大要which来指点,而同位语从句不成以。例如:The boy who is laughing is my brother.edv高三网
同位语从句中,指点词可以用how,what,whether,而定语从句不可。例如:I have no idea whether he'll come or not.edv高三网