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如何却别英语中定语从句和宾语从句?

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英语中,定语从句和宾语从句有什么异同 ,各有哪些用法。
如何却别英语中定语从句和宾语从句?
解题思路: 认真体会宾语从句和定语从句的使用方法,以及例句。
解题过程:
宾语从句
⑴宾语从句可用that引导,这时that仅起连接作用,不充当从句中的成分。如果连接词
要在从句中起语法作用,就要使用连接词what等来引导从句。
I believe that he is honest.
We fully understood what he meant.
⑵有些形容词的后面也可跟宾语从句。这类形容词有:certain,afraid,aware,sorry,sure,
worried等。如:
I’m afraid that you are wrong on this point.
⑶宾语从句也可以用how,when,who,which,where,why等词引出,此时即使主句是一
个疑问句,宾语从句也必须保持陈述句的语序。如:
Go and ask why he was late yesterday.
Can you tell me where the hospital is?
⑷当主句中谓语动词是现在或将来时态时,从句中谓语动词不受主句中谓语动词时态的 影响,按需要可以使用任何时态。如: She says (that) she works from Monday to Friday. 她说她从周一至周五上班。(从句是一般现在时) She says (that) she will leave a message on his desk. 她说她要在他桌子上留个便条。(从句是一般将来时) She says (that) she has never been to Mount Emei. 她说她从来没有去过峨眉山。(从句是现在完成时) 当主句谓语是过去时态,从句中的时态一般用表示过去的某种时态。如: He said there were no classes yesterday afternoon. 他说昨天下午没有课。(从句是一般过去时) He said (that) he was going to take care of the baby. 他说他会去照看这个婴儿。(从句是过去将来时) He said (that) they were having a meeting at that time. 他说他们那时正在开会。(从句是过去进行时) *当主句谓语是过去时态,而宾语从句叙述某一客观真理(事实)时, 宾语从句的时态则用一般现在时。如: He said that light travels much faster than sound. 他说光传播比声音传播快得多。

定语从句

定语从句是在句子中起形容词作用的主谓结构,通常修饰它前面的名词或代词,即它的
先行词。定语从句是由关系代词和关系副词引导的。

1.关系代词引导的定语从句
⑴引导定语从句的关系代词有:who,whom,whose,which,that。
⑵关系代词在从句作主语、宾语、定语和表语的作用;当作宾语时,关系代词常常可省
略。如:
This is the girl(whom)you’ve been looking for.
⑶当定语从句所修饰的先行词是人或人格化的动物时,引导词用who,whom或whose;
如果先行词是无生命的东西,用关系代词which;而that可用于以上两种情况。
The man who robbed you has been arrested.

Which还可以指婴儿、动物和表示单数意义的集合名词,如:
The baby(which) the nurse brought in was Mary’s child.

⑷关系代词that和which的语法区别
当先行词的前面有形容词的最高级修饰时,通常用that而不用which。如: 
The final match is one of the most exciting football games that I have ever seen.
当定语从句所修饰的先行词的前面有all,any,little,only,much等修饰时,或者这些先行
词本身就是all,one,little,much,nothing等不定代词时,通常用that而不用which。
I am interested in all that you have told me.

当定语从句作介词的宾语时,只能使用which而不用that。
The world in which we live is in constant motion and in constant change.
当定语从句是与代词、数词或名词词组连用引导非限定性定语从句时,只能使用which
而不用that。
I bought a dozen eggs, five of which broke when I dropped the box at my door.
当先行词的前面有the+only(first,last,same,next,very)等词修饰时,通常用that而不用
which。
This is the very movie that I want to see.
当被用来指代整个句子,引导非限定性定语从句时,只能使用which而不是that。
Things then improved,which surprises me.

2.关系副词引导的定语从句

⑴引导定语从句的关系副词有:when,where,why,how等。
⑵关系副词when,where,why在从句中作状语时,可用“介词+which”来替代。如:
The reason why(=forwhich) he is in hospital hasn’t been known yet.

3.限定性定语从句和非限定性定语从句

限定性定语从句与先行词关系密切,用来描述主句所涉及的人或物的具体情况,与主句
不可分割。这种从句在口语中前后没有停顿,在文字中前后没有逗号。
非限制性定语从句与先行词之间的关系比较松散,为主句所描绘的人或物提供一些附加
情况,并非绝对必要。这种从句在口语中有停顿,在文字中往往用逗号与主语隔开。
另外,非限定性定语从句可用which,who,whose,when,where等来引导,但不可以用that
来引导。如:
The wine,which was in the cellar,was ruined.(非限定性)
The wine which (that)was in the cellar was all ruined.(限定性)
在限定性定语从句中,关系代词有时可省略;但是在非限定性定语从句中,关系代词不
能省略。
最终答案:略