一、which可以做疑问代词和关系代词。
1. 用作疑问代词时,意思是"哪一个,哪一些"
Which is my seat? 哪个座位是我的?
2. 用做关系代词时,意思是"那一个,那一些"
He also had a gun with which to defend himself. 他还有一把自卫用的枪。
二、That可以做副词,代词,形容词和连词,但是做连词时是最常见的,也是最难鉴别的,that 用作连词,引导名词性从句,状语从句和强调句。
1. that在名词性从句中。
①引导宾语从句。及物动词后的引导词that可省略。
I didn't expect (that) he could win the championship.
The teacher pointed out that Tom was not working hard enough.
②引导主语从句。通常采用it作形式主语的句型。
That the earth goes around the sun is known to everyone.
(It is known to everyone that the earth goes around the sun.)
③引导表语从句。
The trouble is that we are short of money.
④引导同位语从句。
引导同位语从句的that和引导定语从句的that是不同的。前者只起语法作用,在从句中不作任何成分;而后者在定语从句中作主语、宾语或表语。举例说明:
【四大连词的用法】相关文章:
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