作业帮 > 英语 > 作业

关于从句什么时候用which,that,who,whom,.表语从句和主语从句是什么意思?

来源:学生作业帮 编辑:作业帮 分类:英语作业 时间:2024/05/22 10:44:34
关于从句
什么时候用which,that,who,whom,.
表语从句和主语从句是什么意思?
从句包括三大类:名词性从句、形容词性从句,副词性从句,这其中又可以细分为若干类.这里我只讲讲定语(形容词性)从句中关系代词的用法.
关系代词所代替的先行词是人或物的名词或代词,并在句中充当主语、宾语、定语等成分.关系代词在定语从句中作主语时,从句谓语动词的人称和数要和先行词保持一致.
1)who,whom,that
这些词代替的先行词是人的名词或代词,在从句中所起作用如下:
Is he the man who/that wants to see you?
他就是你想见的人吗?(who/that在从句中作主语)
He is the man whom/ that I saw yesterday.
他就是我昨天见的那个人.(whom/that在从句中作宾语)
2) Whose 用来指人或物,(只用作定语,若指物,它还可以同of which互换),例如:
They rushed over to help the man whose car had broken down.那人车坏了,大家都跑过去帮忙.
Please pass me the book whose (of which) cover is green.请递给我那本绿皮的书.
3)which,that
它们所代替的先行词是事物的名词或代词,在从句中可作主语、宾语等,例如:
A prosperity which / that had never been seen before appears in the countryside.农村出现了前所未有的繁荣.(which / that在句中作宾语)
The package (which / that) you are carrying is about to come unwrapped.你拿的包快散了.(which / that在句中作宾语)
主语从句和表语从句属于名词性从句范畴.
主语从句:简单地说就是一个句子是主语.引导主语从句的关联词有从属连词、疑问代词、疑问副词、缩合连接代词、缩合连接副词等.例句:What I say is right.我说的都是对的.如果是动词作主语的话要加上to或者-ing.
表语从句:用作表语的从句叫表语从句.引导表语从句的关联词与引导主语从句的关联词大都一样.表语从句一定要用陈述语序.不可以用if,而用whether 连接表语从句(as if 例外).位于句首时要用whether.that在表语从句中不可以省掉.
eg:The question is when he can arrive at the hotel.
英语语法较之汉语繁琐,建议你看看语法书,比如说薄冰写的英语语法书.