作业帮 > 英语 > 作业

some Engilsh qusetions

来源:学生作业帮 编辑:作业帮 分类:英语作业 时间:2024/05/26 00:34:08
some Engilsh qusetions
which和whom都能引导名词性从句,但which一般如何使用呢?它与what的用法有什么区别?请举几个使用which的名词性从句的例子,
如何判断which引导的是定语从句还是名词性从句呢?
who 和whom引导名词性从句时用法有什么区别呢?请举例说明.
名词性从句 顾名思义是指整个从句的成分相当于名词,即所处位置可以用其他名词替换.如--
1) I do not know which is right.(宾语从句,典型的名词性从句之一,整个分句可以用某个名词取代,如I do not know you.)
2) Noboy knows whom he loves best. (宾语从句)
名词性从句主要包括主语从句、宾语从句、表语从句和同位语从句.
which与what
which在引导名词性从句时有某种选择的意思,如please tell me which you like better.
what则仅重在内容 what is important to you is also important to me.
which引导定语从句时,充当定语作用,起到修饰作用.
1)This is a very good machine which is made in China.(定语)
2)It is hard to say which is my favourite.(宾语从句,名词性)
在判断时,只需要把整句掩盖看剩余句子的完整性.如句子依旧完整,则说明是修饰性的定语从句,如果不句子成分残缺则说明是名词性.
who和whom有时候(口语)不加区别,即该用whom时也使用了who
但是一般来讲whom是受格,一般做分句的宾语成分.如
I do not know whom this car belong to.(whom做to的介词宾语)
He never tell whom he loves best (做love的动词宾语)
who是主格,是动作的发出者和实施者.
如Even the police did not know who did it.