some Engilsh qusetionswhich和whom都能引导名词性从句,但which一般

some Engilsh qusetionswhich和whom都能引导名词性从句,但which一般

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whatwhich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.

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