英语里什么时候用主格,宾格,形容性,名词性物主代词

如题所述

一般情况下作主语时用代词的主格,如果前面提到某种物体,也可以用名词性物主代词,如:
I like pandas.(句中的I为主格,作主语)
Xiaoming's book is on the desk and mine is in the bag.(句中的名词性物主代词mine为名词性物主代词,作主语。)
名词性物主代词或宾格作动词或介词的宾语,二者均可以作表语:
A book of mine is lost.(句中的名词性物主代词mine作介词的宾语)
He likes Xiaoming's book, but doesn't like mine.(名词性物主代词mine作动词的宾语)
This book is not his. It's mine. (名词性物主代词mine作表语)
Xiaoming is a bad boy. I hate him.(句中的him为宾格,作动词的宾语)
My book is lost. I have no time to look for it.(句主it作介词for的宾语)
Who is there? It's me, Xiaoming.(句中的me作表语)
形容词性物主代词,一般用在名词前,作定语。
My book is broken.(句中的形容词性物主代词my作名词book的定语)
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