初中三年级英语代词要点：人称代词句法用途
A)人称代词有主格和宾语之分：主格用作主语和表语，宾格用作宾语。
如: I like music. She is a teacher.
She and I are good friends. Neither she nor I am student.
--I saw the boys this morning.
--Are you sure it was they?
B) 人称代词的宾格在句子作动词的宾语，或者介词的宾语。
如：I saw him at the party.
I havent seen them recently.
I bought a book for them.
=I bought them a book.
☆注意：
a.在口语中，人称代词的主格形式作表语时，常常可以用宾格替换。
如：It cant be he/him.
--Is this Mr. Green?
--Yes, this is he/him.
b. 在口语中，当人称代词用于than, as 之后或用于强调句中被强调时，用主格和宾格均可以。
如：
He sings better than I/me. 他比我唱得好。
You know more than she/her.
She is as tall as me .
c. 单独用的人称代词一般用宾格，即便它充当的是主语也是这样。如：
I like English. Me too=I like English too. 我喜欢英语。我也喜欢。
--Who did it?
--Them.
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