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初三英语代词知识点：人称代词句法作用

　　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(主语). She is a teacher. (主语)

　　She and I are good friends(主语). Neither she nor I am student.

　　--I saw the boys this morning.

　　--Are you sure it was they(表语)?

　　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(动词see的宾语).

　　I haven't seen them recently. (动词see的宾语)

　　I bought a book for them.(作介词for的宾语)

　　=I bought them a book.(作介词buy的间接宾语)

　　☆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。