表示“我”、“你”、“他”、“我们”、“你们”、“他们”等的词，叫做人称代词。

　　一、人称代词主格的用法

　　a) 作主语

　　I am a cook. (炊事员) We are cooks.

　　You are a teacher. (教师) You are teachers.

　　He is a barber. (理发员) They are barbers.

　　She is a nurse. (护士) They are nurses.

　　It is a cart. (大车) They are carts.

　　b) 作表语

　　It's I. 是我。

　　Oh, it's you. 噢，是你。

　　注：第一人称单数人称代词 I (我) 永远要大写。

　　注：口语习惯上不说 it's I (he, she等)，而说 It's me (him, her等)。

　　二、人称代词宾格的用法

　　a) 作及物动词的宾语

　　The dog bit him. 那只狗咬了他。

　　Our P. E. teacher taught us to swim yesterday.

　　我们的体育老师昨天教我们游泳。

　　This is my new hat. Do you like it ?

　　这是我的新帽子，你喜欢吗？

　　b) 作介词的宾语

　　My brother often writes to me.

　　我弟弟常给我写信。

　　They took good care of us.

　　他们无微不至地照料我们。

　　三、人称代词的其他用法

　　a) 报刊的编辑和文章的作者，在发表观点时，常用we代替I (同样用our代替my)。如：

　　We believe that China will make still greater progress in shipbuilding.

　　我们相信中国的造船业将会有更大的发展。

　　In our opinion this is the best film of the year.

　　我们认为这是今年最好的影片。

　　b) 用she来代替国家、城市、船舶、飞机等，用he/she来代替动物等，以表示亲切和爱抚。如：

　　That's the picture of the Dongfeng; she is a 10,000 - ton class ocean—going freighter.

　　那是万吨远洋货轮东风号的照片。

　　The dog waved his tail when he saw his master.

　　那狗看见主人就摇尾巴。

　　c) It 有时可用来代替小孩(child)和婴儿(baby)。如：

　　The child smiled when it saw its mother.

　　小孩见到母亲就笑了。

　　d) they可用来代替一般的人，特别在"they say"中。如：

　　They say there's going to be another good harvest this year.

　　人们说今年又是个丰收年。