一、在英語(yǔ)語(yǔ)法代詞中,人稱代詞是我們經(jīng)常會(huì)用到一類代詞,人稱代詞是指代人、動(dòng)物或事物的代詞。它必須在人稱(第一人稱、第二人稱、及第三人稱)、數(shù)(單數(shù)、復(fù)數(shù))以及性(陰性、陽(yáng)性、中性)三方面與被指代的名詞一致。
1.Tom is a boy, and he(代指第三人稱單數(shù)Tom) is a student.
2.Mary is very pretty, and she(代指第三人稱單數(shù)Mary)likes singing.
3.The boys are students, and they(代指第三人稱復(fù)數(shù)數(shù)The boys)are in the room.
4.The dog is small. It(代之第三人稱單數(shù)The dog)is Tom's.

二、在表示 " 我,你,他,我們,你們,他們等 " 的詞叫做人稱代詞。人稱代詞不僅指人,也可以指物,有人稱、數(shù)和格的變化。人稱代詞可用作主語(yǔ),表語(yǔ),賓語(yǔ)以及介詞。
1.I am a worker,I work in the factory.
我是一個(gè)工人,我在工廠工作。
2.You are a good teacher.
你是一位優(yōu)秀教師。
3.She is a little girl.
她是一個(gè)小女孩。
4.It's a heavy box,I can't carry it.
這是一個(gè)重盒子,我搬不動(dòng)。
5.It's me. Open the door quickly.
是我,快開門。
6.Don't tell him about it.
不要告訴他這件事情。
7.She is always ready to help us.
她隨時(shí)都在準(zhǔn)備幫助我們。
8.Our teacher is very strict with us.
我們的老師對(duì)我們很嚴(yán)格。