如:

I don't know who he is.我不知道他是誰。

（he she his her）及與be動詞的搭配:

人稱代詞（I you we he she they）物主代詞（my your his her）與be動詞（am is are）

（1）人稱代詞（I you we he she they），物主代詞（my your his she）be動詞（am is are）

（2）我是一個學生，我的名字是Bob。

I am a student. My name is Bob.

你也是一個學生，你的名字是Alice。

You are a student, too. Your name is Alice.

我們是好朋友。We are good friends.

他是一個男孩兒，他的名字是Dale。

He is a boy. His name is Dale.

她是一個女孩兒，她的名字是Cindy。

She is a girl. Her name is Cindy.

他們也是好朋友。

They are good friends, too.