西方人的习惯：first name + last name 名在前，姓在后。与中国人的习惯相反。

He is Mr. Green.

She is Mrs. Green.

They are married.

简单自我介绍练习

I'm .

My first name .

My last name .

I single (married).

be 动词的使用

2、I am from ...

America/ the United States (美国)

Mexico(墨西哥)

Cuba(古巴)

Somalia(索马里)

Colombia(哥伦比亚)

I am from America/ the United States.

I am from China.

We are from China.

3、否定 not

I am not Diana Montego.

I am not single.

I am not from America.

am, are, is 后加not 表示“不是”