be动词

(1)是

Who are you? 你是谁？

Who is it(this, that)? 谁呀？ It's me. 是我。

What are you? 你是做什么的？

I am an English teacher. 你是英文老师。

I'm a student. 我是学生。

We are good friends. 我们是好朋友。

My daughter is a student, too. 我女儿也是学生。

She'd like to be a teacher.她想将来当老师。

She will be a very good teacher. 她会是个好老师。

Be yourself. 做你自己。

Who is that girl? 那个女孩是谁？

Is she your girlfriend? 她是你女朋友吗？

No. She is my classmate. 不是，她是我同学。

Myrtle and Maria are my colleagues.

Myrtle和Maria是我的同事。

They are also my good friends. 他们也是我的好朋友。