I am not a teacher.

我不是老师。

Is Ms Li a teacher?

李女士是老师吗？

Mr Li was a teacher.

李先生是一名老师。

My mother is a teacher.

我妈妈是老师。

I want to be a teacher.

我想成为一名老师。

A teacher told him off.

一位老师训斥了他。

Mike's mother is a teacher.

迈克的母亲是一名老师。

I want to be a teacher too.

我也想成为一名老师。

“A man? How could a man be a teacher?”

“一个男人？男人怎么能当老师？”

“Anyway, they had a teacher.”

“总之，他们有一个老师。”