be动词用法

时间：2026-01-30 14:00:07来源：

“be动词”是英语中最基本的动词之一，用于表示状态或存在。它在不同语态和时态中形式不同，常见用法如下：

时态	be动词形式	例句
一般现在时	am/is/are	I am a student. She is happy. They are teachers.
一般过去时	was/were	I was late. They were tired.
一般将来时	will be	I will be there. He will be busy.
现在进行时	am/is/are + doing	I am studying. She is cooking.

be动词还常用于被动语态和疑问句中，如：“The book is on the table.” “Are you coming?” 掌握其正确用法对提高英语表达能力至关重要。