英语动词be解析学习

本站：Be动词杂英语里有着十分重要的地位，需要牢牢掌握，下面我们一起看看这篇《动词be解析》。

Be动词一般现在时(一般现在时表示通常性、规律性、习惯性、真理性的状态或者动作发生有时间规律的一种状态)有三种形式，记住哦，只有三种形式。它们分别是：am,is,are.

陈述句：

The man is a science teacher.

这个男子是一位科学教师。

Mary's new dresses are colourful.

玛丽的新衣服色彩鲜艳。

I have been there before.

我以前去过那里。

My mother is in the kitchen now.

我妈妈现在在厨房里。

疑问句：

Is the man a science teacher?

Are Mary's new dresses colourful?

Have I been there before?

Is mother in the kitchen now?

否定句：

The man is not a science teacher.

The man isn't a science teacher.

They are not in the kitchen.

They aren't in the kitchen.

They're not in the kitchen.

时态中的助动词be：

Tony's maid is washing his new car.

The children are playing in the field.

Samuel was eating when I came in.

We have been living here since 1959.

被动语态中的助动词be

一般现在时：am/is/are+done

一般过去时：was/were+done

一般将来时：will+be+done

现在进行时：am/is/are+being+done

过去进行时：was/were+being+done

现在完成时：have/has+been+done

过去完成时：had+been+done

祈使句中的系动词be

Don't be silly!

Do be obedient!

Be careful!

Don't be a fool!

简单总结：

动词be分为系动词be和助动词be两种，系动词be是谓语的重要组成部分，助动词be则只起到形式的作用，由于主语和时态的要求，动词be要变成相应的形式。

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