英语中be动词的用法口诀（英语be动词用法小结）

英语中的be动词可以作为“系动词、助动词”使用，在短语和句型中也十分常见，表“是、成为”之意。be动词随主语的人称、数以及时态的变化而变化。

be动词形式有：am/is/are/was/were/being/been

一、be动词作为助动词

be动词作为助动词，可用于不同时态和语态之中，它随主语的人称、数以及时态的变化而变化。be动词在不同时态中的形式如下：

(1) 一般现在时：am/is/are

She is our Chinese teacher. 她是我们的语文老师。

They are from Chengdu China. 他们来自中国成都。

(2) 一般过去时：was/were

Their parents were already in sixties. 他们的父母已经60多岁了。

(3) 一般将来时：will/shall be

We will be late for the class. 我们上课会迟到的。

(4) 现在进行时：am/is/are v-ing

They are watching TV in the living room now. 他们正在客厅看电视。

(5) 过去进行时：was/were v-ing

He was doing his homework when I called him yesterday night. 昨晚我给他打电话时，他正在写作业。

(6) 将来进行时：will/shall be v-ing

I will be playing the piano between 8 PM and 8:30 PM tomorrow night. 明天上午8点至8点半，我会弹钢琴。

(7) 现在完成时：have/has been

I have been to Shanghai with my parents before. 我和父母以前去过上海。

(8) 过去完成时：had been

I had been in this company since it was created in 2010. 自从这家公司2010年创立以来我就一直在这里工作。

【be动词用于一般现在时用法口诀】

我用am, 你用are, is连着他她它。

单数名词用is, 复数名词全用are。

【be动词用于一般过去时的基本规则】

1.I/he/she/it/单数名词 was…

2.we/you/they/复数名词 were…

(二)、be动词用于被动语态：

(1)一般现在时被动语态：am/is/are PP

Wine is made from grapes. 葡萄酒是由葡萄酿制的。

(2)一般过去时被动语态：was/were PP

The girl was asked some questions by her teacher. 女孩的老师问了她一些问题。

(3)一般将来时被动语态：

shall/will be PP

am/is/are going to be PP

A new airport is going to be built in Chengdu soon. 成都不久之后将修建一座新机场。

(4)现在进行时被动语态：am/is/are being PP

The Autumn Sport Meeting is being held in our school now. 我们学校正在举行秋季运动会。

(5)过去进行时被动语态：was/were being PP

His bedroom was being cleaned at ten yesterday morning. 他的卧室是昨天上午十点钟打扫的。

(6)现在完成时被动语态：have/has been PP

All of his homework has been finished. 他的所有作业都完成了。

(7)过去完成时被动语态：had been PP

The second class had been finished by the time he arrived at school. 当他到大学校时，第二节课已经上完了。

(8)将来完成时被动语态：will/shall have been PP

The new Sports Center will have been finished by October 15th. 新的体育中心将在10月15日前竣工。

二、be动词作系动词

be动词作系动词，后面常跟形容词、名词、副词、介词短语等作表语。系动词和表语组成系表结构作谓语，说明主语的身份、状况以及特征等。

(1) He is tall and strong. 他又高又壮。

(2) She is a middle school student. 她是一名中学生。

(3) His parents are still in bed. 他的父母还在睡觉。

(4) We will be out of food in two days. 两天后，我们就没有食物了。

【be动词使用核心要诀】

*be动词随主语人称和数的变化而变化。

*be动词随句子时态变化而用不同形式。

*be动词是构成被动语态的必备条件。

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