动词的形式可以表示主语和谓语动词的关系,动词根据主语是动作执行者或承受者分两种形式:主动形式和被动形式。如果主语是动作的执行者,则应该用动词的主动形式,如果主语是动作的接受者、受动者,则使用动词的被动形式。
看下面的句子:
主动句:People speak English all over the world.
被动句:English is spoken all over the world.
主动句:The police arrested the thief.
被动句:The thief was arrested by the police.
- 被动语态的结构:be 过去分词
- 被动语态的用法:
- 当我们不知道动作的执行者
- 不需要说明动作的执行者
- 被动语态的变化步骤:
- 划分句子成分找出主谓宾
- 把主动句的宾语放到被动句主语的位置上
- 确定时态,对号入座
- am/is/are done
- was/were done
- am/is/are being done
- was/were being done
- will be done
- have/has been done
- would be done
- had been done
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