要将含有情态动词的主动语态句子转换为被动语态,通常需要以下几个步骤:
1. 将情态动词放在主语和动词之间。
2. 将主动语态中的宾语变为被动语态中的主语。
3. 使用被动语态的结构,即“be + 过去分词”。
以下是一些例子:
主动语态:
She can swim.
He must clean the room.
They should finish the work by the end of the day.
被动语态:
The swim can be done by her.
The room must be cleaned by him.
The work should be finished by them by the end of the day.
在上述例子中,主动语态的宾语(she, him, them)变成了被动语态的主语,而情态动词(can, must, should)和动词(swim, clean, finish)的位置发生了变化,形成了被动语态。某些情态动词后面可能需要加上助动词have来构成完成时态的被动语态。
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