摘要:转换图示: 1.主动语态变为被动语态的步骤: (1)将主动句的宾语变为主语: 注意:如果主动句的宾语是代词.需将其由宾格变为主格.如: Tom killed him. → He was killed by Tom. (2)将动词改为"be+过去分词". 注意: They held a meeting yesterday. → A meeting was held by them yesterday. 他们昨天开会了. (3)将主动语态的主语改为be-放在谓语动词后. 注意:如果原主语是代词.则应由主格变为宾格. He sang a song. → A song was sung by him.

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