摘要: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. 2.主动语态变为被动语态的注意事项: (1)主动句中的主语如果是people, we, you, they, somebody等含糊地表示"人们"."大家"的单词.变为主动句时.通常删去"by-".但原主语被强调者除外.如: They set up this hospital in 1975. → This hospital was set up in 1975. 这所医院建于1975年. Only he can finish the job. → 只有他能完成这项工作. The job can be finished only by him.这项工作只能由他来完成. (2)含有双宾语.即直接宾语和间接宾语的句子.每个宾语都可变为被动语态的主语.即其被动语态有两种形式.但多以间接宾语作主语. Jack told us the truth.杰克告诉了我们真相. We were told the truth by Jack. The truth was told (to) us by Jack.

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