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5.含有短語動詞的主動句變成被動句時, 不要遺漏短語動詞中的介詞或副詞

　　　　 a. The children must be taken good care of. / Good care must be taken of the children.

4.帶有復合賓語 (即賓語+賓補) 的主動句變被動句時, 賓補的形式一般不變, 只是名稱變成了主補, 但當賓補是不帶to的不定式時, 要變成帶to的不定式

　　　　 a. I saw him play near the river. He was seen to play near the river.

3.帶有雙賓語的主動句變被動句時, 將直接賓語或間接賓語變成被動句的主語都可

　　　　 a. My brother gave me a birthday present.

　　　　 →I was given a birthday present. / A birthday present was given to me.

2.帶有賓語從句的主動句變被動句時, 賓語從句變成主語從句, 通常不位于句首, 句首用形式主語it

　　　　 a. We can learn from the text that delicious apples are big.

　　　　 →It can be learned from the text that delicious apples are big.

1.主動句中的賓語轉換成被動句的主語, 時態不變

　　　　 a. The manager gave me ten minutes to decide whether I should accept the offer.

　　　　 →I was given ten minutes to decide whether I should accept the offer.

3.強調或突出動作的承受者時, 用被動語態

　　　　 a. The plan has already been made.

　　　　 b. Yao Ming was elected MVP of the last week.

2.沒有必要或不想指出誰是動作的執行者時, 用被動語態

　　　　 a. China was liberated in 1949.

　　　　 b. I was told you were late this morning.

1.不知道誰是動作的執行者時, 用被動語態

　　　　 a. His bike has been stolen.

　　　　 b. This window was broken last night.

特別說明: 將來進行時和各種完成進行時態沒有被動語態形式

帶有情態動詞的被動語態的構成: 情態動詞 + be +過去分詞

　　　　 a. The work must be done right now.

　　　　 b. That prisoner may be sentenced to death.

2.用法: 過去將來時表示相對過去某一時刻來說將要發生的動作或呈現的狀態, 以上各形式的具體用法與一般將來時各形式的用法相似

被動語態