(1)把主動(dòng)語(yǔ)態(tài)的賓語(yǔ)變?yōu)楸粍?dòng)語(yǔ)態(tài)的主語(yǔ)。

(2)把謂語(yǔ)變成被動(dòng)結(jié)構(gòu)(be+過(guò)去分詞) (根據(jù)被動(dòng)語(yǔ)態(tài)句子里的主語(yǔ)的人稱和數(shù)，以及原來(lái)主動(dòng)語(yǔ)態(tài)句子中動(dòng)詞的時(shí)態(tài)來(lái)決定be的形式)。

(3)把主動(dòng)語(yǔ)態(tài)中的主語(yǔ)放在介詞by之后作賓語(yǔ)，將主格改為賓格。例如：

All the people laughed at him.

He was laughed at by all people.

They make the bikes in the factory.

The bikes are made by them in the factory.

He cut down a tree.

A tree was cut down by him.

　　 歡迎使用手機(jī)、平板等移動(dòng)設(shè)備訪問(wèn)中考網(wǎng)，2024中考一路陪伴同行！>>點(diǎn)擊查看