被动语态

一般现在时的被动语态：

承受者+be（is/am/are）+done（过去分词）by+执行者

E.g.：Many schools are built（done）every year in the city.

note：地点状语，时间状语一般都放在句末；in the city 特指。

其中be的使用取决于主语的单复形式。

A lot of修饰可数和不可数名词

Many修饰可数名词

Mach修饰不可数名词

主动：They all read（原形）English every day.

被动：English read （过去分词）by all of them every day.

主动：Mother often scolds me.

被动：I am often scolded by mother.

一般过去式的被动语态

承受者+be（was/were ）+done（过去分词）by+执行者（不明确可省略）。

E.g.主动：He repaired his bike yesterday.

被动：His bike was repaired by him yesterday.

主动：Children cleaned： many streets last Sunday.

被动：Many streets were cleaned by children last Sunday.