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;

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. 现在进行时的被动语态：

　　承受者+be{is/am/are being(现在分词)done by+执行者(不明确可省略)。

　　E.g. ：主动：He is writing his composition.

　　被动：His composition is being written by him.
　　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)。