一般現在時的被動語態：

　　承受者+be（is/am/are）+done（過去分詞）by+執行者

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

　　note：地點狀語，時間狀語一般都放在句末；in the city 特指。

　　其中be的使用取決于主語的單復形式。

　　A lot of修飾可數和不可數名詞

　　Many修飾可數名詞

　　Mach修飾不可數名詞

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

　　被動：English read （過去分詞）by all of them every day.

　　主動：Mother often scolds me.

　　被動：I am often scolded by mother.

　　一般過去式的被動語態

　　承受者+be（was/were ）+done（過去分詞）by+執行者（不明確可省略）。

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

　　被動：His bike was repaired by him yesterday.

　　主動：Children cleaned many streets last Sunday.

　　被動：Many streets were cleaned by children last Sunday.