英语被动语态的复习知识

英语被动语态的复习知识

熟记结构

被动语态的结构为助动词be+及物动词的过去分词(p.p)。被动语态的不同时态是通过be的时态变化来表示的，其人称和数方面应与主语保持一致。其具体变化为：

一般现在时：am/is/are+p.p.

一般过去时：was/were+p.p.

一般将来时：shall /will be +p.p.

现在完成时：have /has been +p.p.

现在进行时：am/is/are+being+p.p.

过去将来时：should /would be +p.p.

含情态动词的被动结构：情态动词+be+p.p.例如：

① Chinese ______ by the largest number of people.

A.speak

B.is speaking

C.speaks

D.is spoken

(选D。考查一般现在时的'被动语态)

② The boy ______ to get supper ready after school.

A.were told

B.is telling

C.was told

D.tells

(选C。考查一般过去时的被动语态)

③ A lot of new roads ______ built in the west of China.

A.must

B.must be

C.has

D.have

(选B。考查含情态动词的被动语态)