江苏省2013年高三英语考前赢分30天第10天
考前赢分第10天 爱念才会赢
核心知识
被动语态的构成:
英语中的及物动词一般都有主动语态和被动语态两种形式。被动语态由助动词be 加过去分词构成。助动词be 随着主语的人称,数,时态和语气的不同而变化。
被动语态的各种时态形式见下表:
时
体
|
现在
|
过去
|
将来
|
过去将来
|
一般
|
is / am / are done
|
was / were done
|
will / shall be done
|
would / should be done
|
进行
|
is / am / are being done
|
was / were being done
|
will / shall be being done
|
would / should be being done
|
完成
|
have / has been done
|
had been done
|
will / shall have been done
|
would / should have been done
|
语态的用法
一、被动语态的用法