内容正文:
Good afternoon!
Grammar
The Passive Voice
被动语态
How to describe the pictures?
The river was seriously polluted.
Some trees have been cut down.
语态是动词的一种形式,表示主语和动词之间的关系。英语动词有两种语态:主动语态和被动语态。主动语态动词的主语是动作的执行者,而被动语态动词的主语是动作的承受者。被动语态是动词的一种特殊形式,一般说来,只有需要动作对象的及物动词才有被动语态。
英语语态
被动语态的构成
worked
opened
closed
seen
taught
asked
work
close
open
ask
see
teach
e.g.
由助动词be + 及物动词的过去分词(V-ed)构成。助动词be有人称、数和时态的变化。
被动语态在不同时态的不同形式
被动语态的基本构成:
be + p.p
一般现在时(do, does)
is/am/are done
一般过去时(did)
was/were done
一般将来时(will do)
will be done
现在进行时(is/am/are doing)
is/am/are being done
过去进行时(was/were doing)
was/were being done
现在完成时(have/has done)
have/has been done
带情态动词(can/must/may do)
can/must/may be done
主动语态:S(主语)+P(谓语)+O(宾语)
被动语态:
S(主语)+
P(被动结构)+
by O(宾语)
一般现在时:
is/am/are+p.p
一般过去时:
was/were +p.p
一般将来时:
will be +p.p
详见上页
主动语态变为被动语态
People play basketball all over the world.
He hit me.
The workers will make a new machine.
Basketball is played by people all over the world.
I was hi