内容正文:
被动语态
教学目标
1. 知识目标:学生能够理解和掌握被动语态的基本知识点。
2. 能力目标:通过本课对被动语态的学习,学生可以熟练灵活地运用被动语态。
3. 情感目标:让学生了解被动语态的重要性,鼓励学生不断学习,养成良好的学习习惯。
Play a game
击鼓传花
A story
被打的豆豆
遥远的小岛上,住着一个倒霉蛋,它叫豆豆,那里的人只有三件事要忙,吃饭,睡觉,打豆豆。
你看,它总是被打,还不知道是谁打的。
Doudou is always beaten
by someone.
昨天晚上 ,夜黑风高,它又被打了。
Doudou was beaten
yesterday evening.
明天,豆豆还会面临n顿暴打,可怜的豆豆啊。
Tomorrow ,Doudou will be beaten several times .
可怜的豆豆,已经被这样打了很多年。命运一直没有改变。
Poor Doudou has been beaten for many years.
我们亲爱的豆豆现在在干嘛,不用问,一定是正在被打 。
Our dear doudou is being beaten now .
随时可能被打的豆豆啊,谁来救救它啊。
Poor Doudou may be beaten anytime .
被动语态
The Passive Voice
英语动词有两种语态:
主动语态 (the Active Voice)
被动语态 (the Passive Voice)
A. 主动语态表示主语是动作的执行者。
B. 被动语态表示主语是动作的承受者。
We plant the tree.
The tree is planted by us.
注:后面能接宾语的动词才有被动语态
We speak English.
主语
谓语
宾语
English is spoken by us.
主语
谓语
宾语
主动语态
被动语态
They clean the classroom .
他们打扫教室。
The classroom is cleaned by them .
教室被他们打扫。
(一)被动语态基本用法:
当句子的主语是动作的执行者时,谓语的形式是主动语态。当句子的主语是动作的承受者时,谓语要用被动语态。
(二)被动语态基本结构:
be + 动词过去分词(及物动词)
有各种时态的变化
1.规则动词的过去分词:
1)一般情况在动词原形后加-ed
watch---watched
2)以不发音e结尾的加-d
practice---practiced
3)以辅音加y结尾的,去y变i加-ed
study---studied
4)以重读闭音节结尾,末尾只有一个辅音字母,先双写该辅音字母,再加-ed
stop---stopped
动词过去分词的变化:
2.不规则动词的过去分词:
am
is
are
was
were
been
have
has
had
do
done
write
written
go
gone
动词过去分词的变化:
(三)主动语态变被动语态:
(1)把原来的宾语提到前面作被动语态的主语;
(2)把谓语动词变成被动结构(be+过去分词) (根据被动语态句子里的主语的人称和数,以及原来主动语态句子中动词的时态来决定be的形式)。
(3)把主动语态中的主语放在介词by之后作宾语,将主格改为宾格。如:
They make the bikes .
The bikes
.
are made
them
by
主变被步骤:
1.找宾语: 即动作的承受者(改为主语)
He washed his car yesterday.
His car
3. 判断新主语的单复数:确定be动词的单复数.
be
4. 判断动词的时态 : 即be动词的时态.
2. 修改谓语的语态:即be+原V.过去分词
washed
5. 修改原句的主语 :即by +主语(变宾格).
(by him)
yesterday.
is
was
was
※一般现在时
※一般过去式
一般将来时
过去将来时
现在进行时
过去进行时
现在完成时
过去完成时
※带有情态动词的被动语态
am/is/are done
was/ were done
will/shall be done
am/is/are going to be done
would/should be done
was/were going to be done
am/is /are/ being done
was/were be