英语动词有两种语态：主动语态 （the Active Voice）被动语....ppt

The Passive Voice
被动语态
龙江一中周雪芬
英语动词有两种语态:
主动语态(the Active Voice)
被动语态(the Passive Voice)
What is 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 planted the tree.
The tree was planted by us.
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
When to use it?
(1)当我们不知道谁是动作的执行者,或没有必要指出谁是动作的执行者时。
(2)当我们需要强调动作承受者,而不是
动作的执行者。
这本词典被保存完好(不需要说明是谁保存的) 。
这些书是在二十世纪二十年代发现的。
(强调书被发现而不是强调由谁发现)
The dictionary is well kept.
These book were found in the 1920s.
the Structure is
助动词be+及物动词的过去分词
(be+)
一般现在时: am / is / are done
一般过去时: was / were done
现在进行时: am / is / are being done
过去进行时: was / were being done
现在完成时: have / has been done
过去完成时: had been done
一般将来时: shall / will be done ; be going to be done
当句中含有情态动词时,句子结构为 can / must / have to…be done
He is regarded as a brilliant. 他被认为很有才气。
This book was written in 1969. 这本书是1969年写成的。
The broken bike is being repaired now. 那辆坏了的自行车正在被修理。
He told us the cat was being washed when we called him. 他告诉我们打电话时他正在给猫洗澡。
The pen has been used for several years. 这支钢笔已经用了几年。
He said the factory had been opened . 他说这家工厂已经开张。
The work will be finished in three hours. 工作将于三小时后完成。
The baby must be looked after well.  这孩子必须被好好照顾。
在改写中应注意:
;
“be + 过去分词”;
。
典型题例例1 将下列句子改为被动语态。 We clean our classroom every day. Our classroom is cleaned (by us) every day.
Tom broke the window.  
  
The window was broken by Tom.
Tom broke the windows. 
   
The windows were broken by Tom.
He broke the windows.  
  
The windows were broken by him.
We call the snowman Mr Strong.
The snowman is called Mr Strong.
He bought his friend some fruits yesterday.
His friend was bought some fruits yesterday.
Some fruits were bought for his friend yesterday.