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(共18张PPT)
第七章动词篇之语态
一 主动句与被动句
意义相同。
形式：主动句宾语 被动句主语
主动形式：主语 +谓语+宾语
被动形式：（主动句）宾语+be+过去分词+by+（主动句 ）主语
eg Farms grow corn
Corn is grown by farms.
1
一般将来时的被动语态
一般将来时
will do
一般将来时 be going to do
to be
一般将来时的被动语态
1. will/shall+be+done.
这个新电影将在下周二放映（shown）
The new film will be shown next Thursday.
2. be going to+be+done
这个问题将要在明天的会议上被讨论
The problem is going to be disscussed at the meeting tomorrow.
.
3. be to+be+done
The sports meet is to be held on April 10
注意：在时间、条件状语从句中，常用一般现在时的被动语态代替一般将来时被动语态。
如果我有足够的时间，我将会去日本去度假。
If I am given enough time, I will go to Japan for my holiday.
02
现在进行时的被动语态
点击此处添加正文，请言简意赅的阐述观点。
1. 表示此刻正在进行的被动动作
这个项目正在会议上讨论。
The project is being discussed at the meeting.
the house is being painted now.
正在给学生建造一个游戏中心。
A computer center is being built for the students.
表示现阶段正在进行的被动动作，但动作不一定此刻发生
表示经常的被动行为，常和always、often,constantly 等词连用。（表达某种感彩）
He is always being praised by her teacher.
注意”be+under/in 等介词+名词“表示现在进行时的被动语态
The problem is under discusstion at the meeting.= the problem is duscussed at the meeting.
现在完成时的被动语态
基本结构：has/ have been done
强调一个发生在过去的被动性动作。
1）表示动作已经完成，强调对现在的影响或结果。
2）主语与谓语动词之间为被动关系。
这些花已经被浇水了，你可以回家了。
These flowers have been watered, you can go now.
1. 用于不知道动作执行者是谁
his bike has been stolen.
2. 用于动作执行者时泛指或不言自明时
Not a book in the library has been taken away. (泛指没人拿书)
用法
My watch has been repaired.
3. 用于可以说出动作执行者但动作承受者是谈话中心或需要强调。
4. 出于委婉、礼貌而避忌提及自己或对方时
Enough has been said here on this question.
5. 用于广告、文章标题、（be 动词被省略）
Road Blocked
6. 用于动作的执行者不是人时
The house has been washed away by the storm.
7. 用于商务书信中书信起草人是以公司名义时
Your letter has been received.

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