Unit 4 Wildlife Protection被动语态-课件(27张ppt)-

(共27张PPT)
Unit 4
Unit 4 Wildlife protection
被动语态的时态
1. 一般现在时被动语态: am/is/are + done
e.g. The Olympic Games __________
___________________________
奥运会通常在大城市举办。
2. 一般过去时被动语态: was/were + done
e.g. The last Olympic Games ________
in Rio.
上届奥运会是在里约举办的。
are usually
held in big cities.
were held
3. 一般将来时被动语态:
will/shall + be done
be going to + be done
be to + be done
孩子如果有点发烧，应该要送到医院去。
(1)The children _______________hospital if
they have a slight fever.
(2)The children ____________________ to
hospital if they have a slight fever.
(3)The children ____________________
hospital if they had a slight fever.
will be taken to
are going to be taken
are to be taken to
这项工作将被做。
This work will be done.
This work is going to be done.
This work is to be done.
4. 现在完成时被动语态:
have /has + been done
用法
（1）表示过去开始的被动动作一直持续到现在。
（2）表示某被动动作对现在造成的影响或结果。
e.g.
The Olympic Games have been held 31 times.
5. 现在进行时被动语态:
am/is/are + being + 过去分词
e.g.
–Why it is so noisy out there
– Oh, it’s because the road is being repaired.
1. We are being killed for the wool beneath our stomachs.
2. Our fur is being used to make sweaters…
3. I wonder what is being done to help you.
4. Daisy turned around and found that she was being watched…
5. So good things are being done…
现在进行时的被动语态
我妹妹现在正在被采访。
My younger sister is now being interviewed.
一个新火车站正在建设中。
A new railway station is being built.
A. 陈述句：
主语 + am/is/are + being + done
现在进行时的被动语态
结构
B. 疑问句：
一般疑问句
Is your younger sister now being interviewed？
Am / Is / Are + 主语 + being done
现在进行时的被动语态
My younger sister is now being interviewed.
结构
特殊疑问句
What is being discussed now
现在什么事情正在被讨论中？
Where is the new science lab being built
新的实验室正在哪里建造？
疑问词 + am/is/are (+主语) + being done
现在进行时的被动语态
结构
表示“某人某事正在被……”
经常和时间副词now (现在), right now (现在, 此刻), at present (现在,目前), at this moment (此刻)连用。
用法
1.English is being taught by Miss Lee now.
2.New functions are being added to the camera at present.
主语和谓语动词之间是被动关系, 而且动作正在进行。
意义
现在进行时的被动语态:
am/is/are + being done
表示说话时正在进行的被动动作，强调主语是动作的承受者。
e.g.
瞧！那个婴儿正由他的姑姑照料着。
Look! The baby ________ taken care of by
her aunt.
is being
2) 表示现阶段正在进行的被动动作，说话时不一定在进行。
e.g. 这一阵子许多讲座正在举行。
Many speeches _________ held these days.
are being
3) 表示按计划或安排将要进行的被动动作
（仅限于少数及物动词）
e.g.今晚将要进行一场圣诞晚会。
A party is being held tonight.
1. 这个问题现在正在被讨论。
The problem is being discussed now.
=The problem is under discussion now.
2. 这个电话正在被用。
The telephone is being used.
= The telephone is in use.
① be + under / in / on +n.的结构含有被动意义，可代替进行时的被动语态。
② 一些表示“心理活动, 拥有, 存在”等动词, 如“have, want, need, love, realize”等，一般不用现在进行时被动语态, 而用一般现在时被动语态。
e.g.
1. Alice, come here. You are wanted on the
phone.
2. With the population increasing, more land
is needed.
I. 用所给词的适当形式填空。
1. A: Where is Kate
B: She ________________ (criticize) by the teacher in the office.
2. A: Where are the children
B: They _____________________ (take care of) by their aunt.
is being criticized
are being taken care of
II. 用被动语态改写下列句子。
1. They are studying the problem at the research centre.
The problem is being studied at the research centre.
2. She is teaching the boy a lesson.
3. Now he is making the girl laugh.
4. They are revising the laws to protect the rights of women and children.
The boy is being taught a lesson.
Now the girl is being made to laugh.
The laws are being revised to protect the rights of women and children.
Try and see if you can help fill in the following form.
Questions Answers
Who is studying the rhino The rhino is being studied by _________
___________________
Who is protecting the African elephant The African elephant is _________________
__________________.
Peking University students.
being protected by the WWF
Questions Answers
Who is hunting the Tibetan antelope The Tibetan antelope is
________________________________________________________________________________
Who is taking photos of the panda The panda is _________
___________________.
Who is killing the whales The whales __________
____________________
__________________
being hunted by people who wish to take the fur from under their stomachs.
being photographed by Daisy
are being killed by the Japanese fisherman.
Questions Answers
Who is attacking the mice The mice __________
___________________
What is being done for the Milu deer They are being kept in
___________________
What is being done for the rhino It is being __________
___________________
___________________
are being attacked by the cat.
a reserve near Beijing.
protected by the government of the countries where it lives.
Questions Answers
What is being done to the rainforest It is _________________
__________________________________________.
What is being done to millipedes They ________________
__________________________________________
being destroyed by the poor farmers who want land to grow crops
are being used to make drugs to protect people from mosquitoes.
Homework
Finish exercises 3&4 on page 29.