Unit 2 Wildlife Protection Discovering useful structures 课件(共16张PPT)-人教版(2019)必修第二册

(共16张PPT)
Present continuous passive voice
BX2
Unit 2
Grammar
present continuous 现在进行时
What is the dog doing
--It is biting a person.
--此刻/现阶段正在进行的动作
structure：
主语 + am/is/are (not) doing +其他
passive voice 被动语态
What happened to the person
--He is biten by a dog.
--主语是动作的承受者而非发出者
structure：
主语 + be (not) done +其他
Present continuous passive voice
现在进行时的被动
What can you see from this picture
--一个人正被狗咬。
现在进行
+ 被动语态
sentence structure for Present continuous passive voice
现在进行时被动语态：
am/is/are being done
structure
现在进行：此刻/现阶段正在发生
被动：主语是动作承受者
现在进行：
被动语态：
being
含义
此刻/现阶段正在发生的被动动作
am/is/are doing
be done
+
structure
肯定结构
否定结构
一般疑问结构
特殊疑问结构
主语+ be(am/is/are)being done +其他
主语+ be(am/is/are)+not+being done+其他
be(am/is/are)+主语+being done +其他
特殊疑问词+be(am/is/are)+主语+being done + 其他
黄色小狗正在被训练；白色小狗没有在训练。
The yellow dog is being trained. The white dog isn’t being trained.
黄色小狗为什么被训练？怎么被训练的？
Why is the yellow dog being trained. How is it being trained.
function
（1）表示现在正在进行的被动动作。
The house _________________ (paint) by the man in blue. The cats ______________ （feed）by the little girl in the park.
is being painted
are being fed
(2) 表示现阶段正在进行的被动动作。(说话时不一定在进行)
function
A concert _________________ (hold) tonight in the new gym. Meetings ______________ （hold）to get prepared for it.
is being held
（3）少数及物动词的进行时表示按计划、安排将要承受某个动作。
are being held
function
The city is under attack at this moment = ___________________________________
The bridge is under construction at present.
___________________________________
The city is being attacked at this moment
The bridge is being constructed at present
(4) 可替换表示被动的“be +under/ in等介词+名词”结构
attation!
一些表示状态、心理活动、拥有、存在等的动词(和主动语态一样)一般不用进行时被动语态, 常用一般现在时被动语态表示此时此刻或目前主语承受谓语动词的动作。
小王, 过来,有你的电话。
Xiao Wang, come here. You are being wanted on the phone.
Xiao Wang, come here. You are wanted on the phone.
进行时被动语态表示一种经常性的被动行为,常与always, constantly, frequently 等词连用,往往带有赞扬、羡慕、埋怨、讨厌等感彩。
e. g. Children of our neighbors are always being praised by our parents.
Practice
1. Choose the suitable verb forms to complete the sentences.
1. I'm (working/being worked) at home today because my office is
(painted/being painted).
2. The alarming report is (written/being written). It will be finished soon.
3. What part of the city is (attacked /being attacked)now
4. Right now, the deer are (watched/being watched) over by many volunteers.
5. Who is (hunting /being hunted) the kangaroos
Where are they (hunted/being hunted)
6. It is reported that living spaces for wildife are (reduced/being reduced) due
to the cutting of trees.
Practice
2. Liu Tao would like to express his concern over the wetland in his hometown. Help him finish the passage with the present continuous passive voice of the verbs in brackets
In the wetland of my hometown, there are many different kinds of animals, including wild birds, fish, snakes, insects and so on. When I was in primary school, I often went there with my friends to watch the birds and study them. That was an interesting place for all of us. But things have begun to change in recent years. Small birds ________________ (catch) with nets. Wild ducks __________ (sell) at food markets. Fish and snakes _______________ (kill) for food in restaurants. And even worse, the wetland ________________ (destroy). Some part__________________(cover) with new houses. You can see rubbish everywhere. The wetland ________________ (pollute) seriously every day. I am very woried about it. What can we do
are being caught
are being sold
are being killed
is being destroyed
is being polluted
are being covered
practice
3. Look at the pictures and try to complete the sentences.
Nowadays, environment is get worse. Rivers and ocean __________________ (pollute) by factories. Thousands of trees _________________ (cut down) for making paper or building houses. What’s worse, a great number of wild animals ________________ (kill) for fur or meat.
are being polluted
are being cut down
are being killed
practice
3. Look at the pictures and try to complete the sentences.
Luckily, we are aware of this. Laws ___________ (set up) to for environmental protection. Rubbish in the rivers _______________ (collect) and the factories that pollute the rivers _______________ (punish). Wildlife reserves ______________ (build) for endangered animals.
are being set up
is being collected
are being punished
are being built
现在进行时的被动语态:
定义：表示“某人/事此时此刻正在被…”，主语是动作的承受者, 表示说话时或现阶段某个被动的动作正在进行。还可表示按计划、安排将要承受某个动作。可与be +under/ in等介词+名词”结构替换
肯定结构
否定结构
一般疑问结构
特殊疑问结构
主语+ be(am/is/are)being done +其他
主语+ be(am/is/are)+not+being done+其他
be(am/is/are)+主语+being done +其他
特殊疑问词+be(am/is/are)+主语+being done + 其他
Thanks!
PROTECT WILD ANIMALS