人教高中英语必修2Unit 2 Wildlife Protection学案：Discovering

Discovering Useful Structures——现在进行时的被动语态
①They are being hunted，illegally，for their valuable fur.
②Much is being done to protect wildlife.
〖自主发现〗
上面句子中谓语为：现在进行时的被动语态，强调动作正在被进行。

一、含义
现在进行时的被动语态表示现在或现阶段正在进行或发生的被动动作，强调主语是动作的承受者。

二、结构
1．肯定式：主语＋am/is/are ＋being done
Some trees are being cut down in the park.
公园里的一些树木正在被砍伐。

2．否定式：主语＋am/is/are＋not being done
It is reported that the water in the lake is not being protected now.
据报道，这个湖里的水现在没有得到保护。

3．一般疑问式：Am/Is/Are (not)＋主语＋being done
Are the babies being taken care of by this nurse?
这些婴儿正由这个护士照看吗？
4．特殊疑问式：特殊疑问词＋am/is/are(not)＋主语＋being done
Who is being trained for the coming English speech contest?
为了即将举行的英语演讲比赛，谁正接受训练？
同义句转换
They are building a modern school in his hometown.
①A__modern__school__is__being__built__in__his__hometown.(改为被动语态)
②A__modern__school__isn’t__being__built__in__his__hometown.(把①句改为否定句)
③Is__a__modern__school__being__built__in__his__hometown? (把①句改为一般疑问句)
④Where__is__a__modern__school__being__built? (对①句就in his hometown进行提问)
三、用法
1．表示说话时正在进行的被动动作。

句中常用now，at the moment等时间状语。

My younger sister is now being interviewed.
我妹妹现在正在接受采访。

He is now being treated in China.
现在，他正在中国接受治疗。

2．表示现阶段正在进行的被动动作(说话时不一定在进行)。

These animals are being hunted at such a speed that they will disappear soon.
以如此速度捕杀动物，它们很快就会消失。

Preparations are being made for the 2021 Olympic Games in Tokyo.
东京正在为2021年奥运会做准备。

3．表示一种习惯的被动行为，常与always，constantly，often等词连用，表示有赞赏、羡慕、讨厌等感情色彩。

I feel very surprised that the window of our classroom is often being broken.
我感到非常吃惊的是我们教室的那扇窗户经常被打破。

Tom is always being praised by the teacher.
汤姆总是被老师表扬。

4．与某些情态动词连用，表示对正在发生的动作的推测。

Jim may be being interviewed by the reporters at the very moment.
吉姆此刻可能正在被记者们采访。

—Do you know what Smith is doing?
—He is ill.He may be being examined by the doctor.
——你知道史密斯正在做什么吗？
——他病了。

他可能正在接受医生的检查。

〖名师提醒〗
(1)stay，love，have，want，belong to等一般不用于现在进行时的被动语态。

(2)“be＋under/in等介词＋名词”结构可用来表示现在进行时的被动语态的含义。

The telephone is in use.
＝The telephone is being used.
电话正在使用中。

补全句子
①The little boy has made rapid progress recently and is__always__being__praised by his teachers.
那个小男孩最近进步很快，总是被他的老师表扬。

②The plan to explore the South Pole is__being__made these days.
最近正在制订勘探南极的计划。

③Because of bad scores，Jimmy may__be__being__beaten by his father at the very moment.
由于成绩不好，吉米此刻可能正在挨父亲打。

④The question about where is the factory going to be built is__being__discussed now.
关于在哪儿建厂的问题现在正在被讨论。

⑤A project about protecting the natural resources is__being__designed．
正在设计一个保护自然资源的项目。

Ⅰ.用所给词的适当形式填空
1．They are living with their parents for the moment because their own house is__being__rebuilt (rebuild)．
2．This question you brought up is__being__discussed (discuss) at the meeting now. 3．These children are__being__looked (look) after by an old man now.
4．Wait a minute.The dishes for the dinner are__being__cooked (cook) in the kitchen.
5．He is__being__punished (punish) by our teacher at the moment.
6．The sports meeting is__being__held (hold) in our school now.
7．So many things are__being__done (do) here to prevent air pollution.
8．A bridge is__being__built (build) in the distance and its construction will__be__finished (finish) in a year.
Ⅱ.单句写作(用现在进行时的被动语态)
1．Many interesting experiments are__being__carried__out (正在被执行) these days. 2．At the moment my house is__being__repaired (正在被修理)．
3．She is__being__interviewed (正在被采访) by several reporters now.
4．The evening party the children are looking forward to is__being__held (正在被举行) now.
5．A new park is__being__built (正在被建) here.They hope to finish it next year. 6．You aren’t allowed to go into the meeting room.A secret plan is__being__made (正在被制订) there.
7．The law is__being__discussed (在讨论当中)．
8．A new song is__being__taught (正在被教) by the teacher.
9．The water in the lake is__being__polluted (受到污染) now.
10．Is the meeting being__held (正在进行) in the hall now? (hold)
Ⅲ.用现在进行时的被动语态完成语段
Ladies and gentlemen，welcome to our city.Look! Many a building 1.is__being__built (正在建造) now in the center of the city.More than one subway 2.is__also__being__constructed (正在被建设)．It’s said that at least a new stadium and a new swimming pool 3.are__being__designed (正在被设计) by the City Construction Company.Well，as you can see，the trees and flowers 4.are__being__planted (正在栽种) on each side of the roads.5.Is__the__city__being__planned (这座城市被规划) to develop into a big city? The answer is yes.Imagine that you 6.are__being__shown__around (被领着参观) the city again in the future.Aren’t you happy with that? Let’s just wait and see!
Ⅳ.语法填空
We all need help from time to time.When we’re very young or very old，we often need help with just about everything.Sometimes that help comes from people 1.____________ job is to provide certain types of 2.____________ (assist)．Sometimes that help comes from volunteers.
V olunteering has many benefits.Of course，making money is not one of 3.____________ (they)! If you volunteer to help others，you’ll notice that it doesn’t really matter that you don’t get paid.
The simple smile or “thank you” you receive is enough 4.____________ (let) you know that your efforts 5.____________ (appreciate)．In addition，volunteering to help others can give you 6.____________ (value) experience，help you gain new skills，and even lead to 7.____________ (make) new friends.
V olunteering can also be very educational.Some teachers and communities (团体) have developed 8.____________ (program) that specifically combine volunteering with educational goals.This unique combination of community service with teaching and learning is known 9.____________ service learning.
People can also learn the importance of volunteering and how they can make 10.____________ positive influence on their communities.Besides，communication and leadership skills are developed too.
〖语篇解读〗本文是说明文。

文章介绍了从事志愿工作的好处。

1．whose〖根据句子结构可知，该空是定语从句的关系词，先行词是people，关系词在定语从句中作定语，故填whose。

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2．assistance〖空格中所填单词在句中作of的宾语，故用assist的名词形式，表达“帮助”的意思，故填assistance。

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3．them〖作介词of的宾语用宾格。

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4．to let〖be enough to do sth“做某事足够了”。

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5．are appreciated〖appreciate与主语your efforts之间是被动关系，主语为复数，且此处说明的是一般情况，故用are appreciated。

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6．valuable〖根据该空后的名词experience可知，此处应用value的形容词形式。

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7．making〖lead to后用动名词作宾语，故填making。

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8．programs〖根据combine可知，此处应用program的复数形式。

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9．as〖be known as“被叫作……”。

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10．a〖make a(n)...influence on“对……有……的影响”〗。