高中英语人教版 (2019)必修 第二册Unit 2 Wildlife protection背景图课件ppt

这是一份高中英语人教版 (2019)必修 第二册Unit 2 Wildlife protection背景图课件ppt，共22页。PPT课件主要包含了例句探究规律，When，Summary，小 妙 招等内容，欢迎下载使用。

What are the wrkers ding nw?
A huse is being built by the wrkers.
The wrkers are building a huse.
The Present Prgressive Passive Vice
We’re being killed fr the wl羊毛 beneath ur stmachs. And ur fur软毛 is being used t make sweaters fr peple like yu.
We are being hunted fr ur ivries象牙.
• 1. D yu knw any ther endangered wildlife in China that is nt being prtected?• 2. We’re being killed fr the wl beneath ur stmachs.• 3. Is their fur being used t make sweaters fr peple like yu?• 4. What gd things are being dne here t save lcal wildlife?
结构：_________________
am / is / are being +dne
A basketball is being played by Miki.
A bk is being read by the girl.
Our fur is being used t make sweaters fr peple like yu.……
小结：Present Prgressive Passive Vice 现在进行时的被动语态
主语 + am/is /are+ being +dne …
1. She is being treated in China nw.
2. My cmputer is being repaired nw. 我的电脑正在修理中。
Am/Is /Are +主语 + being + dne…
e.g.: 1. Are these bks being sent t Beijing？
Is the wall being painted？
疑问词 When Hw Where Why What
When is the wall being painted
When d we use the Present Prgressive Passive Vice?
①表示说话时正在进行的被动动作. (nw, at the mment等)
Actins are being taken t realize Chinese Dream.为实现中国梦，人们正在采取行动。
②表示现阶段正在进行的被动动作. (说话时不一定在进行)
The prblem f fd safety is being studied by scientists at present.
③表示一种习惯的被动行为 (always, cnstantly), 带有赞扬、羡慕、讨厌等感情色彩。
Children f ur neighbrs are always being praised by ur parents.
④与某些情态动词连用表示对正在发生的动作进行推测。
As a result f staying up late talking last night, Jimmy may be being sclded训斥 by his headteacher.
现在进行时的被动语态的基本结构
像take care f, lk after, talk abut, think f等动词与介词构成的短语用于现在进行时的被动语态时, 其中的介词不可省略。 The ways t stp illegally hunting are being talked abut. 阻止非法捕猎的方法正在研讨中。
2. “be (am/is/are)+under/in+n.” 有时可相当于现在进行时的被动语态。Many questins are under discussin. =Many questins are being discussed. 许多问题正在被讨论。
3. 有时表“状态, 心理活动, 情感”等的动词, 常用在一般现在时的被动语态表示“正在进行”。The runaway逃走的人 f the traffic accident is wanted by the plice. 警方正在通缉交通事故的逃逸者。The plan is being discussed at the meeting nw. 现在这个计划正在讨论过程中。A new law is being made t prevent endangered animals frm extinctin. 为了阻止濒危动物的灭绝新的法律正在制定中。
Wrkers are cutting dwn sme trees in the park. →Sme trees are being cut dwn by wrkers in the park. (被动语态)→Where are sme trees being cut dwn by wrkers? (特殊疑问句)
Challenge Time!
用所给动词的适当形式填空1. Histry is _________ by the peple. ( make)2. Sme trees ________________ n the hill山丘 nw. (plant)3. A new subway _____________ (build) next year.4. She ______________ (take) t the hspital already.5. Thusands f satellites卫星 ______________ (send) up int the space s far.6. Ntes ______________( take) by yu right nw.7. Yung trees shuld ___________(water) ften.
are being planted
will be built
has been taken
have been sent
are being taken
8.The grammar which ________________(learn) nw is easy t master.  9.Sme animals _________________(prtect) well enugh nw.  10.The sprts meeting ___________(hld) in ur schl at present.  11.My washing machine _______________(repair) this week, s I have t wash my clthes by hand.  12.Lk! She _______________(criticize) by the teacher in the ffice.
are being learned
are being prtected
is being held
is being repaired
is being criticized
“三变”原则:原主变为by短语，原宾变为现主语；谓语主动变被动。“三不变”原则: 原句意思不变，原句时态不变；原句主谓宾以外成分不变。