人教版 (2019)必修 第二册Unit 2 Wildlife protection备课ppt课件

这是一份人教版 (2019)必修 第二册Unit 2 Wildlife protection备课ppt课件，文件包含人教版高中英语必修二Unit2WildlifeProtection-DiscoveringUsefulStructures课件pptx、人教版高中英语必修二Unit2WildlifeProtection-DiscoveringUsefulStructures教案docx等2份课件配套教学资源，其中PPT共24页， 欢迎下载使用。
Have a gd understanding f the structure f the present cntinuus passive vice and its functin;Master the usage f the present cntinuus passive vice thrugh practice;Use the present cntinuus passive vice flexibly in the real cntext.
Teaching bjectives
(3) What measures are being taken t help them?
(2) What is being dne t help them?
(1) African elephants are being hunted.
Underline the present cntinuus passive vice in the sentences and discuss its functin.
Hunters are hunting African elephants.
What are peple ding t help them?
What measures are peple taking t help them?
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。
被动语态的构成1. The bk was written by Lu Xun.2. The classrms are cleaned by students every day.3. This maths prblem can be wrked ut by little Tm.被动语态的构成：主语+ be(am/is/was/are/were) +dne
1. The plan ___________________ this mnth. 计划本月正在执行。2. Yur cmputer __________________ nw.现在没人修理你的电脑。3. ___ these fields _______________ this week？这周有人在给这些地浇水吗？4. Where___ yu ______________________ nw？ 现在你们在哪里接受面试？
is being carried ut
is nt being repaired
肯定形式：am/is/are＋being＋过去分词
否定形式: am/is/are＋nt＋being＋过去分词
疑问形式: Am/Is/Are＋主语＋being＋过去分词？
特殊疑问句的形式: 把特殊疑问词放在一般疑问句前面。
现在进行时的被动语态的构成
eg：They are building tw stadiums.
Tw stadiums ______________ by them. Hw many stadiums ______________?
are being built
原句主语 by的宾语宾语 主语 谓语由主动 被动
原句意思不变 原句时态不变 原句主谓宾以外成分不变
主动语态变被动语态的原则
①表示说话时正在进行的被动动作,句中常用nw, right nw, at this mment, at present,these days(这些天来)等时间状语。
Sme fd is being eaten by the bear.
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.
1. 表示此刻正被进行的动作,句中常用nw, right nw, lk, at present, at the mment等时间状语连用。
She is being examined by the dctr nw.
Lk! The children are being dne care f by their aunt.
看！孩子们正由他们姑妈照顾
她现在正在接受医生的检查。
Basic Usage基本用法
2. 表示现阶段正被进行的动作（说话时不一定正在进行）。
A new factry is being built.
一座新的工厂正在建设中。
These animals are being hunted at such a speed that theywill disappear sn.
这些动物正以如此快的速度被猎杀，以至于它们很快就会消失。
3.表示一种习惯性的被动动作，常与__________________________________等词连用，表示有赞赏、羡慕、讨厌等感情色彩。
ften, always, frequently, cnstantly
Tm is always being praised by the teacher .
Tm 总是被老师表扬。
He is ften being bullied by ther bys.
他经常被别的男孩子欺负。
1. Jim may be being interviewed by the reprters at the very mment.
情态动词may/ can/ must...
恰好在那个时刻，吉姆可能正在被记者采访着。
2. “_________________”结构可代替现在进行时的被动语态。
be + under/in/n + n.
2. The lift is in use. = The lift is being used. The bridge is under repair. = The bridge is being repaired.
Special Usage特殊用法
1. With the ppulatin increasing, mre land is needed.
2. Jhn, cme here. Yu are wanted n the phne.
为什么不是现在进行时的结构呢？
1. Underline the present cntinuus passive vice in the sentences and discuss its functin.
Find mre sentences with the same verb frm in this unit.
They are being hunted, illegally, fr their valuable fur.
Much is being dne t prtect wildlife.
African elephants are being hunted.What is being dne t help them?What measures are being taken t help them?
2. Chse the suitable verb frms t cmplete the sentences.
1. I'm (wrking/being wrked) at hme tday because my ffice is (painted/being painted).2. The alarming reprt is (written/being written). It will be finished sn.3. What part f the city is (attacked /being attacked) nw?4. Right nw, the deer are (watched/being watched) ver by many vlunteers.5. Wh is (hunting /being hunted) the kangars? Where are they (hunted/being hunted)?6. It is reprted that living spaces fr wildife are (being reduced /reduced) due t the cutting f trees.
3.根据汉语完成句子①The sprt center ____________________________________(建造中) and is said t be pen t the public in 2021.②A new medicine t cure cancer __________________(研发中) at the present time.③The cause f the accident __________________(调查中) as there is n need t wrry.④He _________________(惩罚) by ur teacher at the mment.
is being cnstructed/under cnstructin
is being develped
is being lked int
is being punished
⑤It is reprted that many a new huse ______________ (build) at present in the disaster area.
is being built
⑥Traditinal flk arts f Tianjin like paper cutting ___________________ (exhibit) at the culture shw f the 2010 Shanghai Wrld Exp.
are being exhibited
⑦— Hi, Terry, can I use yur cmputer fr a while this afternn? — Srry. It ________________ (repair).
is being repaired
⑧Wuld yu please keep silent? The weather reprt ________________ (bradcast)and I want t listen.
is being bradcast
4. Liu Ta wuld like t express his cncern ver the wetland in his hmetwn. Help him finish the passage with the present cntinuus passive vice f the verbs in brackets.
In the wetland f my hmetwn, there are many different kinds f animals, including wild birds, fish, snakes, insects and s n. When I was in primary schl, I ften went there with my friends t watch the birds and study them. That was an interesting place fr all f us. But things have begun t change in recent years. Small birds ________________ (catch) with nets. Wild ducks ________ (sell) at fd markets. Fish and snakes _______________ (kill) fr fd in restaurants. And even wrse, the wetland _____ (destry). Sme part__________________(cver) with new huses. Yu can see rubbish everywhere. The wetland ________________ (pllute) seriusly every day. I am very wried abut it. What can we d?
are being caught
are being sld
are being killed
is being destryed
is being plluted
are being cvered
5. In grups, discuss the questins belw. Prepare t give a presentatin f yur ideas t the class.
What d yu knw is being dne in yur neighburhd t prtect animals and plants?
What suggestins d yu have?
Sample Cnversatin
A: What is being dne in ur neighburhd t prtect animals and plants?
B: Well, the ld trees in the park are being prtected.
A: Oh yes. They are being prtected nt nly because they are very ld but als because they are the natural habitat fr sngbirds.
D: Yes, that wuld certainly help make the air cleaner fr them.
C: That's right. Perhaps they culd help prtect the birds by making the rads arund the park free frm cars.