高中英语人教版 (2019)必修 第二册Unit 2 Wildlife protection优质课件ppt

这是一份高中英语人教版 (2019)必修 第二册Unit 2 Wildlife protection优质课件ppt，文件包含Unit2WildlifeProtectionPeriod4DiscoveringUsefulStructures精讲课件pptx、Unit2WildlifeProtectionPeriod4DiscoveringUsefulStructures分层练习原卷版docx、Unit2WildlifeProtectionPeriod4DiscoveringUsefulStructures分层练习解析版docx等3份课件配套教学资源，其中PPT共22页， 欢迎下载使用。

Teaching bjectives
1. Learn t knw the structure f present cntinuus passive vice.2. Learn t use present cntinuus passive vice t describe the nging events.3. Learn t use present cntinuus passive vice t describe the endangered animals’ cnditins and measures taken t help them.
Cntinuus（进行）
Present（现在）
is/am/are ding
Perfect（完成）
Perfect cntinuus（完成）
The past future（过去将来）
have/has dne
have/has been ding
was/were ding
Had been ding
will/shall d
will/shall be ding
will/shall have dne
will/shall have been ding
shuld/wuld d
shuld/wuld be ding
shuld/wuld have dne
shuld/wuld have been ding
Active vice(主动语态) 
Passive frm(被动语态) 
(1) I take a bk.
(1) The bk is taken by me.
(2) He waters the flwers every day.
(2) The flwers are watered by him every day.
(3) The famers dn't grw apples n the farm.
(3) Apples are nt grwn by the farmers n the farm.
(4) Can we put ur bikes here?
(4) Can ur bike be put here?
The structure f present cntinuus passive vice
Read the three sentences and try t find the functins f present cntinuus passive vice.
African elephants are being hunted.What is being dne t help them?What measures are being taken t help them?
by students.…
African elephants are being hunted.
am/is/are being
past participle
(by +Subject)
 Present cntinuus tense(现在进行时) 
 Present cntinuus passive tense(现在进行时被动语态) 
(1) I am reading a bk.
(1) The bk is being read by me.
(2) They are hunting a dear.
(2) The dear is being hunt by them.
(3) Tm is playing the guitar.
(3) The guitar is being played by Tm.
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。
1. Pandas are being prtected in Wlng Natinal Reserve.2. A mdern schl is being built fr the students these mnths.3. A Christmas party is being held tnight.4. Tm is always being praised by the teacher.
说话时正在进行的被动动作
现阶段正在进行的被动动作
按计划或安排将要进行的一个被动动作
1）肯定形式：am/is/are＋being＋过去分词
The huse is being painted.
2）否定形式: am/is/are＋nt＋being＋过去分词
The trees are nt being watered.
3）疑问形式: Am/Is/Are＋主语＋being＋过去分词？
Am I being watched ver?
4）特殊疑问句的形式: 把特殊疑问词放在一般疑问句前面。
Hw many bridges are being built in the village?
am / is / are dne
am / is / are being dne
was / were dne
shall / will be dne
was / were being dne
had been dne
shall / will have been dne
has / have been dne
The basic cmpsitin f passive vice
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 (reduced/being reduced) due t the cutting f trees.
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
are being sld
Fish and snakes ______________ (kill) fr fd in restaurants and even wrse, the wetland _________________ (destry). Sme parts ________________ (cver) with new huses. Yu can see rubbish everywhere. The wetland _________________ (pllute) seriusly every day. I am very wrried abut it. What can we d?
are being killed
is being destryed
are being cvered
is being plluted
现在进行时的被动语态1. 定义:表示说话时或现阶段正在进行的被动动作，强调主语是动作的承受者。2. 句型结构:肯定句：am/is/are + being + v-ed否定句：am/is/are + nt + being + v-ed一般疑问：Am/Is/Are + 主语 + being + v-ed +其他？特殊疑问句：疑问词 + am/is/are + being+ v-ed？疑问词 + am/is/are + 主语 +being + v-ed + 其他？3. 用法：(1)主语是动作的承受者且动作正在发生或持续。(2)一种习惯的被动行为，常与always, cnstantly 等频度副词连用，常有赞赏或讨厌等感情色彩。(3)与某些情态动词连用，表示对正在发生动作的推测。4. 特殊用法。
Revisin f the Passive Vice
Every year ver 29,000 antelpes ________ (kill) in Tibet.
2. In the past, the elephants __________ (kill) by farmers.
3. In the past twenty years, a large number f bamb areas ______________ (set up) t help pandas grw.
were killed
have been set up
4. At present a new hme ____________ (build) fr pandas.
is being built
5. WWF hpes that mre and mre wild animals ______________ (prtect) in the future.
will be prtected
6. Lily just tld me Jack ____________ (fire) since last mnth.
had been fired
7. My hmewrk ___________________ when yu arrive tmrrw.
will have been finished
In grups, discuss the questins belw. Prepare t give a presentatin f yur ideas t the class.
Pssible answer: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. C: That's right. Perhaps they culd help prtect the birds by making the rads arund the park free frm cars.D: Yes, that wuld certainly help make the air cleaner fr them…
What d yu knw is being dne in yur neighburhd t prtect animals and plants? What suggestins d yu have?
Finish Exercise 1-4 n P68, 69.