人教版 (2019)必修 第二册Unit 2 Wildlife protection课前预习ppt课件

这是一份人教版 (2019)必修 第二册Unit 2 Wildlife protection课前预习ppt课件，共20页。PPT课件主要包含了现在进行时的被动语态， 肯定式， 否定式， 一般疑问式，特殊用法，Practice，Homework等内容，欢迎下载使用。
deerkangarreduceduedue tinsectnetneighburhd
n. 鹿n. 袋鼠vt. 减少adj. 由于；因为由于；因为 n. 昆虫 n. = Internet; 网adj. 净得的；纯的n. 临近的地方；街区
Read after the tape and speak ut the Chinese immediately.
Game time
1. African elepants are being hunted.2. What is being dne t help them?3. What measures are being taken t help them?4. They are being hunted, illegally, fr their valuable fur.5. Much is being dne t prtect wildlife, …
The present cntinuus passive vice
语法感知——课文现在进行时被动语态原句
The Present Cntinuus Passive Vice(现在进行时的被动语态) is used in these sentences.
Its basic structure is:_____________________________.
am/is/are + being + v-ed
Fcus n 基本用法
Presentatin
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。
不知道或者不需要提及动作的发出者；强调动作的承受者
现在进行时的被动语态的构成
① We’re being killed fr the wl beneath ur stmachs.② S many things are being dne here t save lcal wildlife.
am/is/are + nt + being + v-ed
① The engineer is nt being treated fairly.②New nature parks are nt being started in China.
Am/Is/Are + 主语 + being + v-ed +其他？
① Is the patient being examined by the dctr nw?②Are milu deer being sent t China frm Britain?
①What is being dne fr the milu deer?② Why is the huse being cleaned by yu?
4. 特殊疑问式：
疑问词 + am/is/are + being+ v-ed？
疑问词 + am/is/are + 主语 + being + v-ed + 其他？
3.现在进行时的被动语态基本用法
(1)表示说话时正在进行的被动动作(表示此时此刻某事正在被做)。The sprt meeting is being held in ur schl.我校正在举行运动会。
(2)表示现阶段正在进行的被动动作，但此时此刻不一定在进行的被动动作。 A new building is being built.一座新大楼正在建造中。
(3)表示一种经常性的被动行为，常常和cnstantly,always,frequently等表示频率的副词连用,表示赞赏或者厌恶的感情色彩。Mary is always being praised by her parents.玛丽总是受到她父母的表扬。
(4)表示按计划或安排将要发生的被动动作(仅限少数及物动物)。A party is being held tnight.今晚将要举行一场晚会。
1.少数及物动词的被动语态可用现在进行时表将来。
① A ppular sng is being sung next.② A party is being held tnight.
2.一些表“状态、心理活动、情感、拥有、存在”等的动词, 如:have, want, need, lve, realize等，常用一般现在时的被动语态表示“正在进行”。
① Mary, cme here. Yu are wanted n the phne.
② With the ppulatin increasing, mre land is needed.
① The egg is cking 鸡蛋正在煮。
3.少数动词如ck,fry,make,build用于现在进行时态，用主动表被动含义。
①They are building a mdern schl in his hmetwn.②A mdern schl____________in his hmetwn.(改为被动语态)③A mdern schl______________in his hmetwn.(改为否定句)④____________________________in his hmetwn? (改为一般疑问句)
is being built
isn't being built
Is a mdern schl being built
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 wildlife are (reduced / being reduced) due t the cutting f trees.
2 Chse the suitable verb frms t cmplete the sentences.
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 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?
3 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.
are being caught
are being sld
are being killed
is being destryed
are being cvered
is being plluted
4 In grups, discuss the questins belw. Prepare t give a presentatin f yur ideas t the class.
Set animal prtectin signs
Establish a bird prtectin rganizatin
Prmte the knwledge f bird prtectin
affrestatin
What d yu knw is being dne in yur neighburhd t prtect animals and plants? What suggestins d yu have?
prtect animals and plants
Key wrds:1. set up animal prtectin rganizatin2. set animal and plants prtectin signs3. publicize knwledge f animals and plants prtectin 4. plant trees and affrestatin
Make cnversatin like this:A:What is being dne in ur neighburhd t prtect animals and plants?B: Well, ... are being prtected.A: The park is nt nly... , but als... We shuld : That's right.They :Yes, it will certainly make ...
A: What is being dne in ur neighburhd t prtect animals and plants?B: Well, the ld trees and birds in the park are being prtected.A: Oh, yes. The park is nt nly a natural habitat fr birds, but als a place fr us t play. We shuld learn t Prtect the envirnment and live in harmny with nature.C: That's right. We can set up animal prtectin rganizatin, set up animal and plants prtectin signs in the park, let vlunteers publicize (宣传) knwledge f animals and plants prtectin, plant trees and affrestatin, and let everyne participate in activities t prtect nature. D: Yes, it will certainly make effective utcme.
Cnversatin examples
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。
1.Review the new wrds and the exercise activity 4, discuss with classmates and make a presentatin.