高中英語必修二 2.3 Discovering Useful Structure 課件(共16張)

1、人教版英語 必修第二冊 Unit 2 Wildlife ProtectionPeriod 3 Discovering Useful Structure The workers are building the house.the workers.What are the workers doing ？The houseis being built by主語謂語賓語The workersare building the house賓語主語 謂語變被動(dòng) （時(shí)態(tài)不變）be+being+done+bySomeone is hunting African elephant.someone .Africa

2、n elephantis being hunted by主語謂語賓語Someoneis hunting African elephant賓語主語 謂語變被動(dòng) （時(shí)態(tài)不變）be+being+done+by( )They are hunting Tibetan antelopes.them .Tibetan antelopesare being hunted by主語謂語Theyare huntingTibetan antelopes賓語主語 謂語變被動(dòng) （時(shí)態(tài)不變）be+being+done+by賓語( )Pandas are being protected in Wolong Natural

3、Reserve.Summarize the structureFrom above the pictures, we can know that the structure of present continuous passive voice:be(am/is/are) + being + doneOther forms:肯定結(jié)構(gòu)否定結(jié)構(gòu)一般疑問結(jié)構(gòu)特殊疑問結(jié)構(gòu)be(am/is/are)being donebe(am/is/are)notbeing donebe(am/is/are)主語being done特殊疑問詞be(am/is/are)主語being done1. The plan _

4、 this month.(肯定句) 計(jì)劃本月正在執(zhí)行。2. Your computer _ now.(否定句) 現(xiàn)在沒人修理你的電腦。3. _ these fields _ this week？(一般疑問句) 這周有人在給這些地澆水嗎？4. Where _ you _ now？(特殊疑問句) 現(xiàn)在你們在哪里接受面試？Examplesis being carried outis not being repairedArebeing wateredarebeing interviewedUsage / Functions1. 表示此時(shí)此刻正在進(jìn)行的被動(dòng)動(dòng)作。My sister is now bei

5、ng interviewed.2.表示現(xiàn)階段正在進(jìn)行的被動(dòng)動(dòng)作(該動(dòng)作在說話的瞬間未必正在進(jìn)行)。Many interesting experiments are being carried out these days.(說話時(shí)，并不一定正在進(jìn)行)Usage / Functions3表示一種經(jīng)常性的被動(dòng)行為，常和always，constantly 等表示頻度的副詞連用，這種用法常常帶有贊揚(yáng)或厭惡的感情色彩。He is always being praised by the leader.4表示按計(jì)劃或安排主語將要承受謂語動(dòng)詞所表示的動(dòng)作(僅限于少數(shù)及物動(dòng)詞)。A party is being

6、 held tonight.Special cases1.像take care of, look after, talk about, think of等動(dòng)詞與介詞構(gòu)成的短語用于現(xiàn)在進(jìn)行時(shí)的被動(dòng)語態(tài)時(shí), 其中的介詞不可省略。The ways to stop illegally hunting are being talked about. 2可與部分情態(tài)動(dòng)詞連用，表示對(duì)正在發(fā)生的事情的推測。She may be being punished by her mother.Special cases3有時(shí)可表示按計(jì)劃或安排將要進(jìn)行的一個(gè)被動(dòng)動(dòng)作。A celebration is being hel

7、d this weekend for his success. 4某些表示“狀態(tài)、心理活動(dòng)、存在”等的動(dòng)詞，如have，want，need，love，一般不用現(xiàn)在進(jìn)行時(shí)的被動(dòng)語態(tài)，而常用一般現(xiàn)在時(shí)的被動(dòng)語態(tài)。With the population increasing，more land is needed.Special cases5“beunder/inn.”可表示現(xiàn)在進(jìn)行時(shí)的被動(dòng)意義。My computer is under repair.My computer is being repaired.1.關(guān)于在哪兒建廠的問題正在被討論。The question about where is

8、 the factory going to be built _ now.2.正在設(shè)計(jì)一個(gè)保護(hù)自然資源的項(xiàng)目。A project about protecting the natural resources _3.受到攻擊時(shí)應(yīng)保持冷靜。You should stay cool when you _4.我感到很迷惑，我們商店的商品老是被偷。I feel very puzzled that the goods in our shop _Practiceis being discussedis being designedare being attackedare always being stolen這條路正在被修建。Practice5. 一句多譯_(construction)