Unit 13 We're trying to save the earth! Section A 课件.ppt

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1、SectionAUnit13We'retryingtosavetheearth!Severalkindsofpollution:AirpollutionWaterpollutionSoilpollutionWhatcanwedetoprotectourearth?pandadolphintigerelephantliongiraffekoalaturtlepenguinsnakemonkeysheepchimpanzeekangarooPolarbearcamelzebra形容词知多少？scarybigfriendly

2、strongcutesmallinterestingcleversmartshyuglyfunbeautifultalllazylovelyenormousgraynoisyplayfulaggressivespottedfastfurrygentle(巨大的，庞大的）（灰色的）（吵闹的）（顽皮的）（挑衅的）（有斑点的）（快的）（毛皮的）（温柔的）strong（强壮的）PairworkA:What’syourfavoriteanimals?B:Africanelephants/kangaroos….?A:Whatdoy

3、outhinkofthem?B:Theyareenormous/playful…GroupworkA:IamlikethisanimalbecauseIamstrongandintelligent.IlikewaterandIliketoeatvegetables.B:You’relikeanelephant.A:No.C:You’relikeamanatee.A:Yes!让我们合作互助GrammarFocusWe’retryingtosavethemanages．PresentProgressive(现在进行时):结

4、构:am/is/are+v-ingForexample:Heisreadingastorybook．GrammarFocusManateeseatabout100poundsoffoodaday．PresentSimple(一般现在时):动词的形式：doordoesForexample:Igotoschoolbybike．Shedoesherhomeworkeveryday．GrammarFocusThereusedtobealotofmanatees．Pastwithusedto结构:usedto+infinitiv

5、e(动词原形)Forexample:IusedtogoswimmingwhenIwasachild．GrammarFocusIn1972,itwasdiscoveredthattheywereendangered．Passivevoice(被动语态):结构:be+Ｖ过去分词Forexample:Ourclassroomiscleanedeveryday．GrammarFocusSomeoftheswampshavebecomepolluted．PresentPerfect(现在完成时):结构:have/has+Ｖ过去分

6、词Forexample:Ihavealreadyfinishedmyhomework．用所给单词的适当形式。Theanimals________(keep)intinycagesandcanhardlymoveatall.He________(visit)manycountriesandlearnedseveralforeignlanguagessince2000.Someoftheswapshavebeen_________(pollute).Pleasebequiet!Thebaby__________(sleep

7、)atthemoment.Whois_________(strong)inourclass?arekepthavevisitedpollutedissleepingthestrongest６．Istopped________(use)papernapkinslastyear.７．He____(use)tobe____(call)“LittleTiger”.８．Youarelikeakangaroobecauseyouare________(play).９．Whilewe_________(talk)yesterdaya

8、fternoon,thebellrang.１０．Ivisitedazooandcouldn’t________(believe)whatIsaw.usingusedcalledplayfularetalkingbelieveThankyou!