2023學(xué)年完整版Unit13We'retryingtosavetheearth設(shè)計2

Unit13We'retryingtosavetheearth!教學(xué)設(shè)計一、教材分析本單元帶領(lǐng)學(xué)生了解了一些有關(guān)地球污染，動物瀕危等問題。并且教給大家如何保護瀕危動物，如何通過回收利用等方式來保護地球。本單元主要復(fù)習(xí)語法內(nèi)容為情態(tài)動詞和動詞形式變化。本課主要帶領(lǐng)大家進行語法復(fù)習(xí)，鞏固語法知識。二、教學(xué)目標(biāo)1.知識與技能1）Tolearndifferentformsofverb.2）TounderstandtheuseofModalVerbs.2.過程和方法1）Toknowhowtousedifferentformsofverbindifferentsituations.2）ToknowhowtouseModalVerbsindifferentsituations.3.情感態(tài)度和價值觀Afterlearningthispart,everystudentwillbeabletodescribetheirawarenessoftheserioussituationofpollutionandsolutionstoenvironmentalproblemsusingwhatwehavelearnedinthislesson.三、教學(xué)重點1.Tochangeformsofverbaccordingtospecificsituation.2.TouseModalVerbsproperly.四、教學(xué)難點1.Tochangeformsofverbaccordingtospecificsituation.2.TouseModalVerbsproperly.五、教學(xué)策略根據(jù)本課教學(xué)目標(biāo)和重點內(nèi)容，教師可采用讀，小組討論，口頭及書面練習(xí)等活動來引導(dǎo)學(xué)生進行學(xué)習(xí)。六、教學(xué)準(zhǔn)備ppt，recorder，mutiple-media教學(xué)課時1課時教學(xué)環(huán)節(jié)Step1Lead-in判斷下列句子中使用了什么時態(tài)及情態(tài)動詞。1.Wearetryingtosavetheearth.2.Theriverusedtobesoclean.3.Itwasconsideredthenicestriverinthetown.4.Theairhasbecomereallypolluted.\5.Weshouldhelpsavethesharks.Answers:1.現(xiàn)在進行時2.usedto3.一般過去時的被動語態(tài)4.現(xiàn)在完成時5.shouldStep2.Presentation1)Reviewdifferentformsofverbask現(xiàn)在時過去時將來時過去將來時一般主動語態(tài)ask/asksaskedshall/willaskshould/wouldask被動語態(tài)am/is/areaskedwas/wereaskedshall/willbeaskedshould/wouldbeasked進行主動語態(tài)am/is/areaskingwas/wereasking被動語態(tài)完成主動語態(tài)have/hasaskedhadasked被動語態(tài)have/hasbeenaskedhadbeenasked2)ReviewModalverbs.MainfunctionofModalVerbs.=1\*GB3①.can(could)表示能力，could主要指過去時間；表示允許。=2\*GB3②.may表允許，might可以指過去時間，也可指現(xiàn)在時間，語氣更委婉。=3\*GB3③.must表示義務(wù)。意為“必須”（主觀意志）=4\*GB3④.shall表征詢意見=5\*GB3⑤.will表意愿，用于各種人稱陳述句；表請求，用于疑問句。=6\*GB3⑥.should/oughtto應(yīng)該Step3Exercises1)Fillinblankswiththecorrectformsofverbs.Interviewer:___________youever________(take)partinanenvironmentalproject?Ken:Yes,Ihave.I___________(help)withaClean-UpDaylastyear.Itwas_________(consider)thebiggestclean-upprojectthiscity__________ever___________(have).Interviewer:Howmanypeople__________(take)part?Ken:I________(think)morethan1,000people________(come)tohelpout.Interviewer:That’sfantastic!Iguesseveryoneinthiscityis____________(try)toimprovetheenvironment.Ken:Yes,evertoneshould_____________(play)apartinkeepingthecityclean.Possibleanswers:Havetaken,helped,considered,hadhad,took,think,came,trying.,play2)Fillinblankswithpropermodalverbs.Canwouldcouldhavetoshouldmight/maymustWhenitcomestosavingtheearth,people_______thinkthatbigthings__________bedone.However,manyforgetthatsavingtheearthbeginswithsmallthings.Forexample,You_________saveelectricitybyturningoffthelightswhenyouleavearoom.You____alsousepaperorreusablebagsinsteadofplasticbags.Insomestores,younow__________payforplasticbags.Ithinkthisisagreatidea.Andinsteadofdrivingtoschoolorwork,you________rideyourbikeorwalk.Ifit’sfar,you________takethebus.Allthesesmallthings______addupandbecamebigthingsthat_____________improvetheenvironment.Wecan’taffordtowaitanylongerbeforetakingaction.Possibleanswers:may,can’t,can,could,haveto,may/might,should,would,mustStep4ActivitiesInyourgroupmakealistofthingspeoplecandotohelptheenvironmentandpresentthem.Youcanusefollowingexamples:1)Weshouldusepublictransportation.2)wemustsavewater.3)…Step5.Summarize

Lookbackonwhatwehavelearned.1）動詞的各種時態(tài)語態(tài)的變形。do現(xiàn)在時過去時將來時過去將來時一般do/doesdidshall/willdoshould/woulddo被動語態(tài)am/is/aredonewas/weredoneshall/willbedoneshould/wouldbedone進行主動語態(tài)am/is/aredoingwas/weredoing被動語態(tài)完成主動語態(tài)have/hasdonehaddone被動語態(tài)have/hasbeendonehadbeendone2）=1\*GB3①.can(could)表示能力