UnitTheenvironment学案精品文档

1、unit 2 the environment学案unit2theenvironmentgrammarteachingaims.helpssunderstandverbingformasanadjectiveoradverb2.masteraverb-ingasattributive,predicative,objectcomplementect.teachingdifficultpoints.howtouseverb-ingformasanadjectiveoradverb2.howtouseverb-ingphrasesteachingsteps;step1lead-in.thechildr

2、enstopped_astheteachercameina.talkb.totalkc.talkingd.talked2.ifhecanstopthem_there,iwilldoita.gob.togoc.goned.going3.heisquiteused_inallsortsofweathera.flyb.toflyc.toflyingd.toflied4.doctorbethunewenton_throughtoutthenighta.workb.workedc.toworkd.working5.yourshoesaredirty.theyneed_badlya.washb.washe

3、dc.towashd.washingstep2.verb-ingformasanadjectiveoradverb*attributeitisaverymovingfilmanditiswellworthseeingcanadaisanenglish-speakingcountrythegirlsittinginthecornerismybestfriend.*predicativeyourjourneyinkeryaisreallyexcitingwhatyoudidwasdisappointing.*objectcomplementwefindthejourneytoamericaexci

4、ting.iheardsomeoneplayingtheviolininthenextroom.注:在seehearwatchfeelnotice等动词后，用现在分词构成的复合宾语，表示动作正在进行。而动词原形则表示动作的全过程，即动作已结束。wesawtheteachermakingtheexperiment.isawthegirlgetintothecaranddriveoff.2.averb-ingcanbeusedafterverbslikestand,sit,lie.thesetwoactionarehappeningatthesametime.theystoodtalkingtoe

5、achother.theystoodwhentheyweretalkingtoeachother.3.averb-inghasaperfectform,eghavingworked,havingworkedsidebysidewithmanyenvironmentalists,iknowthatahealthyenvironmentandstableeconomyshouldbepossibleatthesametime.step3.practise.p29aandbhomework:1.reviewverb-ingformasanadjective2.finishtheexercisever

6、b-ingphrasesteachingsteps;step1:lead-in.-fullpreparations,wedecidedtoputoffthemeetingtillnextweek.a.wedidnotmakeb.havingnotmakecwehadnotmaded.nothavingmade2.europeanfootballisplayedin80countries,-itthemostpopularsportintheworld.a.makingbmakescmadedtomade3.-whatthesituationwouldbelike,theydecidedtoke

7、epsilent.a.havingnotknowbknowingnotc.notknowd.notknowingstep2verb-ingphrases.verb-ingphrasescanexpress*timeseeingthebigsnake,thegirlwasalmostfrightendedtodeath.=whenshesawthebigsnake,*reasonbeingastudent,imustworkhard.=becauseiamastudent,imustworkhard.*resultthefactorykeepsreleasingsmoke,makingtheai

8、rdirty.=thefactorykeepsreleasingsmoke.asaresult,theairismadedirty.*conditionpreparingfully,wecanachievegreatthings=ifwepreparefully,wecan.2.wecanalsousethepatternconjunction+verb-ingtoexpresstime.thecommonconjunctionsarewhen,whenever,while,once,anduntil.wehavetotakeenvironmentalprotectionintoconsiderationwhendevelopingtheeconomy.3.theunderstoodsubjectofaverb-ingclauseisusuallythesameasthesubjectofthemainclausehetravelledontheplanelikethis,keepingthetortoisehiddeninablanket.=whenhetravelledontheplanelikethis,hekeptthetortoisehiddeninablanket.4.weputnotbeforetheverb