初中英語(yǔ)-第三課時(shí)sectionA grammer教學(xué)課件設(shè)計(jì)

Unit13We’retryingtosavetheearth!Period3SectionA(GrammarFocus-4c)Shouldwedrinksharkfinsoup?Nosalenokilling

Lead-inTheearthispolluted.Lead-inWe'retryingtosavetheearth.

典型例句

所用語(yǔ)法MakeupnewsentencesWearetryingtosavetheearth.Theriverusedtobesoclean.

Theairisbadlypolluted.

Noscientificstudieshaveshownthatsharkfinsaregoodforhealth.Weshouldhelpsavethesharks.現(xiàn)在進(jìn)行時(shí)am/is/are＋doing語(yǔ)法總結(jié)讀GrammarFocus表格內(nèi)的句子，理解每個(gè)句子所用的時(shí)態(tài)、語(yǔ)態(tài)、情態(tài)動(dòng)詞及usedto結(jié)構(gòu)。

usedto一般現(xiàn)在時(shí)被動(dòng)語(yǔ)態(tài)：

am/is/are＋done現(xiàn)在完成時(shí)：has/have＋done情態(tài)動(dòng)詞＋do4a.Fillinblankswiththecorrectformsofverbs.Joe:_______youever______(take)partinanenvironmentalproject?Ken:Yes,Ihave.I_______(help)withaClean-UpDaylastyear.Itwas_________(consider)thebiggestclean-upprojectthiscity_____ever______(have).Joe:Howmanypeople______(take)part?Ken:I______(think)morethan1,000people_____(come)tohelpout.Joe:That’sfantastic!Iguesseveryoneinthiscityis_____(try)toimprovetheenvironment.Ken:Yes,wecan’taffordto_____(wait)anylongertotakeaction.HavetakenhelpedconsideredhadhadtookthinkcametryingwaitPeople_________thinkthatbigthings_______bedonetosavetheearth.Manyforgetthatsavingtheearthbeginswithsmallthings.Forexample,you______saveelectricitybyturningoffthelightswhenyouleavearoom.You_____alsousereusablebagsinsteadofplasticbags.Ithinkit’sagreatideathatyounow_______payforplasticbagsinsomestores,Andinsteadofdrivingtoschoolorwork,you______rideyourbikeorwalk.Ifit’sfar,you________takethebus.Allthesesmallthings________addupandbecamebigthingsthat_______improvetheenvironment.Let’stakeactionnow!4b.Fillinblankswiththepropermodalverbsinthebox.canwouldcouldhavetoshouldmustMay/mightmay/mighthavetomust

shouldcancouldshouldcancouldshouldcancouldhavetocan/couldcan/could

wouldcancould①②③usepublictransportation2.takereusablebagswhenwegoshopping3.turnoffthelightswhenweleavetheroom4.growmoreplants5.reducetheuseofairconditionsinsummer…….

4c.Makealistofthingsthatyoucandotohelptheenvironmentanddiscuss.Discussionwriteanarticletoshowinwhatwaywestudentscanprotecttheenvironment.It’sourdutytoprotecttheearth.IalwaysturnoffthelightswhenIleavearoom________________________________________________________________________________________________