Howcouldwehelppeople?Wecouldhelpcleanuptheparks.Wecouldhelpsickpeopleinthehospital.Wecouldhelpplanttrees.Wecouldhelptheoldpeople.Wecouldhelpgiveoutfoodatthefoodbank.1.________________________________2.________________________________3.________________________________________________________________4.________________________________Youcouldnothelpcleanupthecitypark.Youcouldvisittheoldpeopleintheoldpeople’shome.Youcouldhelpplanttreesbytheriver.CouldyouhelpyoungkidstolearnEnglish?Yes,Icould.\No,Icouldn’t.情态动词could的运用___Wecouldvisitthesickkidsinthehospitaltocheerthemup.___Theycouldgiveoutfoodatthefoodbank.___Thegirlscouldvolunteerinanafter-schoolstudyprogramtoteachkids.___Theboyscouldhelptocleanupthecityparks.AgroupofstudentsareplanningaCityParkClean-UpDay.Listenandcheck(√)thethingstheyaregoingtodototellpeopleaboutit.2a√√√1.Weneedto____________aplantotellpeopleaboutthecityparkclean-up.2.Clean-upDayisonlytwoweeksfromnow.Wecan’t______makingaplan.3.Wecould______signs.comeupwithputoffputupListenagain.Fillintheblanks.2b4.Let’smakesomenotices,too.ThenI’ll____them____afterschool.5.Wecouldeach_______10studentsandaskthemtocome.giveoutcallupMakeaconversationusingtheinformationin2aand2b.2cWeneedtocomeupwithaplanfortheCityParkClean-UpDay.Let’shavelunchfirst.No,weneedtostartnow.Clean-UpDayisonlytwoweeksfromnow.Weneedtocomeupwithaplan.我们必须想出一个计划。(1)need实义动词，“必要”、“必需”，有人称、数和时态的变化，可接名词、代词、动名词或带to的动词不定式作宾语，构成疑问句和否定句时要借助于助动词。ThemanneedsanEnglishdictionarywhenheworks.这个人在工作时需要一本英语词典。Doyouneedtoseehimyourself?你必需亲自见他吗？(2)need情态动词,“必须”、“必要”，没有人称、数的变化，后接不带to的动词不定式。通常用于疑问句和否定句中，构成疑问句和否定句时，不需要使用助动词。Needyougototheparkwithyourclassmate?你必需和你的同学去公园吗？【注意】由need引出的疑问句，答语表肯定时用must或haveto；表示否定时用needn’t或don’thaveto。A:NeedIcometoworktomorrow?明天我需要来上班吗?B:Yes,youmu...
