2019学年八年级英语上册Module12HelpUnit3Languageinuse教案（新版）外研版

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1、Module12HelpUnit3Languageinuse【教学目标】1.TousethepointsinUnits1and2.2.TomakeSslearnabouttheaccidentsandhowtodealwiththeharmfulaccidentstosavetheirlives.【教学重点】1.Tomasterthewords,theimperativesentence.2.Tousecan/could/musttotellthepossibility.【教学难点】Theusingofcan/could/must【教学方法】PWPmethod,Formalandi

2、nteractivepractice【教学手段】Ataperecorder,multimediaandsomepictures【教学过程】TeachingProcedures:Step1RevisionandWarmingupLookatthepicturesandfillintheblanks.Step2LanguagepracticeMasterthegrammarbyfillingintheblanks.1.That______beharmful!2.Betty,you______know!3.__________fromwindowsandheavyfurniture.4.

3、_________________streetlightsorunderpowerlines.Step3Grammar祈使句表达说话人的叮嘱、劝告、希望、禁止、建议、请求或命令等。一般以动词原形开头，无时态和数的变化。1.动词原形构成的祈使句e.g.祝你度过美好的一天！别浪费时间了！请走这边。确保他不受凉。Haveaniceday!Don’twasteyourtime！Comethisway,please.Makesurehe’swarm.2.let’s构成的祈使句（提出建议）e.g.这周咱们到乡下度周末吧。我们坐出租车好吗？Let’sspendthisweekendintheco

4、untryside.Let’stakeataxi,shallwe?3.无动词祈使句（请求、命令、口号等）e.g.请稍等！请这边走！Justaminute,please!Thisway,please!情态动词must,can,could表示推测can/could可以表示对现在或将来的推测，“会，可能”。can表推测是，常用于否定句和疑问句。否定句中，cannot表示“不可能”。e.g.你不是认真的吧！Youcan’tbeserious!could可用于肯定句、否定句和疑问句。e.g.他可能很疼。那可能有害！这有可能是真的吗？Hecouldbeinpain.Thatcouldbehar

5、mful!Can/Couldthisbetrue?must可表推测，“一定；准是”，只用于肯定句。e.g.是谁送来的礼物啊？会是你哥哥吗？（询问可能性）肯定是你哥哥，我刚才看见他在你的房间里。（语气强烈，很肯定）不可能是我哥哥，他还在法国呢。（表不可能）Whosentthepresent?Canitbeyourbrother?Itmustbeyourbrother.Isawhiminyourroomjustnow.Itcan’tbemybrother.HeisstillinFrance.Step4Practice1.Completethesentenceswithcould,mus

6、tormustn’t1.Readthesentencescarefully.2.Fillintheblanks,butyouneedtousesomeofthewordsmorethanonce.1.It’sdangerous.You______keepout!2.Thesestairsarenotsafe.You________usethem.3.Therocksarefallingdown.You______gethit.4.Theriveristoodeep.You________swiminit.5.Betty______knowwhattodobecauseshedids

7、omebasicmedicaltraining.2.Underlinethecorrectwordstocompletethefirstaidinstructions1.Get/Donotgetmedicalhelpimmediately.2.Ask/Donotaskthemwherethepainis.3.Lift/Donotliftthembecauseyoumaydropthem.4.Keep/Donotkeepthemwarm.3.Completethepos