2019-2020年高中英语 Unit 2 Healthy eating Words and expressions导学案新人教版必修3

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1、2019-2020年高中英语Unit2HealthyeatingWordsandexpressions导学案新人教版必修3Teachingaimsanddemands:1.Helpthestudentslearntheimportantwords,phrasesandsentencesinthetext.2.Enablethestudentstoexpressthemselveswiththelanguagethey’velearned.Step1Pre-learning(1)WarmingupDiscoversomeuseful

2、wordsandexpressions.TurntoP12(textbook)anddotheEx1,2first.Checktheanswers.(2)Revision1.WangPengsatinhisemptyrestaurantfeelingveryfrustrated.feelingveryfrustrated现在分词在句中作__________eg.Shesatonthechairreadinganewspaper.(表伴随)Walkinginthestreet,shemetheroldfriend.(表时间)Seei

3、ngnobodyathome,shedecidedtoeatoutside.(表原因)Thechildfell,strikinghisheadagainsttheground.(表结果)昨晚我和老公躺在草地上看星星。______________________________2.Bynowhisrestaurantoughttobefullofpeople.Oughtto1)表示一种道义上的责任，应该Eg.Yououghttostudyhardtogetahighmark.她应该更好地照顾这些小孩。________________

4、______________2)oughttohavedone表示本应该…，而却没有…Eg.Yououghttohaveeyesterday.3.Hethoughtofhismutton,beefandbaconcookedinthehottest,finestoil.过去分词短语作后置定语，表被动。=whichwerecookedinthehottestoil.Eg.Theflowers_________(pick)byhimareverybeautiful.4.Nothingcouldhavebeenbetter.比较级与否定

5、词连用表示最高级。=Allhisfoodcouldhavebeenthebest.Eg.Ihaveneverseenabetterfilm.没有人比你唱得更好了。Nobodyelsecansing__________you.5.SomethingmusthavehappenedifLiChangwasnotingtoeatinhisrestaurantashealwaysdid.musthavedone:情态动词+havedone表示推测。1)肯定句用：must(一定)/may(可能)/might(也许)Eg:Hemust/may

6、/mightknowtheanswertothisquestion.屋里很冷，他们肯定把暖气关了。Itiscoldintheroom.______________________________2)否定句用：can’t/couldn’t(不可能)/maynot/mightnot(可能不)Eg:Itcan’t/couldn’tbetheheadmaster.HehasgonetoAmerica.这不可能是校长，他去美国了。他也许不认识那位科学家。____________________________3)疑问句用：can/could

7、用于,can’t/couldn’t用于否定Eg.Couldhehavefinishedthetask?　　他可能把任务完成了吗？他现在能在家吗？____________________6.Tiredofallthatfat?Tiredof__________Heistiredofdoingthesamethingallyearround.Tiredout__________IwastiredoutwhenIfinallyreachthetopofthemountain.Tiredfrom__________Iwasverytied

8、fromrunningfast.7.HecouldnothaveYonghuigettingawaywithtellingpeoplelies!1）havesb.doingsth.允许谋事发生，尤用于否定句中Eg.MrZhangwon’thaveh