it用法学案设计Microsoft--文档

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1、Unit3Ahealthy1辻e学案Grammar:"it”用法学习目标：1知识目标：学习巩固it作为形式主语、形式宾语和表示时间、距离、天气和环境等的用法。2能力目标：能够在适当情境中运用“it”进行语言交流。3情感目标；关注健康问题，认识到吸烟的危害。课前预习：用所给词汇适当形式填空。1.dueto2.addicted3・alcohol4.manage5.cigarettes6.stress7.quit8.drugs9・pregnant10.adolescentsSmoking,drinkingortakingotherpro

2、ducemanyharmfuleffectsandhavenorealbenefits・Sowhydodoit?Somebeginbecausetheybelieveitmakesthemlookcool.Othersthinkitwillhelpwith・Intheirlifepossiblypressurefromtheirparentsorteachers・Somejustwanttoseewhatitislike・Whattheydon'trealizeisthattheywillgetintothehabitandbec

3、omeItwillthenbedifficuIttothehabit.Afewpeopletoquiteasilybutformanyitisaverypainfulprocess・Ofcourse,thebestwaytodealwiththesedrugsisnottostartinthefirstplace・学习过程：SteplLead-in导入与热身Inwhatwaysissmokingharmful?Itisabadhabit・・・Itisawasteof・・・Itisnotgoodfor...Wethinkitharm

4、ful・・・Itisbelievedthat・・・Itcauses・・・ItmakesyousmellbadStep2Theuseof"it”TasklTheuseof"it”（代词）观察图片和所给句式，总结“it”作为代词的用法。1.Lookatthepicture._It_isapictureofourschool・-Whatdoyouthinkofthemovie?Tt，soneofthebestmoviesthat[

5、kingatthedoor?-Itmaybethemilkman.4.-Isthisjacketyours?-Yes,is.Wheneversheseessomethingthatshelikes,shegoesandbuyit.5.It's10：08・ItwasverycoldlastMonday.Itweighsonly3kilos・It，salargesumofmoneyItisquietinthecafe・Itisabout25kmfromheretomyschool.辨析1.Ican，tfindmypen.I，mgoin

6、gtobuy・2.Lifetodayisbetterthanintheolddays.1.Ican，tfindmypen.Imusthavelost归纳：—用来指代前面提到的可数名词，所指的是事物本身;则用来替代前面出现过的可数名词，泛指，指一类事物中的一个_Exercise练习—用来代替不可数名词或单数可数名词，特指。1.TheParkersboughtanewhousebutwillneedalotofworkbeforetheycanmovein.A.theyB・itC・oneD.which2.We，vebeenlookin

7、gathousesbuthaven，tfoundwelikeyet.A.oneB・onesC・itD・them3.I，mmovingtothecountrysidebecausetheairthereismuchfresherthaninthecity.A.onesB・oneC・thatD.ThoseTask2Theuseof"it”（形式主语）小组讨论按要求完成句子，总结“it”作为形式主语的用法。1.（显然）goingforsportswilldoalotofgoodtoyourhealth・2•对于我们来说远离吸烟是必要的。

8、3.（很遗憾）theChineseteamdoesn，tattendtheWorldCupinSouthAfrica・4.据说他来自北京。5•据建议会议要被推迟。6.（没有用）quarrelingwhenintrouble・Exercise练习1i