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1、Unit 4 I used to be afraid of the dark.Period 2Review Used to I used to ride a bike.Now I take a bus.shorttallHe used to , but now he straight haircurly hairlong hairshort hairshyoutgoingSkimthearticleandidentifytheparagraphsinwhichthefollowinginformationappears.Numbertheinformation1-3.Skimthearticl
2、eandidentifytheparagraphsinwhichthefollowinginformationappears.Numbertheinformation1-3.231anymoredealwithcrowdsbepopularhangoutbecarefulMymomusedtohavecurlyhair.Shedidntusetohavestraighthair.JerryusedtoreadbooksonEuropeanhistory.HedidntusetoreadbooksonAfricanculture.SandyusedtoteachBritishEnglish.Sh
3、edidntusetoteachAmericanEnglish.Make up a dialogue with your partner.A: Did you use to?B: Yes, I did. / No, I didnt.A: Did you use to be afraid of ?B: Yes / No ( But now ) What about you?A: I And / But my father / mother used to be afraid of B: Is he / she still afraid of ?A: Yes / No 课堂小结usedtodost
4、h.意思是“过去常常做某事”，表示过去经常做或一直做而现在不做，它只用于过去时态。(一)肯定句式：主语+usedto+动词原形例如：Iusedtogotothecinema,butIneverhavetimenow.我过去经常去看电影，但现在没有时间了。Heusedtolistentopopmusicbutnowhelikesrockmusic.他过去总听流行音乐，但现在喜欢摇滚了。(二)否定句式：A)主语+didnotuseto+动词原形B)主语+usednotto+动词原形第一种否定句型，就是把used当做实义动词来看，所以变否定句要用助动词did;第二种否定句是把used当做情态动词，变
5、否定句直接在used后面加not即可，usednot可以缩写成usednt或usent。美式英语通常用A种形式，英式英语常用B种形式。例如：Youdidntusetodrink.你过去不喝酒。TheshopusednttoopenonSundays.过去这家商店星期天不营业。随堂练习(C)1.I_frustratedwhenIwasntsureofthecorrectanswer.A.maybeB.usedtoC.usedtobeD.usetobe(B)2.WhenIwasachild,Iusedto_chocolate.A.likingB.likeC.likedD.likes(B)3._workinMicrosoft?A.DidyouusedtoB.DidyouusetoC.DoyouusedtoD.Doyouuseto(B)4.Where_livebeforeyoucamehere?A.didyouusedtoB.didyouusetoC.usehetoD.heusedto(C)5.Noonelikeshim_.A.stillB.neverC.anymoreD.tooHomeworkWrite an essay about the changes about yourself .
