人教版初中英语八年级下册unit6导学案

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1、Unit6Howlonghaveyoubeencollectingshells?SectionA(1a–2c)Period1一．学习目标现在完成进行时1．用法；表示从过去某一时间开始一直延续到现在的动作，并有可能持续下去，也可以表示从过去到现在的重复性动作。2．构成；have/hasbeen+现在分词3．注意；动词为延续性动词。4．时间状语；since+时间点或从句（从句用一般过去时）：for+时间段二．温故互查Pairwork.Discussthequestionsin1a.三．自主探究1.区别：howlong;howoften,h

2、owfar,howsoon,howmany/much,howold2.Listenandfinish1b.3.Pairwork.(1c)A；HowlonghasAlisonbeenskating?B:She’sbeenskatingforfivehours?A:HowlongdidSamskate?B:Heskatedforfourhours.4.Listenandfinish2a,2b.5.Pairwork.Roleplaytheinterview.四．自我检测单项选择（）1.——Howlong____you____stamps?—

3、—Sincetwoyearsago.A.did;collectB.have,beencollectingC.are,collecting（）2.Ihavebeenpracticingtheviolin____1998.A.forB.sinceC.in()3.——____haveyoubeenteachingEnglish?——Forabouttenyears.A.HowlongB.HowsoonC.Howmany()4.Tomhasbeencollectingshells____fiveyears.A.sinceB.forC.in()

4、5.—CanIhelpyou?—I’dliketobuy________formytwinsons.A.twopairsofshoesB.twopairofshoesC.twopairofshoe()6.Itwasmyfirst____marathon.A.skateB.skatingC.toskate()7.—____haveyoubeenlearningEnglish?—IhavebeenlearningEnglishforsixyears.A.HowlongB.HowoftenC.Howfar()8.Sam____Chinese

5、sincehecametoChina.A.learnsB.learnedC.haslearned()9.—____didyoustartriding?—____Iwaseightyearsold.A.When,SinceB.Howlong,SinceC.When,When五．巩固练习一、用括号中所给词的适当形式填空。1.Sheis______(interest)inhistoryverymuch.2.--Howlong____you_____(do)that?－Foraboutfouryears.3.Theyoungman______

6、(skate)sincehewaseightyearsold4.He’dlike_____(collect)shellsbecausetheyarebeautiful.5.WhenIwastwelve,I_____(start)toplaytennis.6.Thereareaboutthree________(thousand)studentsinourclass.7.Thankyoufor___________(help)mewithmyEnglish.8.Youhavebeen_________(play)computergame

7、sforalongtime.Itisbadforyoureyes.9.Ourteachertoldussome_____________(different)infoodbetween___________(west)countriesandChina.10.InChinapeopledon’teat___________(separate).Theyusuallyorderfoodtoshare.11.Englishisvery______(use).Soweshouldtryourbest_________(learn)itwel

8、l.二、句型转换。1.Shehavebeenworkingfortenhours.（改为一般疑问句）____she________fortenhours?2.I’vebeenskatingsinceIwassixyear