英语人教版八年级下册unit10 Grammar foucs 4a--4c

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1、Unit10I’vehadthisbikeforthreeyears.SectionAGrammarFocus—4cTeachingAims1.KnowledgeAims(1).Studentscanusethekeystructures:①—Howlonghaveyouhadthatbikeoverthere?那边的那辆自行车你买了多长时了？—I’vehaditforthreeyears.我买了三年了。②Howlonghashissonownedthetrainandrailwayset?他的儿子拥有这套轨道火车多长时间了？He’sowneditsinc

2、ehisfourthbirthday.自他四岁生日起，他就拥有了它。③Haveyoueverplayedfootball?你曾经踢过足球吗？Yes,IdidwhenIwaslittle,butIhaven’tplayedforawhilenow.(2)Thedistinctionbetweensimplepasttenseandpresentperfecttense.2.AbilityAims(1)Learnandmasterhowtotalkaboutpossessionsandthingsaroundyoubyusingthelanguagechunk

3、s.(2)Studentscanmakeadistinctionbetweensimplepasttenseandpresentperfecttense.(3)Studentscanmakeadistinctionbetweensinceandfor.3.MoralAimsEducatestudentstotreasureeverymomentthatwehave.TeachingKeyPoints(1)Learnandmasterhowtotalkaboutpossessionsandthingsaroundyoubyusingthelanguagech

4、unks.(2)Studentscanmakeadistinctionbetweensinceandfor.TeachingDifficultPoints(1)Thedistinctionbetweensimplepasttenseandpresentperfecttense.(2)StudentscanmakeadistinctionbetweensinceandforTeachingMethodsTheactivityteachingmethod,thecooperativelearningmethod,andthetask-basedlanguage

5、teachingmethod.TeachingAidsPPT.TeachingProceduresStep1Warming-up1Showsomepicturestothestudentsandgetthemtoaskandanswerlikethis:A:Howlonghaveyouhadthisbike?B:I’vehaditfortwoyears.Step2GrammarFocus1.Explainthedistinctionbetweensinceandfor.for与since都能与现在完成时连用，但区别较大：①for后须接“时间段”Hehass

6、tudiedEnglishforfiveyears.他学英语5年了。②since后须接“时间点”HehasstudiedEnglishsince1999.他从1999年开始学英语③二者可以转换for+一段时间=since+一段时间+agoHehasbeenhereforfiveweeks.=Hehasbeenheresincefiveweeksago.他到这儿已经有五个星期了④二者引出的时间状语往往用howlong提问。●—Ihavehadthisbookfortwoweeks.—Howlonghaveyouhadthisbook?●—Ihavehadth

7、isbooksincetwoweeksago.—Howlonghaveyouhadthisbook?4.Explainthedistinctionbetweensimplepasttenseandpresentperfecttense.①一般过去时表示在过去某个时间发生的动词或存在的状态，也表示过去经常或反复发生的动作。e.g.Hecamehereyesterday.②现在完成时表示过去的动作（或状态）对现在产生的影响和结果③e.g.Hehasbrokenhisbottle.③构成不同TomwenttoLondonlastyear.Lilyhasbeent

8、oLondontwice.一般过去时的谓语动词用过去式，现在完成时