八年级英语下册《Unit 1 past and present Grammar 1》学案 牛津版.doc

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1、《Unit1pastandpresentGrammar1》学案教学目标知识技能:Tolearnsomenewwords过程与方法:Tolearntheuseofthepresentperfecttense情感态度价值观:Tounderstandthedifferencebetweenthepresentperfecttenseandthesimplepasttense　教学重点Atheuseofthepresentperfecttense:have/has+p.p教学难点Btheuseofthepresentperf

2、ecttense:have/has+p.p　教学过程一、创设情境、导入新课Step1RevisionReviewthesimplepasttense.Askthestudentsforsomesamplesentences.Eg.MillieinterviewedMrDonglastweek.Eddiewasbornfouryearsago.二、预习设计、成果展示用括号中所给单词的适当形式填空。1.I（buy）thebiketwoweeksago.I（have）thisbikesincethebeginningoft

3、hismonth..I（have）itfortwoweeks.2.Greatchanges（takeplace）inthosevillagesinthelasttenyears.3.Howmanytimesyou（phone）methesedays?you（phone）methismorning?4.Tomcan’tgetintotheroombecausehe（lost）thekeytothedoor.5.I（look）forthedictionaryeverywhere,butI（findnot）ityet.6.

4、－thenewprogrammes（start）yet?－No,they（plan,still）7.We（live）inShanghaifrom1989to1999.We（live）for10years.8.Theycan’tgowithus.They（finish,not）theworkyet.9.You（changenot）yourmind,haven’tyou?10.Inthepasthe(be)careless.Heoften(make)mistakes.三、小组合作、师生探究Step2Introductio

5、nofthepresentperfecttense1.Weusethepresentperfecttensetotalkaboutthingsthatstartedinthepastandstillhavesomeconnectionwiththepresent.Eg.ShehaslivedinNanjingsince1995.EddiehaslivedwithMillieforfouryears.2.Tellstudentsthestructureoftheverb:have/has+pastparticipleT

6、henegativestructure:havehasnot+pastparticiple3.Tellthestudentsthatafewverbscanhelpthemrecognizetheuseofthepresentperfecttense.Tellthemtheuseof“for“and“since”.Givemoresamplesentences.4.Explaintostudentsthatthepresentperfecttensecanalsobeusedinsentenceswithoutthe

7、adverbswhichdetermineitsdefiniteuse.Inthosecases,studentsneedtounderstandthefunctionoftheactionaffectingthepresent,eg.Shehasarrived.Weknowthatshehasarrivedsometimebeforenow,butwedonotknowwhen.Thesimplepasttenseisusedifwehaveafixedtime,eg.Shearrivedthismorning.5

8、.Workthroughafewmoreexamplesentencesillustratingthedifferencebetweenthesimplepasttenseandthepresentperfecttense.四、归纳总结、巩固提高1.whatyouhavelearnt?2.Theunderstandingofthepresent