八年级英语下册《Unit10I’vehadthisbikeforthreeyears》SectionA1a-2d课件人教新目标版.ppt

Unit10Ivehadthisbikeforthreeyears.,SectionA1a2d,boughtthebikenow,_|_|_20086years2014,HowlonghasJeffhadthisbike?,Jeffhashadhisbikefor6years.Jeffhashadhisbikesince6yearsago.Jeffhashadhisbikesince2008.,HowlonghasJeffhadthisbike?WhendidJeffbuyhisbike?,Answerthefollowingquestions:,2.时间状语:1.for+一段时间e.g:for8years2.since+过去的时间点e.g:since19993.since+一段时间+agoe.g:since23yearsago,语法:现在完成时,1.含义:表示动作从过去某一时间开始一直延续到现在。这一动作可能刚刚开始,也可能在继续,其动作是否继续下去,由上下文而定。这个时态多用于延续性动词。,Practiceusingsinceorfor:,4hours,3years,5yearsago,45minutes,halfanhourago,1hour,Futurewords:,haveayardsaletoybearcentscarf,1a,Lookatthethingsattheyardsale.Doyouhaveanyofthesethingsathome?Howlonghaveyouhadthem?,Haveatry,Howlonghaveyouhad.?Ivehadit,1c,FreeTalk,Makeadialogueagain！,A:Whyareyousellingit?B:Howlonghaveyouhadit?C:Yes,Ivereaditforfivetimes.D:Howmuchisit?E:BecauseIdontreaditanymore.F:Ivehaditforsixyears.G:Isthisanoldbook?H:Youcanhaveitfor80cents.,参考答案:GCBFAEDH,表示某人拥有某物多长时间用现在完成时表达；与现在完成时连用的时间状语是：for+时间段；since+时间点；对for和since短语提问用howlong。不规则动词见书后不规则动词表,Summary,2c.Pairwork,1.Readthesampleinthechartof2c.2.StudentAisAmysmom.StudentBisAmy.Role-playtheconversation.3.Thewholeclassmakestheconversationinpairs.,Role-play!,Linda:Welcometo.Amy:Hi,ImAmy.Ihavesome.,Pointsin2d:,lovedoing/todosth.爱做某事，加动名词时意为“（习惯）爱做”；，加不定式时意为“(偶尔)爱做”；eg.Shelovesreadingbooks.她爱看书。Shelovestoeatice-cream.她爱吃冰激凌。onelastthing最后一件事，其后接单数形式。eg.OnelastthingisstudyingEnglish.foralongtime很长时间，经常用于完成时中。eg.Hehasthistoybearforalongtime.,Asurvey,Usefullanguagestructures1.IhavebeendoingitsinceIwastenyearsold.2.Ihavebeendoingitforsixyears.,Summary,Answers:Howlong;for;for;si