初中英语牛津译林版九年级下册Unit2Greatpeople 市赛获奖

Period4Grammar(主备人：唐克海；审核人：黄芳艳)Teachingaims:1.Revisethesimplepresenttense,thepresentcontinuoustense,thesimplepasttense,thepastcontinuoustenseandthepresentperfecttense.2.Sumupthedifferencesbetweenthesimplepasttenseandthepresentperfecttense.Teachingprocedures:Step1RevisionTranslatethefollowingsentencesandtellwhattenseisusedineachsentence.1.他总是设法独自做每一件事。Healwaysmanagestodoeverythingbyhimself.(时态：一般现在时)2.宇航员们目前为下一次飞行做准备。Theastronautsarepreparingforthenextflightatpresent.(时态：现在进行时)3.在返回地球的途中，宇宙飞船开始旋转，失去了控制。OntheirwaybacktotheEarth,thespacecraftbeganspinningoutofcontrol.(时态：一般过去时)4.那一刻，全世界都在等待着向他们问候。Atthatmoment,thewholeworldwaswaitingtogreetthem.(时态：过去进行时)5.在太空中，阿姆斯特朗接到缩短航程的命令。Inspace,Armstrongreceivedtheordertocuttheflightshort.(时态：一般过去时)6.因为他的出色表现，迄今他已经被授予了五个奖项。Becauseofhisexcellentservice,hehasbeenpresentedfiveawardssofar.(时态：现在完成时)Step2Simplepresenttenseandpresentcontinuous1.SimplepresentUsedfor:1.apresentstate .JohnlivesinNewYork.2.dailyroutineandhabits .Ialwaysgotobedat140.3.presentactionsthathappenoneafteranother .Schoolisoverandthestudentsgohome.4.actionssetbyatimetableorschedule .Thetalkshowstartsat7.2.PresentcontinuousUsedfor:1.actionsthathappenrightnow .Look!Thereporterisinterviewingtheastronaut.2.actionsthathappenatthesametime.MumisdoingthehouseworkandDadisworkingonthecomputer.3.actionsinalimitedperiodoftime .Iamworkingonahistoryprojectthisweek.4.arrangementsforthenearfuture .IamleavingforShanghaitonight.时态用法特征词一般现在时1.经常性、习惯性的动作或存在的状态。2.表示事先安排好的事情。always,often,usually,sometimes,seldom,never,everyday…现在进行时1.表示现在或现阶段正在发生的动作。2.表示事先安排好的即将发生的动作。atthemoment,today,now,rightnow,Listen!Look!.Ioftengotoschoolat7a.m.HeiswatchingTV.Ilikecollectingstamps.Thismonth,theyarepreparingfortheexam.Step3Simplepasttenseandpastcontinuous1.SimplepastUsedfor:1.Actionsthathappenedinthepast. .Simonplayedfootballyesterday.2.Actionsthathappenedoneafteranotherinthepast..Simoncamehome,turnedonthecomputerandcheckedhisemail.2.PastcontinuousUsedfor:1.actionsthatwereinprogressatacertaintimeinthepast.Yesterdayat4.,Simonwasplayingfootball.2.actionsthathappenedatthesametimeinthepast.SimonwasplayingcomputergameswhileMilliewaswatchingTV.3.actionsthatlastedforsometimeinthepast.Wewerehavingameetingfrom9a.m.to11a.m.yesterday.时态用法常用特征词一般过去时1.过去发生或过去经常发生的动作。2.过去存在的状态。yesterday,twoyearsago,lastweek,theotherday,in1999过去进行时1.表示过去某个时刻正在发生的动作2.过去同一时间里同时发生的两个动作。3.过去一个时间段内持续发生的动作。atthistimeyesterday,from…to…,lastnight….Twomonthsago,IflewtoLondonwithmymother.Shewasreadingwhilehermotherwastalkingonthephone.Shewasshoppingat10a.m.yesterday.Step4Simplepastandpresentperfect1.SimplepastUsedfor:1.actionsthathappenedinthepast .Iboughtanewbicycleyesterday.2.actionsthathappenedatacertaintimeinthepast.KittywroteanemailtoLindaanhourago.2.PresentperfectUsedfor:1.emphasizingtheresultofapastaction.Ihaveboughtanewbicycle,soIcanridetoschoolnow.2.tellinghowmanytimesanactionhashappenedtillnow .ShehasbeentotheUSAtwice.时态用法注意一般过去时只强调过去的动作或状态，不与现在发生联系时态状语是过去的，yesterday,in1998等。现在完成时1.强调过去发生的动作对现在产生的结果或影响。2.强调过去发生的动作一直持续到现在。3.强调过去某动作到现在已经发生多少次。1.already,yet,ever,just,recently…2.在肯定句中与“since+过去点时间、for+段时间”连用时，谓语动词必须是延续性动词。3.Durativeandnon-durativeverbs.IlivedinSunshineHehaslivedinSunshin