一般过去时课件

Studyingaims:1.Toknowaboutthedifferentpatternsofthesimplepasttense.2.Tomasterthepasttenseoftheregularverbsandtheirregularwords.3.CanusetheSimplePastTensecorrectly.Let’slearn(readthesesentencesandtalkaboutthesequestionswithyourpartners)1.什么是一般过去时（定义）？2.一般过去时的句型结构是什么？3.一般过去时的标志词有哪些？4.动词规则的过去式是如何转变的？1.weplayedgamesyesterdayafternoon.2.Theclassroomwasverydirtylastnight.3.Wasyourfatheradoctortwoyearsago?4.Shedidn’thelphermotherdothehouseworkjustnow.1.一般过去时：表示过去某个时间发生的动作或存在的状态。weplayedgamesyesterdayafternoonLet’sstudyTheclassroomwasverydirtyyesterday.一般过去时肯定句：主语+was\were+其它主语+实义动词过去式+其它否定句和一般疑问句呢？否定句：主语+was\were+not+其它主语+didn't+动词原形+其它一般疑问句：Was\were+主语+其它Did+主语+动词原形+其它1.Myfatherwasathomelastnight.2.Shehelpedhermotherdothehouseworkjustnow.否定句：Myfatherwasnotathomelastnight.否定句：Shedidn'thelphermotherdothehouseworkjustnow.一般疑问句：Wasyourfatherathomelastnight?一般疑问句：Didshehelphermotherdothehouseworkjustnow?yesterdayyesterdaymorning/afternoon/eveningjustnow/amomentagolastlastweek/night/month/year(last+表示时间的名词)threedays/twomonths/fiveyearsago（时间段+ago）in2000/2003/1999/2012（in+过去的年份）一般过去时常用的时间状语(标志词）:你知道动词怎么变过去式吗？1.直接加-ed.e.g.clean---cleaned2.以不发音的e结尾的，直接加-d.e.g.make---maked3.重读闭音节，辅元辅结构，双写最后一个辅音字母，加-ed.e.g.stop----stopped4.以辅音字母加y结尾的，变y为i，加-ed.e.g.study---studied以元音字母加y结尾的，直接加-ed.e.g.play---played研研检测：stopstoppedworryworriedplayplayedcleancleanedlivelivedvisitvisitedpasspassed恭喜你！你知道下面这些动词的过去式吗？comecamehavehadgowentputputreadreaddodidmakemadeeatatebuyboughtbewas\were不规则动词过去式Makesentencesasmanyasyoucan说说：I,gotoShanghai,lastyearIwenttoShanghailastyear.Mary,visittheWestLake,threedaysagoMaryvisitedtheWestLakethreedaysago.We,haveameeting,yesterdayWehadameetingyesterday.China,jointheWTO,in2001ChinajoinedtheWTOin2001.练练：1.She______(pick)upsomeappleslastmonth.2.Today_____(be)Sunday.It____(be)Saturdayyesterday.3._____he_____(fly)akitejustnow?4.They______(make)aplaneanhourago.5.Amy______(visit)hergrandparentslastnight.pickediswasDidflymadevisited句型转换：1.Shegoestothezooeveryday.(用yesterday代替everyday)2.Hevisitedhisfriendsjustnow.(改为一般疑问句)3.Tomdidhishomeworklastnight.(变否定句)4.Wecleanedtheclassroomanhourago.(对划线部分提问)Shewenttothezooyesterday.Didhevisithisfriendsjustnow?Tomdidn'tdohishomeworklastnight.Whatdidyoudoanhourago?Youthisthemostbrilliantperiodinourlife.