教育专题：Unit3B1.ppt
Show time!比一比，谁最以最快的速度完成自己的任务。On _ weekend,I can _.I cant _.A _ weekend2.Whats the weather like today?1.What was the weather like yesterday?A sunny dayA cloudy dayIts snowy outside.What can we do?YesterdayBrain stome!(头脑风暴）头脑风暴）Unit 3 A rainy weekend B11.Whats Candy doing?2.What did Tim do this morning?3.What did Pat do this moring?Questions:She called her friend Tim.What did Pat do this morning?She watched TV.What did Mary do yesterday?They surfed the Internet.What did they do this morning?They played a game.What did they do this morning?The Simple Past Tense(一般过去时）一般过去时）Whats the Simple Past Tense一般过去时是表示过去某个时间发生的动作或存在的状态Simple past tense.（一般过去时）一般过去时）1.行为动词的过去式。行为动词的过去式。行为动词行为动词 过去式过去式（一般在词尾加（一般在词尾加ed）e.g.I finish my homework every day.finishedI my homework yesterday.Present(现在）现在）Past(过去）过去）Present(现在）现在）Past(过去）过去）call our friendslisten to musicplay a gamefinish my homeworksurf the Internetwatch a filmcalled our friendsplayed a gamesurfed the Internetlistened to musicfinished my homeworkwatched a film动词过去式知多少？动词过去式知多少？（小组合作探究学习：请观小组合作探究学习：请观察给出的动词，你能写出其它动词的过去式吗？）察给出的动词，你能写出其它动词的过去式吗？）1.want-wanted clean cleaned play-_ 2.live-lived dance danced taste-_ 3.study studied carry-_ 4.stopstopped plan-_你知道下列动词的过去式吗？你知道下列动词的过去式吗？do _ is_ am_ are_ tastedcarriedplanneddidwasplayedwaswere小组合作探究学习：请观察给出的动词，小组合作探究学习：请观察给出的动词，你能找出行为动词过去式的构成方式：你能找出行为动词过去式的构成方式：行为动词过去式的构成方式：行为动词过去式的构成方式：Regular verb (规则动词）规则动词）(1)直接在词尾加直接在词尾加 ed(2)以以 e 结尾，直接加结尾，直接加 d(3)以辅音字母加以辅音字母加 y 结尾，将结尾，将 y 改改 i,再加再加 ed(4)重读闭音节结尾，末尾只有重读闭音节结尾，末尾只有 一个辅音字母，双写这个辅一个辅音字母，双写这个辅 音字母，再加音字母，再加 ed比一比，看谁写得又快又正确，写出下列规则动词的过去式：比一比，看谁写得又快又正确，写出下列规则动词的过去式：look watchlive dance close likeuse play carry studystop beg(乞求）Is/am aredo lookedlivedclosedusedcarriedstoppedwasdidwatcheddancedlikedplayedstudiedbeggedwereregular verbs:规则动词 watch watched dance danced practice practiced play played clean cleaned stay stayed study studied visit visitedirregular verbs:不规则动词do didgo wenthave had 比一比比一比,看谁读的准看谁读的准/t/d/id/1、当句子中出现、当句子中出现过去时间状语过去时间状语：ago,this morning,yesterday,last 等，等，be动词或动词动词或动词必须改为过去式。必须改为过去式。2、过去式分为规则过去式和不规则、过去式分为规则过去式和不规则过去式。过去式。规则过去式一般情况下在动词后加规则过去式一般情况下在动词后加ed。例如：例如：played,surfed,listened,watched.1.What did you do yesterday?I _ (play/played)the piano.played2.What _ (do/did)you do this morning?I _(surf/surfed)the Internet.didsurfed
