初中-英语一般过去式讲解ppt

一般过去式讲解引例：(a-1)Iaminclasstoday.(a-2)Iwasinclassyesterday.(b-1)Helivesherenow.(b-2)Helivedheretenyearsago.(c-1)Myfriendsareathometoday.(c-2)Myfriendswereathomelastnight.一般过去式的概念：•一般过去时表示过去某个时间里发生的动作或状态；•过去习惯性、经常性的动作、行为；•过去主语所具备的能力和性格。一般过去式的用法：•一般过去时常与表示过去的时间状语或从句连用a）时间状语•Ago（twohoursago（一段时间+ago），yesterday（句子开头或结尾），thedaybeforeyesterday,lastweek,last(year,night,month…)，具体时间（如Jan.fourth),justnow,attheageof,oneday,longago,onceuponatime（很久以前），andsoon,thismorning.longlongago.•b）动词变化规则规则变化1．直接加ed：work——workedlook——lookedplay——played,2．以e结尾的单词，直接加d：live——livedhope——hopeduse——used,3以辅音字母+y结尾的，变y为i加ed：study——studiedcarry——carriedworry——worried,4以元音字母+y结尾的，直接加ed：enjoy——enjoyedplay——played5以重读闭音节结尾的，双写最后的辅音字母+ed：stop——stoppedplan——planned不规则变化：make-made-mademay-mightmean-meant-meantmeet-met-metmust-mustpay-paid-paidput-put-putwrite-wrote-writtenwin-won-wonBE动词的过去式单数：Iwasyouwere(一個人)shewashewasitwas复数：wewereyouwere(不只一人)theywere一般过去式的构成形式practise-1•一、用动词的适当形式填空•1.He________(live)inAmericatwoyearsago.•2.Theboy________(listen)totheteachercarefullylastweek.•3.We_______(watch)aJapanesecartoonlastFriday.•4.Nancy________(pick)uporangesonthefarmlastweek.•5.I________(pull)upcarrotwithMikeyesterday.•6.They________(play)chessintheclassroomlastPElesson.•7.Mymother_______(cook)anicefoodlastSpringFestival.•8.Thegirls_______(dance)atthepartylastWednesday.•9.Thestudents________(study)veryhardlastmonth.•10.Myparents_____(plan)tohaveagoodweekendlastThursday.practise-2•二、句型转换:•1.Theyplayedfootballintheplaygroundyesterday.•否定句：________________________________________________•一般疑问句：_____________________________肯、否定回答：________•划线部分提问：________________________________________________•2.LiuTaoskatedwithwithhiscousinlastWinterHoliday.•否定句：________________________________________________•一般疑问句：____________________________肯、否定回答：____•划线部分提问：________________________________________________•3.Mybrothershowedhisstampstohisclassmateslastweek.•否定句：________________________________________________•一般疑问句：__________________________________否定回答：__________•划线部分提问：________________________________________________AnyQuestions?thankyou！