初中英语(一般过去时)讲解课件(共14张ppt)

•我昨天去购物了。•Iwentshoppingyesterday.•他昨天晚上没有看电视。•HedidnotwatchTVlastnight.•你过去是个老师吗？•Wereyouateacher?•为什么她去年离开了学校？Whydidsheleavetheschool?•一般过去时•1.定义：1）表示过去某个时间发生的动作或存在的状态，常和表示过去的时间状语连用；2）也表示过去经常或反复发生的动作，常和表示频度的时间状语连用。•标志性状语2.时间状语：yesterdaylastnightin1990twodaysago等3.频度副词：oftenalways等4.例句：Igotupat7:00yesterday.Myfatherwasatworkyesterdayafternoon.Healwayswenttoworkbybuslastyear.•一过去时时有两种形式：•1.系动词be的一般过去时的形式:was(am,is),were(are)•was用于第一人称单数和第三人称单数形式的主语之后；•were用于所有其他的人称和数。例句：Hewasbornin1997.Thereweremanymiceinthatroom.Iwassotired.•2.实意动词过去式的形式:did(do),stopped(stop),finished(finish),studied(study),hoped(hope)例句：Shestudiedveryhardtogotothecollege.Theydidn’thopethatthecarstopped.句型变化1.系动词be陈述句(肯定):Shewasadoctortwoyearsago.陈述句(否定):Shewasnotadoctortwoyearsago.一般疑问句:Wassheadoctortwoyearsago?肯定回答：Yes,shewas.否定回答：No,shewasn’t.特殊疑问句:Whenwassheadoctor?2.实意动词过去式陈述句(肯定):TheywenttotheparklastMonday.陈述句(否定):Theydidn’tgototheparklastMonday.一般疑问句:DidtheygototheparklastMonday?肯定回答：Yes,theydid.否定回答：No,theydidn’t.特殊疑问句:Whendidtheygotothepark?动词一般过去时，表示过去发生的事；be用was或用were,have,has变had；谓语动词过去式，过去时间坐标志；一般动词加-ed，若是特殊得硬记。否定句很简单，主语之后didn’t添；疑问句也不难，did放在主语前；如果谓语之前有did，谓语动词需还原；动词若是was,were,否定就把not添。•1.look2.live3.stop•4.carry5.hope6.trip•7.call8.finish9.want•10.like11.play12.watch•13.dance14.cry15.plan•16.stay17.cook18.invent•不规则动词的变化规律不明显，需要平时多加记忆。•1.do—did2.is/am—was3.are—were•4.have—had5.come—came6.put—put•7.make—made8.drive—drove9.get—got•10.eat—ate11.dig—dug12.dig—dug•…………•一.改错•1.HewatchTVheretenminutesago.他十分钟前在这里看电视。watch在这这个动作是十分钟前发生的，属于过去时，所以动词里是错误的，我们要把它改成过去式watched。。2.Theydidn’tplayedbasketballyesterday.昨天，他们没有打篮球。陈述句的否定形式借助助动词did后，动词过去式played要还原成动词原行play.•二.把下列句子改成相应时态1.Heusuallygetsupearlyinthemorning.But______________________latetoday.2.Sheusuallyworksfrom8a.m.to5p.m.Butyesterday__________________________3._____________________onSundays.TheywenttotheparklastMonday.4._____________________atbreakfast.Butyesterdayhedidn’treadthenewspaper.5.Iusuallygoshoppingonweekends.Butthisweekend__________________________•三.句型转换1.Iwassosleepy.(变为否定句)______________________2.Helikedplayingcomputergames.(变为否定句)_____________________3.Theyfinishedtheirhomework.(改为一般疑问句)_____________________4.Shewasangry.(改为一般疑问句)_____________________5.HewenttoBeijinglastsummer.(针对画线部分提问)_________________________________________6.Therewasasmallrabbitinthecage.(针对画线部分提问)__________________________________________