一般过去时精讲ppt.ppt

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1、Lesson3一、一般过去时之概述1.定义：(1)表示过去某个时间发生的动作或存在的状态----与表示过去的时间状语连用我昨天7点起床。Igotupat7:00yesterday.我爸爸昨天下午在工作。Myfatherwasatworkyesterdayafternoon.(2)也表示过去经常或反复发生的动作---与表示频度的时间状语和表示过去的时间状语连用。他去年总是坐公交去上班。Healwayswenttoworkbybuslastyear.我上学时每周去看一场电影。IwenttothecinemaonceaweekwhenIwasatschool.我在乡下时经常在河边散步。(contr

2、yside,riverside)WhenIwasinthecountryside,Ioftenwalkedbytheriverside.2.表过去的时间状语：yesterday,lastnight,threedaysago,oneday,thatwinter,in1990等3.频度副词：oftenalwaysonceaweek等lasttimenightMondayweekmonthtermyesterdaymorningafternooneveningthedaybeforeyesterday1.与last连用2.与yesterday连用：用于一般过去时的时间状语3.与ago连用：amom

3、enttwominutesthreehoursfivedaysoneweeksixmonthsfouryearsago4.与one连用：onemorningafternooneveningdayMondayafternoon5.与that连用：thatatthattimemorningdaywinteryear6.与in连用：in1980inthosedaysintheolddays(1)刚刚justnow；(2)前几天theotherday；(IsawhiminParistheotherday.)(3)从前onceuponatime(4)很久很久以前longlongago7.其他时间状语：

4、二、一般过去时之谓语变化所有时态都是通过动词变化来表现的E.g.Youareright.一般现在时Iwanttogotoschool.Wearedoingourhouseworknow.现在进行时Thebusisleavingat8:00.be动词(was,were)助动词(did)主语+谓语情态动词(could,might)实义动词(worked,played)例如：Theywerehappy.Didyouplaybaseballyesterday?Icoulddoit.Heworkedhere.一般过去时的谓语1、一般词尾加-ed。stay→stayedhelp--helpedask--

5、askedlook→looked2、e结尾的只加-d。hope→hopedlove--loveddance--dancedlive→lived规则动词过去式的构成3、最后三个字母辅元辅音，先双写，然后才能加-ed。stop→stoppedplan(计划)→planneddrop--droppedbeg--begged4、“辅音字母+y”尾，y改为i,再加-ed。carry--carriedstudy--studied巧记不规则动词过去式keep→kept，feel→felt，sleep→slept，sweep→swept1.ee:中间去e，末尾加t   如：build→built，lend→

6、lent，send→sent，spend→spent2.结尾d变t   如：ring→rang，sit→sat，drink→drank，sing→sang，swim→swam，begin→began，give→gave3.遇见i改为a  如：ride→rode，drive→drove，write→wrote4.“骑(马)”“开(车)”“写(字)”——把i变o如：think→thought，buy→bought，bring→brought，fight→fought5.“想”“买”“带来”“打仗”——ought换上teach→taught，catch→caught6.“教书”“抓住”——augh

7、t切莫忘如：know→knew，grow→grew，throw→threw，draw→drew7.ow/aw改为ew是新时尚如：put→put，let→let，read→read/red8.“放”“让”“读”过去式与原形一样如：写出下列动词的过去式：runborrowgrowwatchwritesmileopenbeginswimcarrystudyfinishuselivewakekeepsaycleanb