七年级下unit11 一般过去时.ppt

一般过去时,凤台县第四中学,郑永莉,新目标英语七年级下册语法,动词的过去式,表示过去某个时间发生的动作或存在的状态。,yesterdaylastyearin2016oneyearago,LearningAims,定义,标志词,构成,一般过去时,WhenIwasyoungIdlistentotheradioWaitingformyfavoritesongsWhentheyplayedIdsingalongItmakemesmileThoseweresuchhappytimesandnotsolongago,YesterdayOnceMore,Leadin,一般过去时的定义,一般过去时表示过去某个时间或某一段时间内发生的动作或存在的状态。,ForexampleShewasathomeyesterday.Theywerestudentsoneyearago.TheyworkedinBeijinglastyear.,一般过去时常用的时间状语,yesterday,lastyear,oneyearagotwoweeksago,in2016,thedaybeforeyesterday,构成规则,例词,1、一般情况加ed,3、以重读闭音节结尾的动词，末尾只有一个辅音字母，先双写这个辅音字母，再加ed,4、以“辅音字母+y”结尾的动词，变“y”为“i”再加ed,规则动词过去式的构成,2、以e结尾的动词加d,-ed的读音规则如下：清辅音后面读/t/；浊辅音和元音后面读/d/；/t/d/后面读/id/.1）在清辅音后面读t.looklooked；stopstopped2）在浊辅音或元音后读d.planplanned3）在t和d后读id.startstarted,规则动词-ed的读音,不规则动词过去式的构成,1含有be动词的一般过去时态：四种句式肯定句：主语+was(were)+Shewasathomeyesterday.否定句：主语+was(were)+not+Shewasntathomeyesterday.一般疑问句：Was(Were)+主语+?Wassheathomeyesterday?肯定回答：Yes,主语+was/were.Yes,shewas.否定回答：No,主语+wasnt/werent.No,shewasnt.特殊疑问句：特殊疑问词+一般疑问句？-Wherewassheyesterday?-Athome.,一般过去时的常见句型,Be动词四句式想要变成过去时规律不变be要变，am/is变was复数are要变成were,否定后面加not变成wasnt或werent,巧记一般过去时1,2实义动词的一般过去时态：四种句式肯定句：主语+动词过去式+TheyworkedinBeijinglastyear.否定句：主语+didnt+动词原形+TheydidntworkinBeijinglastyear.一般疑问句：Did+主语+动词原形+?DidtheyworkinBeijinglastyear?肯定回答：Yes,主语+did.Yes,theydid.否定回答：No,主语+didnt.No,theydidnt.特殊疑问句：特殊疑问词+一般疑问句？-WhendidtheyworkinBeijing?-Lastyear.,实义动词动词四句式想要变成过去时规律不变分类变，肯定句中实义变其他句式助词变，do和does变did否定后边加not，一律变成didnt,巧记一般过去时2,一、用所给动词的适当形式填空1.It_(be)rainyyesterday.2.I_(clean)myroomlastSunday.3.They_(go)onatripinFebruary,2007.二、句型转换Tomwasatschoolyesterday.（改为一般疑问句）2.IwatchedTVlastweekend.(改为否定句）,Exercises,went,cleaned,was,WasTomatschoolyesterday?,IdidntwatchTVlastweekend.,动词的过去式,表示过去某个时间发生的