第四讲：一般过去时一、定义：表示过去某个时间里发生的动作或存在的状态，也表示过去经常或反复发生的动作。1.表示过去某个时间里发生的动作或存在的状态：e.g.Hewastwelvelastyear.Shewasatwork.2.表过去经常或反复发生的动作：e.g.Sheoftencametohelpusinthosedays.Mrs.Peteralwayscarriedanumbrella..常与一般过去时连用的词：1.时间状语HYPERLINK"http://baike.baidu.com/view/1545595.htm"ago（twohoursago（一段时间+ago）yesterday（morning,afternoon,evening）thedaybeforeyesterdaylastweek,last(year,night,month…)具体时间（如Jan.fourth)justnowattheageof10(过去时间段)onedaylongagoonceuponatimethismorning(afternoon,evening)longlongago（很久以前）theotherday（前几天）atthemoment一般过去时的构成系动词be的一般过去时构成：主语+be（was,were）+其他主语是”I”时-----was主语为单数时-----was主语为复数及you时-----were否定句的构成:主语+be+not+其他wasnot=wasn’twerenot=weren’t【活学活用】填入适当的be动词。Kitty_____anEnglishgirl.2._________(be)itcoldinyourcityyesterday?3、I_____notfromTaizhou.4.It________(be)hotyesterdayandmostchildren_______(be)outside.5、She_____tall.6.Howmanypeople________(be)thereinyourclasslastterm?7.There________(be)afootballmatchonTVyesterdayevening.8.I__________(be)tiredyesterday.9.I_______atschooljustnow.10.He________atthecamplastweek.11.We________studentstwoyearsago.12.They________onthefarmamomentago.13.YangLing________elevenyearsoldlastyear.14.There________anappleontheplateyesterday.15.There________somemilkinthefridgeonSunday.情态动词的一般过去时构成：主语+情态动词+动词原形+其他Shehadtodoherhomeworkyesterday.注意：情态动词后的动词一定要用原形，而且只能是情态动词的过去式。Theyshould(应该)beright.否定句的构成：主语+情态动词+not+动词原形+其他couldnot=couldn’tmustnot=mustn’twouldnot=wouldn’tshouldnot=shouldn’tmightnot=mightnothadnotto=hadn’tto【活学活用】填入适当的词。1.She________(couldnot)speakEnglishlastyear.2.You________(mustnot)openthedoorlastnight.3.They________(shouldnot)berightatthatmoment.4.Shesaidshe________(wouldnot)gotoJapan.行为动词的一般现在时构成：主语+行为动词+其他Theseboyslikedplayingfootball.ThegirlreadEnglisheverymorningin1998.加ed方法：1．直接加ed：work——workedlook——looked2．以不发音e结尾的单词，直接加d：live——livedhope——hopeduse——used3.以HYPERLINK"http://baike.baidu.com/view/749941.htm"辅音字母+y结尾的，变y为i加ed：s