Unit 4 Then and now Part B.ppt

,Thenandnow,一般过去时与一般现在时,PartB,Unit4,Sixyearsago,Nancycouldreadanddraw,butshecouldnotwrite.Nowshecandomanythings.,1.Whatcouldntshedo?2.Whatcanshedonow?,Storytime,A:Fiveyearsago,Mikemadefriendsatschool.Heboughtthingsfromshops.,B:Nowhehase-friendsfromallovertheworld.HedoesshoppingontheInternettoo.,Letssay,Grammartime,过去时与现在时的对比,时态,一般现在时：,一般过去时：,经常或习惯性的动作或存在的状态。,过去某个时间或时间段发生的动作或存在的状态。,(TheSimplePresentTense),(TheSimplePastTense),一般现在时：,经常或习惯性的动作或存在的状态。,(TheSimplePresentTense),一般现在时：,经常或习惯性的动作或存在的状态。,一般过去时：,(TheSimplePastTense),一般过去时：,过去某个时间或时间段发生的动作或存在的状态。,(TheSimplePastTense),一般过去时：,过去某个时间或时间段发生的动作或存在的状态。,(TheSimplePastTense),一般过去时：,各时态常用的信息词,一般现在时:,always,usually,often,sometimes,seldom,never,everyday,every,threetimesaday,各时态常用的信息词,一般过去时:,lastnight,last,twodaysago,ago,in1999,in+过去的年份,justnow=amomentago,yesterday,yesterdaymorning,动词第三人称单数的构成：,过去式的构成：,直接加-s。以s,x,ch,sh,o结尾加-es。以“辅音+y“结尾变y为i再加-es。,直接加-ed。以e结尾只加d。重读辅元辅，双写尾字母再加-ed。以“辅音+y”结尾变y为i再加-ed。,第三人称单数,过去式,study-finish-have-go-do-play-watch-give-,need-stop-hope-play-try-plan-visit-like-,studiesfinisheshasgoesdoesplayswatchesgives,neededstoppedhopedplayedtriedplannedvisitedliked,词形转换,1.Fiveyearsago,Mary_(can)drawandread.2.Tomusually_(walk)toschool.3.Mymother_(watch)TVplayeveryday.4.OldBush_(visit)Chinaagainlastmonth.,could,walks,watches,visited,用所给动词的适当形式填空。,play,read,was,went,5.I_(play)sportsthreetimesaday.6.LucyandLilyoften_(read)books.7.There_(is)afootballmatchyesterdayafternoon.8.Ourclass_(go)tothezoothreedaysago.,用所给动词的适当形式填空。