ThenandnowUnit4一般過(guò)去時(shí)與一般現(xiàn)在時(shí)PartBStorytimeSixyearsago,Nancycouldreadanddraw,butshecouldnotwrite.Nowshecandomanythings.1.Whatcouldn’tshedo?2.Whatcanshedonow?Let’ssayA:Fiveyearsago,Mikemadefriendsatschool.Heboughtthingsfromshops.B:Nowhehase-friendsfromallovertheworld.HedoesshoppingontheInternettoo.Grammartime過(guò)去時(shí)與現(xiàn)在時(shí)的對(duì)比時(shí)態(tài)一般現(xiàn)在時(shí)：一般過(guò)去時(shí)：經(jīng)常或習(xí)慣性的動(dòng)作或存在的狀態(tài)。過(guò)去某個(gè)時(shí)間或時(shí)間段發(fā)生的動(dòng)作或存在的狀態(tài)。(TheSimplePresentTense)(TheSimplePastTense)一般現(xiàn)在時(shí)：經(jīng)?；蛄?xí)慣性的動(dòng)作或存在的狀態(tài)。(TheSimplePresentTense)一般現(xiàn)在時(shí)：經(jīng)常或習(xí)慣性的動(dòng)作或存在的狀態(tài)。一般過(guò)去時(shí)：(TheSimplePastTense)一般過(guò)去時(shí)：過(guò)去某個(gè)時(shí)間或時(shí)間段發(fā)生的動(dòng)作或存在的狀態(tài)。(TheSimplePastTense)一般過(guò)去時(shí)：過(guò)去某個(gè)時(shí)間或時(shí)間段發(fā)生的動(dòng)作或存在的狀態(tài)。(TheSimplePastTense)一般過(guò)去時(shí)：各時(shí)態(tài)常用的信息詞一般現(xiàn)在時(shí):

always,usually,often,sometimes,seldom,never,everyday,every…,threetimesaday各時(shí)態(tài)常用的信息詞一般過(guò)去時(shí):

lastnight,last…,twodaysago,…ago,in1999,in+過(guò)去的年份,justnow=amomentago,yesterday,yesterdaymorning動(dòng)詞第三人稱單數(shù)的構(gòu)成：過(guò)去式的構(gòu)成：①直接加-s。②以s,x,ch,sh,o結(jié)尾加-es。③以“輔音+y“結(jié)尾變y為i再加-es。①直接加-ed。②以e結(jié)尾只加d。③重讀輔元輔，雙寫尾字母再加-ed。④以“輔音+y”結(jié)尾變y為i再加-ed。第三人稱單數(shù)過(guò)去式study-finish-have-go-do-play-watch-give-need-stop-hope-play-try-plan-visit-like-

studiesfinishes

hasgoes

does

playswatchesgives

neededstoppedhopedplayed

triedplannedvisited

liked詞形轉(zhuǎn)換用所給動(dòng)詞的適當(dāng)形式填空。1.Fiveyearsago,Mary_________(can)drawandread.2.Tomusually__________(walk)toschool.3.Mymother_________(watch)TVplayeveryday.4.OldBush________(visit)Chinaagainlastmonth.couldwalkswatchesvisited用所給動(dòng)詞的適當(dāng)形式填空。5.I______(play)sportsthreetimesaday.6.LucyandLilyoften__________(read)books.7.There_______(is)afootballmatchyesterdayafternoon.8.Ourclass______(go)tothezoothreedaysago.playreadwaswentFuntimeSticktw