一般现在时态与一般过去时态的区别

一般现在时态与一般过去时态的区别一般现在时的概念：1.(1)表示经常性或习惯性的动作或存在的状态。如：Ioftengotoschoolbybike.(2)表示客观事实或普遍真理。如：Theearthgoesaroundthesun.(3)在时间、条件等状语从句中，用现在时表示将来。如：Ifitraintomorrow,wewon’tgotothepark.WhenIgrowup,IwillgotoAmerica.(4)在某些以here,there开头的句子中用一般现在时表示正在发生的动作。如：Theregoesthebell.铃响了。与一般现在时连用的时间状语(1)表示频度的副词always,often,usually,sometimes等。（2）onSundays,onMondayafternoon,everyday,inthemorning,everyyear等时间状语。（3）onceayear,twiceamonth,threetimesaweek之类的表示频率的词组。一般现在时的构成其主要用“系动词be”和“实义动词”表示，如果主语是第三人称单数则将动词原形变为第三人称单数形式。一般过去时的概念：无规则动词的过去式：原形过去式原形过去式原形过去式am/iswasarewerebringbroughtbuyboughtcomecamecutcutbo/doesdiddrawdrewdrinkdrankdrivedroveeatatefeedfedfeelfeltFightfoughtfindfoundflyflewforgetforgotgetgotgowent习题训练：Hedoesn’tfeelwelland_________(noteat)anyfoodthismoring.--When______you________(write)thispoem?--I_______(write)itlastyear.--What_______Bill_______(do)onSaturdayafternoon?--He_______(play)soccerand_________(read)aninterestingbook.He_________(notsee)mecomein,forhe________(read)somethingwithgreatinterest.Who_______(dance)thebestinyourclass?Myfriend,Lucy,________(study)forthemathtestand_______(practice)Englishlastnight.Mr.Zhang_______(teach)usEnglishthreeyearsago.--Guesswhat!IsawSallyinLondon.---Really?I_______(think)shewasinNewYork.Ioften________(ride)abiketoschoolinthepast,butnowI______(take)abustoschool.It______(start)torainwhenwegottothecinema.单选。--I’vejustgotanewMP4.--Where_____you_____it?--Inashoppingmallnearhere.have,boughtB.did,buyC.are,boughtD.were,getting--Hello,mum.AreyoustillonLushan--Oh,no.Wearebackhome.We______areallygoodjourney.haveB.hadC.arehavingD.willhaveIfyou______foryourfavoriteTVprograms,youwillfeelsleepy.A.stayupB.setupC.stayatD.pickup--Youlooksotired.Whathappened?---I_____latewritinganarticleforanewspaperyesterdayevening.stayedupB.wokeupC.gotupD.pickedup--Becareful!Acarmayhityou.--Thankyou!I_____I_____soclosetotheroad.didn’tknow,amstandingB.don’tknow,amstandingC.didn’tknow,wasstandingD.didn’tknow,wouldstandThefactory_____itswasteintotheriver,butnowitdealswiththewasteinanewway.A.usedtodumpB.isusedtodumpC.usedtodumpingD.isusedtodumpingdump(倾倒）Johnisalways______others.A.helpB.helpingC.helpsD.tohelpIsawher______t