初二英语一般过去时与一般现在时的异同周知.ppt

一般现在时和一般过去时句型结构的异与同,含有动词的句型,一般过去时表示过去时间内某人某物存在的状态，性质等eg:Iwasateacherlastyear.She(He)wasasinger.WeYouwerehappy.They,一般现在时表示某人某物现在的状态，性质等eg:Iamateachernow.She(He)isasinger.WeTheyarehappy.You,Exe:1.She_(be)ourEnglishteacher.2.TomandNike_(be)myclassmates.3.I_(be)astudent.4.You_(be)alovelygirl.5.They_(be)myparents.6.They_(be)farmerstwoyearsago.7.Mike_(be)ababylonglongago.8.We_(be)athomelastnight.,is,are,am,are,are,were,was,were,含有动词的句型结构,一般现在时：肯定式:主语表语否定式:主语+BE(amisare)+NOT+表语.疑问式：BE(AmIsAre)+主语表语？,一般过去时：肯定式:主语表语否定式：主语（waswere)+NOT+表语疑问式：BE(WasWere)+主语表语？,不含动词的句型(主语是第一，二人称及第三人称复数）,一般现在时用来表示习惯性，经常性发生的动作eg:Igotoworkbybuseveryday.youwatchTVeverynight.weplaybasketballontheweekends.TheyhavelessonseveryMoring.主语动词原形其他,一般过去时用来表示在过去的时间里发生的动作eg:Iwenttoworkbybusyesterday.youwatchedTVlastnight.Weplayedbasketballlastweekend.Theyhadlessonstwodaysago.主语动词过去式其他,主语是第三人称单数（肯定句）,Hegoestoworkbybuseveryday.ShewatchesTVeverynight.Tomplaysbasketballontheweekends.Itsnowseverywinter.主语动词单三其他,Hewenttoworkbybusyesterday.ShewatchedTVlastnight.Tomplayedbasketballthreedaysago.Itsnowedlastwinter.主语动词过去式其他,主语是第一，二人称及第三人称复数（否定句）,Idonotgotoworkbybuseveryday.youdonotwatchTVeverynight.wedonotplaybasketballontheweekends.Theydonothavelessonseverymorning.主语donot+动词原形+其他,Ididnotgotoworkbybusyesterday.youdidnotwatchTVlastnight.Wedidnotplaybasketballlastweekend.Theydidnothavelessonstwodaysago.主语did+not+动词原形其他,主语是第三人称单数（否定句）,Hedoesnotgotoworkbybuseveryday.ShedoesnotwatchTVeverynight.Tomdoesnotplaybasketballontheweekends.Itdoesnotsnowineverywinter.主语doesnot+动词原形+其他,Hedidnotgotoworkbybusyesterday.ShedidnotwatchTVlastnight.Tomdidnotplaybasketballthreedaysago.Itdidnotsnowinlastwinter.主语didnot+动词原形+其他,一般现在时一般过去时肯定句主非单三+V原形+其他.主+V过去式+其他.主单三+V单三否定句主非单三+do+not+V原形+其他.主+did+not+V原形+其他.主单三+does疑问句Do+主非单三+V原形+其他?Did+主+V原形+其他？Does+主单三,动词第三人称单数的的构成原则:1)一般在动词词尾加s;2)以s,x,o,sh,ch结尾加es;3)末尾是辅音字母y动词,改y为i,再加es;,规则动词过去式的构成原则:1)一般在动词原形末尾加-ed；2)词尾是e的动词加-d;3)末尾是辅音字母y动词，改y为i再加ed;4)末尾只有一个辅音字母的重读闭音节词,先双写这个辅音字母，再加ed.,一、将下列动词变为第三人称单数形式和过去式,climb:watch:wash:live:dance:use:study:empty:stop:buy:do:read:,climbs,climbed,watches,watched,washes,washed,lives,lived,dances,danced,uses,used,studies,studied,empties,emptied,stops,stopped,buys,bought,does,did,reads,read,规则动词过去式的构成原则:1)一般在动词原形末尾加-ed；2)词尾是e的动词加-d;3)末尾是辅音字母y动词，改y为i，再加ed;4)末尾只有一个辅音字母的重读闭音节词,先双写这个辅音字母，再加ed.,动词第三人称单数的的构成原则:1)一般在动词词尾加s;2)以s,x,o,sh,ch结尾加es;3)末尾是辅音字母y动词,改y为I,再加es;,考虑以下动词的过去式,do:,did,go:,went,sing:,sang,eat:,ate,take:,took,have:,had,buy:,bought,see:,saw,read,read,get:,got,二、请根据要求改写句子,1)Sarahisinherbedroom.(变为一般疑问句)2)Ihaveasorethroat.(变为一般疑问句)3)Theycleanedtheroomyesterday.(变为一般疑问句)4)Areyouastudent?(作肯定回答)5)Didyougohikinglastweekend?(作否定回答)6)MybrotherlivesinBeijing.(变为一般疑问句)7)Aretheremanytressinthemountain?(作否定回答)8)Doesyourmothergotoworkonfoot?(作肯定回答)9)MikeboughtpresentsinKunming.(就划线部分提问)10)Iusuallyeatdinnerat6:30.(就划线部分提问)11)Ioftenplaythepianoontheweekend.(把一般现在时变成一般过去时),二、请根据要求改写句子,1)Sarahisinherbedroom.(变为一般疑问句)2)Igotoschoolonfoot.(变为一般疑问句)3)Theycleanedtheroomyesterday.(变为一般疑问句)4)HewatchedTVlastnight.(变为一般疑问句),IsSarahinherbedroom?,Doyougotoschoolonfoot?,Didtheycleantheroomyesterday?,DidhewatchTVlastnight?,5)MybrotherlivesinBeijing.(变为一般疑问句)6)Ihaveasorethroat.(变为一般疑问句)7)WesanganddancedintheparklastSunday.(变为一般疑问句),DoesyourbrotherliveinBeijing?,Doyouhaveasorethroat?,DidyousinganddanceintheparklastSunday?,8)MikeboughtpresentsinKunming.(就划线部分提问)9)Iusuallyeatdinnerat6:30.(就划线部分提问)10)Ioftenplaythepianoontheweekend.(把一般现在时变成一般过去时),WhatdidMikedoinKunming?,Whendoyouusuallyeatdinner?,Iplayedthepianolastweekend.,三、用动词的适当形式填空,Sarahismygoodfriend.Sheoften(get)upat6:30and(eat)breakfastat7:00.Thensheusually(go)toschoolonfoot.Lastweekendshe(go)hikingwithme.We(climb)amountainand(take)pictures.Wewereveryhappy.,gets,eats,goes,went,climbed,took,MikeisfromCanada.HesanEnglishteacher.He(live)inShanghai.Heusually(get)upat7:00and(go)toworkbycar.He(speak)Chineseverywell.Thestudents(like)himverymuch.Yesterdaythey(go)totheChangfengPark.They(take)thebusto(get)there.They(have)apicnicand(sing)together.Theywereveryhappy.,lives,gets,goes,speaks,like,went,took,get,had,sang,Exe:1.Weoften_(play)intheplaygound.2.He_(get)upatsixoclockeveryday.3._you_(brush)yourteetheverymorning.4.What_(do)heusually_(do)afterschool?5.Danny_(study)English,Chinese,Maths,ScienceandArtatschool.6.I_(have)anexcitingpartylastweekend.7.What_Tom_(do)onSaturdayevening?He_(watch)TVand_(read)aninterestingbookyesterday.8.Theyall_(go)tothemountainsyesterd