一般现在时和一般过去时的区别23940PPT课件

.,Findthedifferences,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.,.,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.李明playsbasketballontheweekends.Itsnowsineverywinter.主语动词单三其他,Hewenttoworkbybusyesterday.ShewatchedTVlastnight.李明playedbasketballthreedaysago.Itsnowedinlastwinter.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.Theydonothavelessonseverymoring.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.李明doesnotplaybasketballontheweekends.Itdoesnotsnowineverywinter.主语doesnot+动词原形+其他,Hedidnotgotoworkbybusyesterday.ShedidnotwatchTVlastnight.李明didnotplaybasketballthreedaysago.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,.,Exe:1.Weoften_(play)intheplaygound.2.He_(get)upatsixoclock.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)aninterestingbook.8.Theyall_(go)tothemountainsyesterdaymorning.9.She_(notvisit)hera