四个重要小学英语时态精品文稿.ppt

四个重要小学英语时态第1页，本讲稿共31页四种时态n一般现在时n现在进行时n将来时n过去时第2页，本讲稿共31页1.表示事物或人物的特征、状态。如：表示事物或人物的特征、状态。如：The sky is blue.天空是蓝色的。天空是蓝色的。2.表示经常性或习惯性的动作。如：表示经常性或习惯性的动作。如：I get up at six every day.我每天六点起床。我每天六点起床。3.表示客观现实。如：表示客观现实。如：The earth goes around the sun.地球绕着太阳转。地球绕着太阳转。一般现在时一般现在时概念概念第3页，本讲稿共31页一般现在时时间状语：often经常，never从不usually通常，always总是，everyday每天，sometimes有时等。第4页，本讲稿共31页句子结构：1.主语+is/am/are+其他2.主语（非单三）+动词原形+其他3.主语（单三）+动词s或es+其他非单三非单三：I,you,we,they,复数。单三单三：he,she,it,单个人，单个物。第5页，本讲稿共31页一般现在时n动词变单三：1）直接加s，如：come-comes2)以o,x,s,sh,ch结尾+es,如:do-does,wash-washes，go-goes3）辅音字母加y结尾，把y改为i，+es，如：fly-flies,worry-worries,carry-carries4）特殊：have-has第6页，本讲稿共31页一般现在时n1.go-2.get-e-n4.put-5.have-6.see-n7.take-8.do-9.read-n10.know-11.buy-12.say-goesgetscomesputshasseestakesdoesreadsknowsbuyssays第7页，本讲稿共31页一般现在时n2.He often goes to school at seven.否定句:一般疑问句:He doesnt often go to school at seven.Does he often go to school at seven?肯定回答：Yes,he does.否定回答：No,he doesnt.第8页，本讲稿共31页选择题n()1.Tomisaworker.He_inafactory.Hissisters_inahospital.nwork,workB.works,workC.work,worksn()2.Who_Englishbestinyourclass?nspeakB.speaksC.speakingn()3.Heoften_thewindows.nA.iscleaningB.cleanC.cleansn()4.We_musicandoften_tomusic.nlike,listenB.likes,listensC.like,arelisteningBBCA第9页，本讲稿共31页填空1.I_fromChina.(be)2.JackandTom_myfriends.(be)3.Yourparents_(read)bookseveryday.4.LiLeialways_toschoolat7:30.(come)5.Youalways_(do)yourhomeworkwell.amarereadcomesdo第10页，本讲稿共31页6.Thechildoften_(watch)TVintheevening.7.WangKaiandWangLi_(have)luncheveryday.8.Weoften_(play)intheplayground.9.ChenJiesometimes_(go)totheparkwithhersister.watcheshaveplaygoes第11页，本讲稿共31页10.Heoften_(have)dinnerathome.11.DamingandTommy_(be)inClassOne.12.We_(notwatch)TVonMonday.13.Nick_(notgo)tothezooonSundays.14.They_(like)theapples.15.Doyou_(eat)dinnerathome.16.Theydont_(get)upatfive.hasaredont watchdoesnt golikeeatget第12页，本讲稿共31页定义定义：现在进行时表示现在或当前一般时间正在进现在进行时表示现在或当前一般时间正在进行的动作行的动作现在进行时现在进行时标志词标志词常与常与Listen，Look，now，连用连用第13页，本讲稿共31页句子结构句子结构:主语主语+be+动词的现在分词动词的现在分词 I am listening now口诀：我用am，你用are，is用在他她它，单数名词使用is，复数名词使用are第14页，本讲稿共31页现在进行时n动词动词ing的变化规律：1）直接加ing，如：open-opening,clean-cleaning2）去掉词尾不发音的e，如：take-taking,have-having,3）重读闭音节的，双写最后的字母，加ing,如：put-putting,begin-beginning,swim-swimming,run-running,第15页，本讲稿共31页现在进行时nstudy_make_swim_nstop_come_close_nhave_run_drive_nwash_beginwatch_ntaketalkputstudyingmakingswimmingstoppingcomingclosinghavingrunningdrivingwashingbeginningwatchingtakingtalkingputting第16页，本讲稿共31页现在进行时n1MrZheng(read)abooknow.n2.Therabbits(jump)now.n3.Look!TomandJohn(swim).n4.Mybrother(make)akiteinhisroomnow.n5.Look!Thebus(stop).n6.We(have)anEnglishclassnow.is readingare jumpingare swimmingis makingis stoppingare having第17页，本讲稿共31页现在进行时否定形式:在be动词后面加not例如：Iam notsinging.Theyarent writing.一般疑问句及回答：把be动词放在句首例如：Am Isinging?Yes,youare./No,youarent.Are theywriting?Yes,theyare./No,theyarent.第18页，本讲稿共31页现在进行时n1.Theboyisplayingbasketball.n否定句：_n一般疑问句：_n肯定回答：_n否定回答：_The boy isnt playing basketball.Is the boy playing basketball?Yes,he is.No,he isnt.第19页，本讲稿共31页一般将来时定义定义：表示将要发生的事或打算、计划、决定要表示将要发生的事或打算、计划、决定要 做的事情做的事情。标志词：标志词：常与tomorrow,nextweek/weekend/month/year,thismorning/afternoon/evening连用第20页，本讲稿共31页句子结构句子结构：1.主语主语+be going to+动词原形动词原形2.主语主语+will+动词原形动词原形3.主语主语+shall+动词原形动词原形第21页，本讲稿共31页否定形式：否定形式：把be动词或will后面加not例如：Jimis not going to playfootball.Jimwill notplayfootball.一般疑问句：一般疑问句：把be动词或will调到句首，例如：IsJimgoing toplayfootball?Yes,heis./No,heisnt.WillJimplayfootball?Yes,hewill./No,hewont.will not=wont第22页，本讲稿共31页填空题1.We_(visit)theGreatWallnextmonth.2.Myfather_(fly)toBeijingtomorrow.3.Tom_(clean)theroomnextweek.4._she_(learn)Englishsoon?Yes,shewill.5._you_(borrow)booksfromthelibrarytomorrow?6.I_(buy)anewonenextSaturday.will visitwill flywill cleanWill learnWill borrowwill buy第23页，本讲稿共31页过去式定义：定义：一般过去时表示过去某个时间发生的动一般过去时表示过去某个时间发生的动作或存在的状态。常和表示过去的时间状语连作或存在的状态。常和表示过去的时间状语连用。用。标志词：标志词：如：如：last week,yesterday，in 2000,last Sunday第24页，本讲稿共31页句子结构：句子结构：1.主语主语+was/were+其他其他 2.主语主语+动词的过去式动词的过去式+其他其他第25页，本讲稿共31页动词过去式的规则变化一般情况，直接加上-ed。如：look-looked。以不发音的字母e结尾的动词，加-d。如：live-lived。以重读闭音节结尾，先双写辅音字母，再加-ed。如：stop-stopped辅音字母+y结尾的动词，先变y为i，再加-ed。如：study-studied。第26页，本讲稿共31页动词过去式的不规则变化am,is-wasare-weredo-didsee-sawsay-saidgive-gaveget-gotgo-wentcome-camehave-hadeat-atetake-tookrun-ransing-sangput-putmake-maderead-readwrite-wrotedraw-drewdrink-drankfly-flewride-rodespeak-spokesweep-sweptswim-swamsit-sat第27页，本讲稿共31页肯定句：Iwenttothezooyesterday.一般疑问句：Didyougotothezooyesterday?肯定回答：Yes,Idid.否定回答：No,Ididnt.否定句：Ididntgotothezooyesterday.肯定句：Theyweregoodfriendsthen.一般疑问句：Weretheygoodfriendsthen?肯定回答：Yes,theywere.否定回答：No,theywerent.否定句：Theywerentgoodfriendsthen.第28页，本讲稿共31页选择题1.Shemadeacake_.AtomorrowBsometimesCyesterdaymorning2.What_Mikedolastweekend?AdoBdoesCdid3.I_myroomlastSunday.AcleanedBcleanCamcleaning4.Ioftenhelpmymother_housework.AdoesBdidCdo5._you_TVlastnight?ADo,watchBDid,watchCDid,watchedCCACB第29页，本讲稿共31页用动词的适当形式填空用动词的适当形式填空1.He_(live)inChinain2001.2.Thecat_(eat)abirdlastnight.3.We_(have)apartylastSaturday.4.Peter_(go)totheparkyesday.5.Didyou_(see)yoursister?6.Theydidnt_(drink)water.7.Mymother_(cook)anicefoodlastweek.8.Thegirls_(sing)and_(dance)atthepartythreedaysago.livedatehadwentseedrinkcookedsangdanced第30页，本讲稿共31页反身代词nmyself(我自己)nyourself(你自己)nhimself(他自己)nherself(她自己)nitself(它自己)nourselves(我们自己)nyourselves(你们自己)nthemselves(他们/她们/它们自己)第31页，本讲稿共31页