一般现在时现在进行时及一般过去时讲解张.pptx
He works.He is working.He worked.在英语中，在英语中，不同时间不同时间发发生的动作或存在的状态要生的动作或存在的状态要用用不同的动词形式不同的动词形式来表现。来表现。第1页/共27页时时态态现在进行时：现在进行时：一般现在时：一般现在时：一般过去时：一般过去时：现在正在现在正在进行进行的动作的动作 经常经常或或习惯性习惯性的动作。的动作。过去过去某个时间或时间段结束某个时间或时间段结束的动作。的动作。第2页/共27页一般现在时every,sometimes,attimesalways,usually,often,seldom,never,every,threetimesaday现在进行时一般过去时yesterday,lastweek,-ago,theotherday,in+年,justnow,Whennowthesedays,rightnow，Look,Listen.atPresent，atthemoment第3页/共27页Tom always gets presents on his birthday.They usually go to school at seven oclcok.My mother often watches TV on the computer.We sometimes play basketball after school.总 是是通通 常常经 常常有有 时Hestwelve.Iamastudent.一般现在时：一般现在时：表示现在的状态或经常、表示现在的状态或经常、习惯性的动作习惯性的动作：第4页/共27页LilyLucy第5页/共27页现在进行时现在进行时 表示现在说话瞬间正在进行的动作。表示现在说话瞬间正在进行的动作。She is reading in the reading room now.We are working on a farm these days.第6页/共27页1、Lucy did her homework at home.（改否定句）（改否定句）Lucy _ _ her homework at home.2、He found some meat in the fridge.（变一般疑问（变一般疑问句句)_ he _ _ meat in the fridge?3、There was some orange in the cup.（变一般疑（变一般疑问句问句)_ there _ orange in the cup?didntdoanyfindDidWasany第7页/共27页1 1 一般过去时表示过去某个时间结束的动作或存在的状态。一般过去时表示过去某个时间结束的动作或存在的状态。I did my homework yesterday.I played soccer last Sunday.I cleaned my room last week.I went to the beach three years ago.I played tennis with my friends last weekend.I went to the movies three days ago.第8页/共27页1.He is a teacher.2.Kangkang comes from China.3.I usually take the bus to work.先（一般疑问句）先（一般疑问句）再（否定句）再（否定句）Is he a teacher?He isnt a teacher.Does Kangkang come from China?Kangkang doesnt come from China.Do you usually take the bus to work?I dont usually take the bus to work.句句型型变变化化操操练练第9页/共27页4.They are having classes.5.Jane played the guitar last night.Are they having classes?They arent having classes.Did Jane play the guitar last night?Jane didnt play the guitar last night.句句型型变变化化操操练练第10页/共27页改一般疑问句的方法：改一般疑问句的方法：首先看有无首先看有无be动词，如果有，将动词，如果有，将be提到句首并大提到句首并大写，句末打问号写，句末打问号.如果没有如果没有be动词，看原句的动词形式来决定借用动词，看原句的动词形式来决定借用助动词助动词do/does/did,并且并且行为动词要还原行为动词要还原。V-原形原形V-s/esV-ed(过去式过去式)+动词原形动词原形?DoDoesDid第11页/共27页改否定句的方法：改否定句的方法：以此类推以此类推首先看有无首先看有无be动词，如果有，在动词，如果有，在be 动动词后面加词后面加not.如果没有如果没有be 动词，看原句的动词形式动词，看原句的动词形式来决定借用助动词来决定借用助动词do/does/did,并在后面并在后面加加not,并且并且行为动词要还原行为动词要还原。主语主语+dont/doesnt/didnt+动词原形动词原形第12页/共27页对比对比时态时态动词形式动词形式否定句否定句一般问句一般问句现在进现在进行时行时一般现一般现在时在时一般过一般过去时去时表格对比学习表格对比学习be+v-ing(现在分词）现在分词）在在be 后后加上加上not Be提到句提到句首首V-原形原形V-三人单三人单在实义在实义v.前借前借do,does后加后加not，动词还原，动词还原Do,Does 提提句首，句首，+动动原原V-ed(过去式）过去式）在实义在实义v.前借用前借用did后加后加not，+动原动原Did 提到句提到句首，实义首，实义动词还原动词还原第13页/共27页Complete the sentences.王先生是我们的英语老师。1.Mr Wang _(be)our English teacher.2.Mr Wang _(not be)our English teacher.3._(be)Mr Wang our English teacher?4.Yes,_ _.No,_ _.is is is not/isntis not/isntIs Is he ishe ishe isnthe isnt一般一般现在在时第14页/共27页v写出下列动词第三人称单数形式v1.workworksreadreadsv2.cleancleanswritewritesv3.teachteacheswashwashesv4.guessguesseswatchwatchesv5.gogoesdodoesv6.studystudiesflyfliesv7.crycriesplayplaysv8.havehas第15页/共27页大多数单词大多数单词+stalk-talkslook-looks以辅音以辅音y结尾结尾的单词的单词变变y为为i加加esflyflies（元音（元音+y直直接加接加s）以以s,ch,sh或或者者x结尾的单结尾的单词词+esmiss-misseswatch-watcheswash-washesfix-fixes第16页/共27页一般在动词原形后一般在动词原形后+ing以不发音的以不发音的e结尾结尾的，去的，去e，+ing以辅音以辅音+元音元音+辅音辅音字母结尾的，双写字母结尾的，双写这一字母这一字母+ing动词-ing形式的构成：writingtakinggettingrunningswimminggoinggoaskwritetakegetrunswimasking第17页/共27页1.look looked2.live lived3.stop stopped4.carrycarried5.hopehoped6.think thought7.Callcalled 8.finish finished9.want wanted10.Arewere 11.go went12.have had13.dodid14.get got e came16.say said 17.see saw18.put put19.eat ate20.take took 21.read read动词过去式练习动词过去式练习第18页/共27页动词过去式的构成规则动词不规则动词第19页/共27页规则动词过去式的构成构成规则例词一一般在动词末尾加般在动词末尾加 ed look looked play played 结尾是结尾是 e 的动词加的动词加-d live lived hope hoped 辅音字母辅音字母+元音元音+辅音辅音 ，双写，双写 最后的最后的 辅音，再加辅音，再加ed stop stoppedplan planned结尾是结尾是“辅音辅音+y”的动词，变的动词，变“y”为为“i”再加再加ed study studiedcarry carried第20页/共27页用所给动词的适当形式填空。用所给动词的适当形式填空。1.Listen!Mary _ (sing)now.2.A young man (run)on the playground now.3.My mother _ (watch)TV play every day.4.Old Bush _ (visit)China again last month.5.I _(play)sports three times a day.6.Look!Lucy and Lily _ (read)books.7.There _ (is)a football match yesterday.8.Our class _(go)to the zoo three days ago.is singing is running watches visited play are reading was went第21页/共27页时态大比拼1、She got up at seven oclock yesterday.（用 now改写）She is getting up now.2、（用 every day改写）She gets up at seven oclock every day.第22页/共27页时态大比拼 Tom cleans his room on weekends.（用two hours ago改写）Tom cleaned his room two hours ago.第23页/共27页1、I usually wash my clothes in the afternoon.(用now改写)I am washing my clothes now.2、(用last weekend改写)I washed my clothes last weekend.第24页/共27页选择填填空空1、Mymotheroftenoranges.AeatB.eatsC.eating2.Myauntsometimesverywell.A.singB.singsC.singing3.Theyusuallyemailstotheirfriends.A.sendB.sendsC.sending4.Hedoesnt_hishomeworkatschool.A.doB.isdoingC.does5.LilyandLucy_fromAmerica.A.isB.areC.am6.thetigersalways_inChina?A.Does;liveB.Does;livesC.Do;live7.PeopleSpringFestivaleveryyear.A.celebratesB.celebratecelebrateC.celebratingB BBAABcB一般现在时第25页/共27页翻译句子翻译句子1、小明正在做作业。、小明正在做作业。2、小明经常写作业。、小明经常写作业。3、小明昨天写作业了。、小明昨天写作业了。Xiao Ming is doing his homework.Xiao Ming often does his homework.Xiao Ming did his homework yesterday.第26页/共27页谢谢您的观看！第27页/共27页
