小学英语四大时态概述课件.ppt

1、.精品课件.1四种时态 一般现在时 现在进行时 将来时 过去时.精品课件.2The earth goes around the sun.He jumped high on last Sports Day.Mary likes Chinese.Mary likes Chinese.Do you do your homework every day?Whos going to New York soon？It was Bens birthday last Friday.请说出以下句子的时态.精品课件.3四种时态.精品课件.4动词1.概念：表示_和_的词。2.英文表达：verb3.英文缩写：v.动作

2、状态.精品课件.5jump 跳run 跑I am a teacher.She is a student.You are a boy.动作amisare状态.精品课件.6Find verb in the following phrase.ride a bike fly a kite make a cake color the dog clean the road follow the nurse.精品课件.7一般现在时 一般现在时：表示经常性的事情，习惯性的动作或一般性事实。时间状语：often 经常，usually通常，always 总是，every day每天，sometimes 有时等。.

3、精品课件.8 always，usually，often，sometimes,seldom和never都是用来表示时间的频度副词，但它们所表示的动作频率不同。通常说来，always表示100%，usually表示80%，often表示60%，sometimes表示40%，seldom表示20%，never表示0%。.精品课件.9.精品课件.10句子结构：1.主语+is/am/are+其他 2.主语（非单三非单三）+动词原形+其他 3.主语（单三单三）+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。.精品课件.11第一人称第一人称：

4、我，我们（：我，我们（I，we）第二人称：你，你们（第二人称：你，你们（you）第三人称：除了第一第二人称，其他都是第三人称：除了第一第二人称，其他都是第第三三人称人称单单数：数：男他男他,女她女她,动物它动物它(he.she.it)，某人，某物，某件事某人，某物，某件事第三人称单数第三人称单数.精品课件.12你能分辨出第三人称单数吗？this5 orangesshe ice-creamtheythe boyitthose sheBob and Tomwe his fatherIthe catsome breadmy grandparents.精品课件.13一般现在时 动词变单三：1）直接加s

5、，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.精品课件.14一般现在时 1.go-2.get-e-4.put-5.have-6.see-7.take-8.do-9.read-10.know-11.buy-12.say-goesgetscomesputshasseestakesdoes readsknowsbuyssays.精品课件.151.I _ three frien

6、ds in England.2.They_ a big room.3.Helen _ two cats.4.Jack and Cindy _ a son.5.She _ a big apple.6.Do you_ a bag?7.Bobs brother _a nice watch.havehavehashavehashave用用 have or has 填空。填空。第三人称单数用第三人称单数用has，非第三人称单数和复数用，非第三人称单数和复数用have.has.精品课件.161.I _ pears very much.2.They_ their school.3.Helen _ veget

7、ables.4.Jack and Cindy _ bread.5.She _hamburgers with chicken.6.Does he_ fruit?7.Bobs brother _carrots.用用 like or likes 填空填空。likelikelikelikeslikeslikelikes.精品课件.17needsplayscallsasksI have a baseball.She has a baseball.Do you have a pen?Does she have a pen?I go to school.She goes to school.精品课件.18

8、陈述句：用于说明一个事实或表达说话人的看法或观点的句子。陈述句陈述句分为肯定句肯定句和否定句否定句。肯定句肯定句表示肯定的意义；I am a teacher.I like apples.否定句否定句表示否定意义，句中有否定词not,never等，表示“不”的意思。I am not a teacher.I dont like apples.精品课件.19肯定句和否定句之间的转换肯定句和否定句之间的转换1.如果肯定句中有如果肯定句中有be动词（动词（am,is,are,）或者情态动词，只需在或者情态动词，只需在be动词或者情态动动词或者情态动词之后加词之后加not即可得到相应的否定句。即可得到相应

9、的否定句。2.如果句子中没有如果句子中没有be动词或者情态动词，动词或者情态动词，则需要借助则需要借助助动词助动词do、does，将，将not放在它放在它的后面，并将句中实义动词变为原形。的后面，并将句中实义动词变为原形。注意：注意：do,does,后面必须后面必须使用动词原形。使用动词原形。.精品课件.20肯定句和否定句之间的转换肯定句和否定句之间的转换 My father is a taxi driver.My father is not(isnt)a taxi driver.There are some apples on the table.There are not(arent)an

10、y apples on the table.He can play football very well.He can not(cant)play football very well.精品课件.21More Examples I like listening to pop music.I dont(do not)like listening to pop music.He goes to work every morning.He doesnt(dose not)go to work every morning.Linda drives to school every day.Linda d

11、oesnt(does not)drive to school every day.精品课件.221.I _ pears very much.2.They_ their school.3.Helen _ vegetables.4.Jack and Cindy _ bread.5.She _hamburgers.6.Bobs brother _carrots and rice.likelikelikeslikeslikelikes改为否定句改为否定句.精品课件.231.I like the schoolbag.2.He likes fruit.3.They eat bread.4.Helen ea

12、ts chicken.5.My father plays soccer.6.I want to watch TV.7.She wants to have lunch.8.Eric goes to school.9.We think about food.10.Paul helps his classmates.改为否定句改为否定句.精品课件.24 一般疑问句一般疑问句：一般疑问句是指可以直接用yes或no来回答的疑问句，这种疑问句句末多用升调。如：Is this your handbag?-Yes,it is./-No,it is not.Do you like apples?-Yes,I d

13、o./-No,I do not.一般疑问句的基本结构一般疑问句的基本结构：be动词/助动词/情态动词+主语+谓语/表语+其他？一般疑问句的回答一般疑问句的回答：Yes,主语+be动词/助动词/情态动词 No,主语+be动词/助动词/情态动词+not.精品课件.251.I like the schoolbag.2.He likes fruit.3.They eat bread.4.Helen eats chicken.5.My father plays soccer.6.I want to watch TV.7.She wants to have lunch.8.Eric goes to sch

14、ool.9.We think about food.10.Paul helps his classmates.改为一般疑问句改为一般疑问句.精品课件.261.I _ pears very much.2.They_ their school.3.Helen _ vegetables.4.Jack and Cindy _ bread.5.She _hamburgers.6.Bobs brother _carrots and rice.likelikelikeslikeslikelikes改为一般疑问句，并肯定改为一般疑问句，并肯定/否定回答否定回答.精品课件.27一般现在时（1）当句子中有be动词

15、或情态动词时 陈述句：She is a student.疑问句 Is she a student?否定句 She is not a student.陈述句：I can swim.疑问句 Can you swim否定句 I can not swim.精品课件.28一般现在时（2）当句子中即没有当句子中即没有be动词，也没有情态动词时动词，也没有情态动词时 陈述句：陈述句：We get up at 7:00 every morning.疑问句疑问句Do you get up at 7:00 every morning?肯定回答：肯定回答：Yes,we do.否定回答：否定回答：No,we dont

16、.否定句否定句We dont get up at 7:00 every morning.陈述句：陈述句：She has a little brother.疑问句疑问句 Does she have a little brother?肯定回答：肯定回答：Yes,she does.否定回答：否定回答：No,she doesnt.否定句否定句 She doesnt have a little brother.精品课件.29肯定句，否定句和一般疑问句之间转化的步骤 1仔细审题仔细审题 2看句子中含有哪类动词看句子中含有哪类动词 3复查复查.精品课件.30一般现在时 1.She is a girl.否定句

17、:一般疑问句:肯定回答:否定回答：She isnt a girl.Is she a girl?Yes,she is.No,she isnt.精品课件.31一般现在时 2.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.精品课件.32 I have a baseball.(否定句)I _ have a baseball.(一般疑问句)_ you

18、 _ a baseball?(肯定回答)Yes,I _.(否定回答)No,I _.She has a tennis ball.(否定句)She _ _ a baseball.(一般疑问句)_ she _ a baseball?(肯定回答)Yes,she _.(否定回答)No,she _.dontDohavedodontdoesnt haveDoeshavedoesdoesnt.精品课件.33选择题()1.Tom is a worker.He _ in a factory.His sisters _ in a hospital.work,work B.works,work C.work,work

19、s ()2.Who _ English best in your class?speak B.speaks C.speaking ()3.He often _ the windows.A.is cleaning B.clean C.cleans ()4.We _ music and often _ to music.like,listen B.likes,listens C.like,are listening BBCA.精品课件.34()5.She sometimes _ up at six in the morning.A.get B.gets C.gets ()6.Mary usuall

20、y_to me.A.will write B.write C.writes ()7.He doesnt _ cats.A.likes B.like C.liking()8.My sister_often clean the room.A.didnt B.isnt C.doesnt CCBC.精品课件.35填空1.I _ from China.(be)2.Jack and Tom _ my friends.(be)3.Your parents _(read)books every day.4.Li Lei always _ to school at 7:30.(go)5.You always _

21、(do)your homework well.amarereadgoesdo.精品课件.366.The child often _(watch)TV in the evening.7.Wang Kai and Wang Li_(have)lunch every day.8.We often_(play)in the playground.9.Chen Jie sometimes _(go)to the park with her sister.watcheshaveplaygoes.精品课件.3710.He often _(have)dinner at home.11.Daming and T

22、ommy _(be)in Class One.12.We _(not watch)TV on Monday.13.Nick_(not go)to the zoo on Sundays.14.They _(like)the apples.15.Do you _(eat)dinner at home.16.They dont _(get)up at five.hasaredont watchdoesnt golikeeatget.精品课件.38按要求完成句子1.Do you often play football after school?(肯定回答)2.I have many books.（改为

23、否定句）3.My sister likes peaches.（改为否定句）4.She lives in a small town near New York.（改为一般疑问句并做肯否回答）5.I watch TV every day.（同上）6.Tom has got a toy.（同上）.精品课件.39现在进行时句子结构句子结构:主语主语+be+动词的现在分词动词的现在分词 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定义定义：现在进行时表示现在或当前一般时间正现在进行时表示现在或当前一般时间正在进行的动作常与在进行的动作常与Listen，Look，now

24、，连连用用.精品课件.40现在进行时 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,.精品课件.41现在进行时 study_ make_ swim_ stop_ come_ close_ have_ run_ drive_ wash_ begin watch_ take talk putstudyingmak

25、ingswimmingstoppingcomingclosinghavingrunningdrivingwashingbeginningwatchingtakingtalkingputting.精品课件.42现在进行时 1Mr.Zheng (read)a book now.2.The rabbits(jump)now.3.Look!Tom and John (swim).4.My brother(make)a kite in his room now.5.Look!The bus(stop).6.We(have)an English class now.is readingare jumpin

26、gare swimmingis makingis stoppingare having.精品课件.43现在进行时否定形式:在be动词后面加not例如：I am not singing.They arent writing.一般疑问句及回答：把be动词放在句首例如：Am I singing?Yes,you are./No,you arent.Are they writing?Yes,they are./No,they arent.精品课件.44现在进行时 1.The boy is playing basketball.否定句：_ 一般疑问句：_ 肯定回答：_ 否定回答：_The boy isnt

27、 playing basketball.Is the boy playing basketball?Yes,he is.No,he isnt.精品课件.45选择题 1.What are you doing?I_.A.eat B.can eat C.eating D.am eating 2.We are _ books now.A.reading B.am reading C.read D.to read 3.Our teacher is _ a red sweater.A.putting on B.put on C.wears D.wear 4.That boy isnt _ the teac

28、her.A.listen B.listens C.listening D.listening toDAAD.精品课件.46现在进行时 5.Its eight oclock.Jimmys parents _ TV.A.is watching B.are watching C.watch D.to watch 6.My mother is _ a cake _ my birthday.A.making;to B.making;for C.doing;to D.doing;for 7.They are _ these books in the box.A.puts B.put C.to put D.

29、putting 8._ you _ the window?-Yes,I am.A.Do,clean B.Is,cleaning C.Are,cleaning D.Do,cleaningBBDC.精品课件.47填空题1.What are you _(do)now?I _(eat)bread.2.Its nine oclock.My father _(work)in the office.3.Look!The boy _(swim).4._ he _(clean)the classroom?No,he isnt.He _(play).5.Where is Mike?He _(run)on the

30、grass.6.Listen!who _(sing)in the music room?doingam eatingis workingis swimmingIs cleaningis playingis runningis singing.精品课件.48BBBBCCBA.精品课件.49BABBABBA.精品课件.50 BABABB.精品课件.51 1).she,the window,open,now.(用现在进行时连词成句.)_ 2).is,who,the window,cleaning?(连词成句)_ 3).She is closing the door now.(改成否定句)_ 4.)Y

31、ou are doing your homework.(用I作主语改写句子)_ _ 5).they,the tree,sing,now,under.(用现在进行时连词成句.)_ 6).The children are helping the old woman.(改成一般疑问句)_二、按要求写句子She is opening the window now.Who is cleaning the window?She is not(=isnt)closing the door now.I am doing my homework.They are singing under the tree n

32、ow.Are the children helping the old woman?.精品课件.52 三.用词的适当形式填空。1.What time_ his father_(do)the work?2.He _(get)up at five oclock evey day.3._ you _(brush)your teeth every morning?4.What _(do)he usually _(do)after school?5.Tom _(study)English,Chinese,and Maths at school.6.Kitty sometimes _(go)to the

33、park with his sister.7.At eight at night,she _ (watch)TV with her parents.8._ Mike_(read)English every day?9.How many lessons_ your classmates _ (have)on Monday?10.We often _ (play)football in the playground.does dogetsDo brushdoes dostudies goes watches Does read do have play .精品课件.53 四.用现在进行时完成下列句

34、子:1.What_you_(do)?2.I_(sing)an English song.3.What_he_(mend)?He_(mend)a car.4._you_(fly)a kite?Yes,_.5._she_(sit)in the boat?6._you_(ask)questions?7.We_(play)games now.are doing am singing is mending is mending Are flying we are Is sitting Are asking are playing .精品课件.54一般将来时定义定义：表示将要发生的事或打算、计划、决定要表

35、示将要发生的事或打算、计划、决定要做的事情做的事情。常与tomorrow,next week/weekend/month/year,this morning/afternoon/evening连用句子结构句子结构：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.精品课件.55todaytomorrowthe day after tomorrow13th14th15th12th11th.精品课件.56否定形式：把be动词或will后面加not例如：Jim is not going to play foo

36、tball.Jim will not play football.一般疑问句：把be动词或will调到句首，例如：Is Jim going to play football?Will Jim play football?will not=wont.精品课件.57填空题1.We_(visit)the Great Wall next month.2.My father _(fly)to Beijing tomorrow.3.Tom_(clean)the room next week.4._she_(learn)English soon?Yes,she will.5._ you _(borrow)b

37、ooks from the library tomorrow?6.I _(buy)a new one next Saturday.7.They _(have)a picnic in the park next Sunday.8.I _(write)a letter the day after tomorrow.9.He _(make)a kite next Monday.10.My mother _(cook)some delicious food this weekend.will visitwill flywill cleanWill learnWill borrowwill buywil

38、l havewill writewill makewill cook.精品课件.58改写句子1.Tom is going to visit the zoo.（改否定）2.Ill go to the shop.（改否定）3.Im going to get up at 6:30 tomorrow.（改一般疑问句作肯否回答）4.We will meet at the bus stop at 10:30.（同上）5.He will fly a kite.（同上）6.Mary is going to make a cake.（同上)7.They are going to see the tigers.（

39、同上).精品课件.59过去式定义：定义：一般过去时表示过去某个时间发生的动作或存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用。在的状态。常和表示过去的时间状语连用。如：如：last week,yesterday,in 2000,last Sunday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.精品课件.60todaytomorrowthe day after tomorrow13th14th15th12th11th.精品课件.61动词过去式的规则变化一般情况，直接加上-ed。如：look-loo

40、ked。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。.精品课件.62动词过去式的不规则变化am,is-was are-were do-did see-saw say-said give-gave get-got go-went come-came have-had eat-ate take-took run-ran sing-sang put-put make-made read-read write-wrote draw-

41、drew drink-drank fly-flew ride-rode speak-spoke sweep-swept swim-swam sit-sat.精品课件.63肯定句：肯定句：I went to the zoo yesterday.一般疑问句：一般疑问句：Did you go to the zoo yesterday?肯定回答：肯定回答：Yes,I did.否定回答：否定回答：No,I didnt.否定句：否定句：I didnt go to the zoo yesterday.肯定句：肯定句：They were good friends then.一般疑问句：一般疑问句：Were t

42、hey good friends then?肯定回答：肯定回答：Yes,they were.否定回答：否定回答：No,they werent.否定句：否定句：They werent good friends then.精品课件.64句型转换句型转换1.She saw a cat last weekend.否定句：否定句：_一般疑问句：一般疑问句：_肯、否定回答：肯、否定回答：_2.Tom was on the first floor.否定句：否定句：_一般疑问句：一般疑问句：_肯、否定回答：肯、否定回答：_She didnt see a cat last weekend.Did she see

43、 a cat last weekend?Yes,she did.No,she didnt.Tom wasnt on the first floor.Was Tom on the first floor?Yes,he was.No,he wasnt.精品课件.65选择题1.She made a cake _.A tomorrow B sometimes C yesterday morning 2.What _ Mike do last weekend?A do B does C did3.I _ my room last Sunday.A cleaned B clean C am cleanin

44、g4.I often help my mother _ housework.A does B did C do 5._ you _ TV last night?A Do,watch B Did,watch C Did,watchedCCACB.精品课件.66用动词的适当形式填空用动词的适当形式填空 1.He _(live)in China in 2001.2.The cat _(eat)a bird last night.3.We _(have)a party last Saturday.4.Peter _(go)to the park yesterday.5.Did you_(see)you

45、r sister?6.They didnt_(drink)any water.7.My mother _ (cook)a nice food last week.8.The girls _(sing)and _ (dance)at the party three days ago.livedatehadwentseedrinkcookedsangdanced.精品课件.67真题训练26.-？-Yes,it is.A.What colour is it?B.Whats this?C.Is this a pizza?29.-Does it have a long tail?-.A.Yes,it h

46、as.B.Yes,it is.C.Yes,it does.30.I often to the cinema the weekend.A.go,at B.go,in C.goes,atCCA.精品课件.68真题训练35.-Does she have English class today?-.A.Yes,she Is.B.Yes,she does.C.Yes,she has.27.-Can I take my new cap?-.A.Yes,you can.B.Yes,youre.C.Yes,you may.BA.精品课件.69真题训练31.-Does it have big teeth?-No

47、,it small teeth.A.have B.has C.does33.-Where is Diana from?-.A.She is from Japan.B.She lives in Japan.C.She likes Japan.BA.精品课件.70真题训练30.-Whatyour aunt do?-Shea nurse in the hospital.A.does,is B.did,is C.does,are35.it oftenin winter?A.Do,snow B.Does,snows C.Does,snow31.Whatshe?-A bus driver.A.do,do

48、B.do,does C.does,doBCC.精品课件.71真题训练35.-What do you do?-.A.Im a doctor.B.Im watching TV.C.I often go swimming.27.-Does it have brown eyes?-.It has red eyes.A.Yes,it does.B.No,it doest.C.Yes,he does.AB.精品课件.72真题训练28.-Whatyou oftenon Sunday?A.do,do B.does,do C.did,does 30.it often rain in spring in Nanj

49、ing?.A.Does B.Is C.Was30.I oftento the cinemathe weekend.A.go,at B.go,in C.goes,atAAA.精品课件.73真题训练 30.-Does he likeTV?-Yes,he.A.watch,do B.watches,does C.watch,does()27.-Does he like music?-Yes,he.A.do.B.does C.dont28.-Andydinner every day?-Yes,he does.A.Does,cook B.Do,cooks C.Does,cookscBA.精品课件.74真题

50、训练真题训练30.-Look at them.What are they doing?-.A.They are reading books.B.They like reading books.C.They read books.37.Its 8 oclock now.Ben a book in the bedroom.A.reading B.is reading C.are readingAB.精品课件.75真题训练真题训练37-Was it rainy yesterday?-.A.Yes,it was B.Yes,it is C.No,it isnt.38.-When did she hav