七年级英语三大时态ppt课件.ppt

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1、英语时态,在英语中,不同时间发生的动作或存在的状态要用不同的动词形式来表现。,每种时态的概念、信息词、结构、句式变化、以及某些时态间的相互区别,重点掌握,时态,Tense,时态,现在进行时:,一般现在时:,一般过去时:,现在正在进行的动作,经常或习惯性的动作或存在的状态。,过去某个时间或时间段发生的动作或存在的状态。,(The Present Continuous Tense),(The Simple Present Tense),(The Simple Past Tense),各时态常用的信息词,现在进行时:,一般现在时:,一般过去时:,now,Look!Listen!at this tim

2、e Where is?Dont talk!Its 8:00am.,always,usually,often,sometimes,seldom,never,every day,every,three times a day,last night,last,two days ago,ago,in 1999,in+过去的年份,just now=a moment ago,yesterday,yesterday morning,改一般疑问句的方法:,改否定句的方法:,首先看有无be动词,如果有,将be提到句首并大写,句末打问号.如果没有be动词,看原句的动词形式来决定借用助动词do/does/did,并

3、且行为动词要还原。,V-原形V-s/esV-ed(过去式),+动词原形?,以此类推,首先看有无be动词,如果有,在be 动词后面加not.如果没有be 动词,看原句的动词形式来决定借用助动词do/does/did,并在后面加not,并且行为动词要还原。,主语+dont/doesnt/didnt+动词原形,现在分词 的构成:,动词第三人称单数的构成:,过去式的构成:,直接加-ing.重读辅元辅,双写尾字母加-ing.以e 结尾去e加-ing.,直接加-s.以s,x,ch,sh,o结尾加-es.以“辅音+y“结尾变y 为i再加-es.,直接加-ed.以e结尾只加d.重读辅元辅,双写尾字母再加-ed

4、.以“辅音+y”结尾变y 为i 再加-ed.,表格对比学习,be+v-ing(现在分词),在be 后加上not,Be提到句首,V-原形V-三人单,在行为v.前借用do,does后加not,行为动词还原,Do,Does 提到句首,行为动词还原,V-ed(过去式),在行为v.前借用did后加not,行为动词还原,Did 提到句首,行为动词还原,小小测试,判断时态形式:,He always likes playing the piano.()We are having an English classes now.()They often go home late.()Lucy danced the

5、 disco at the party last night.()I liked go to the zoo when I was young.()My teacher is friendly to us.()Look!They are playing football.()She was born in 1990.()I lost much money last night.(),A.现在进行时B.一般现在时C.一般过去时,A,B,C,A,B,B,C,C,C,have-look-begin-use-shop-get-dance-study-,现在分词,第三人称单数,过去式,study-fin

6、ish-have-go-do-play-watch-give-,need-stop-hope-play-try-plan-visit-like-,having looking beginning using shopping getting dancing studying,studies finishes has goes does plays watches gives,needed stopped hoped played tried planned visited liked,词形转换,He is a teacher.,2.Kangkang comes from China.,3.I

7、usually take the bus to work.,4.They are having classes.,5.Jane played the guitar last night.,先(一般疑问句)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.,Are they having clas

8、ses?They arent having classes.,Did Jane play the guitar last night?Jane didnt play the guitar last night.,句型变化操练,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 ti

9、mes a day.6.Look!Lucy and Lily _(read)books.7.There _(is)a football match yesterday afternoon.8.Our class _(go)to the zoo three days ago.,is singing,is running,watches,visited,play,are reading,was,went,判断下列信息词是属于哪种时态,last night now every day Look!yesterday often Listen!two years ago alwaysin 1897 th

10、ree times a week,一般现在时一般过去时现在进行时,过去式的不规则变化,blow-buy-can-come-do-eat-fall-find-forget-get-,give-go-have-know-learn-make-meet-read-run-say-,see-send-sit-take-think-will-tell-begin-teach-catch-,blew bought could came did ate fell found forgot got,gave went had knew learnt made met read ran said,saw sen

11、t sat took thought would told began taught caught,2.She sings a song in the room._now(现在进行时)3.She will go to school._(现在进行时表示将来时)_(一般现在时)4.His father is writing a letter with a pen._(一般现在时),5.Her aunt draws a picture with markers._(现在进行时)6.老师正在和新学生们交谈._7.他晚上经常看电视._8.我的外婆每星期六早上乘公共汽车来._,1.She_two daug

12、hters.has B.does have C.have D.haves2.There are two_in the house.A.family B.families C.familys D.home3.My father and mother_teachers.A.are B.is C.do D.does4.They are _ Jennys family.A.B.a C.an D.the 6.What is your uncle?He is _officer.A.a B.an C.the D.7.This is your coat.Please _.A.wear it on B.put

13、on C.put it on D.wear on it,A B A D B C,8.Kate and I _ doing _homework now.A.am,their B.are their C.is our D.are our9.My father and mother are_.A.Buses driver B.buses drivers C.bus drivers D.bus driver10.They are talking_todays newspaper.A.To B.with C.of D.about11.Do you like_on the grass?A.To sit B

14、.siting C.sitting D.both A and C,D C D D,句型转换1.We live in China.(就画线部分提问)2.I have no brothers.(同义句)3.My father is a worker.(就画线部分提问)4.I have a birthday party.(变为一般疑问句),Where do you live?I dont have any brothers.What is your father?What does your father do?Do you have a birthday party?,5.The boy is r

15、unning.(就画线部分提问)6.The old man has no children.(同义句)7.We are listening to the radio.(就画线部分提问)8.She is fifteen years old.(就画线部分提问),What is the boy doing?The old man doesnt have any children.What are you listening to?How old is she?,1.We often _(play)in the playground.2.He _(get)up at six oclock.3._ yo

16、u _(brush)your teeth every morning?4.What _he usually_(do)after school?,plays,gets,Do,brush,does,do,5.Danny_(study)English,Chinese,Maths,Science and Art at school.6.Mike sometimes _(go)to the park with his sister.7.At eight at night,she _(watch)TV with his parents.8._ Mike _(read)English every day?,

17、studies,goes,watches,Does,read,9.How many lessons _ your classmate _(have)on Monday?10.What time _ his mother _(do)the housework?,does,have,does,do,改句子1.Do you often play football after school?(肯定回答)2.I have many books.(改为否定句)3.Gao Shans sister likes playing table tennis(改为否定句),Yes,I do.,I dont have

18、 many books.,Gao Shans sister doesnt like playing table tennis.,4.She lives in a small town near New York.(改为一般疑问句)5.I watch TV every day.(改为一般疑问句)6.David has a book.(改为一般疑问句),She doesnt live in a small townNear New York.,Do you watch TV every day?,Does David have a book?,7.We have four lessons.(否定句

19、)8.Nancy doesnt run fast(肯定句)9.My dog runs fast.否定句:一般疑问句:,We dont have four lessons.,Nancy runs fast.,Does your dog run fast?,My dog doesnt run fast.,10.Mike has two letters for him.一般疑问句:否定句:11.I usually play football on Friday afternoon.否定句:一般疑问句:划线提问,Does Mike have two letters for him?,Mike does

20、nt have two letters for him.,I usually dont play football on Friday afternoon.,Do you usually play football on.?,What do you usually do on Friday afternoon.,用一般现在时或现在进行时填空。1.Miss Guo _(teach)us Chinese this term.She _(be)a very good teacher.She often _(talk)with us after class.Many of us like _(talk

21、)with her.Now,she _(talk)with Lily,1.teaches,is,talks,talking,is talking,2.Listen!Who _(read)English?Han Meimei is.She often _(read)English in the evening.3.Where _(be)Tom and Jim?They _(play)football._ LinTao _(play)footballs too?No,he _(mend)his bike.,is reading,reads,are,are playing,Is,playing,is

22、 mending,4.Where _ their father_(work)?He _(work)on a farm.But now he _(not work).He _(stay)at home.5.What time _ the shop _(close)?It _(close)at nine oclock in the evening.6.He _(go)to school by bus every day.,does,work,works,isnt working,is staying,does,close,closes,gose,7.Tom can not walk fast be

23、cause he _(carry)a heavy box.8.Do you think the teachers _(have)a meeting now?9.Why is the girl _(stand)at the door?_(ask)her to come in.10.Its late spring.The weather _(get)warmer and warmer.,carries,are having,standing,Ask,is getting,把一般现在时改写成现在进行时。1.He throws a ball every afternoon.He _ _ a ball

24、now.2.My parents often make cakes for me.My parents _ _ cakes for me now.,is throwing,are making,3.They must clean the bedroom once a week.Look!They _ _ the bedroom.4.The students read English everyday.The students _ _ English at the moment.5.The monkey often jumps up and down.Look!The monkey _ _ up

25、 and down.,are,cleaning,are,reading,are jumping,Tom and Mary _(come)to China last month.Mike _(not go)to bed until 12 oclock last night.So he _(get)up late.Mary _(read)English yesterday morning.There _(be)no one here a moment ago.I _(call)Mike this morning.,came,didnt go,got,read,was,called,6.I list

26、ened but _(hear)nothing.8.Last week we _(pick)many apples on the farm.9.My mother _(not do)housework yesterday.10.She watches TV every evening.But she _(not watch)TV last night,heard,picked,didnt do,didnt watch,11_ your father _(go)to work every day last year?12-What time _ you _(get)to Beijing yest

27、erday?-We _(get)to Beijing at 9:00 in the evening.13.What _(make)him cry(哭)just now?14.Last year the teacher _(tell)us that the earth moves around the sun.15.There _ a telephone call for you just now.(be),Did,go,did,get,got,made,told,was,16.There _ not enough people to pick apples that day.(be)17.Th

28、ere _(be not)any hospitals in my hometown(家乡)in 1940.18.There _ enough milk at home last week,wasnt there?19.Eli _ to Japan last week.(move)20.When _ you _(come)to china?Last year.,were,werent,was,moved,did,come,21.Did she _(have)supper at home?22.Jack _(not clean)the room just now.23._(be)it cold i

29、n your city yesterday?24.How many people _(be)there in yourclass last term?25.It _(be)hot yesterday and most children _(be)outside.26.There _(be)a football match on TV yesterday evening,but I _(have)no time to watch it.,have,didnt clean,Was,were,was,were,was,had,I _(have)an exciting party last weeke

30、nd._ she _(practice)her guitar yesterday?No,she _.What _ Tom _(do)on Saturday evening?He _(watch)TV and_(read)an interesting book.They all _(go)to the mountains yesterday morning.She _(not visit)her aunt last weekend.She _(stay)at home and _(do)some cleaning.,had,Did,practice,didnt,did,do,watched,re

31、ad,went,didnt visit,stayed,did,6.When _ you _(write)this song?I _(write)it last year.7.My friend,Carol,_(study)for the math test and _(practice)English last night.8._ Mr.Li _(do)the project on Monday morning?Yes,he _.9.How _(be)Jims weekend?It _(be not)bad.10._(be)your mother a sales assistant last

32、year?No.she _.,Was,wasnt,was,wasnt,Did,do,studied,practiced,did,write,wrote,didnt,1How is Jane yesterday?_is_was_ 2He go to school by bus last week._ _go _went_ 3He often goes home at 6:00 last month._goes_went_4I can fly kites seven years ago._can_ could 5Did you saw him just now.saw see,6Tom wasnt

33、 watch TV last night wasnt didnt7I didnt my homework yesterday.do8He wait for you three hours ago.Wait waited9Who find it just now?find found,1.Father bought me a new bike.(同义句)Father bought _ _ _ _ me.2.Frank read an interesting book about history.(一般疑问句)_ Frank _ an interesting book about history?

34、3.Hes cleaning his rooms.(划线提问)_ he _?4.Why not go out for a walk?(同义句)_ _ _ out for a walk?,a new bike for,Did,read,what is,doing,Why dont you go,5.Thomas spent 10 RMB on this book.(否定句)Thomas_10 RMB on this book.6.My family went to the beach last week.(划线提问)_ _ _ family _ last week?7.I didnt have any friends.(一般疑问句)_ _ have _ friends?8.I think she is Lilys sister.(否定句)_ 9.Sally often does some reading in the morning.(否定句)Sally _ often _ some reading in the morning.,didnt spend,what did your,do,Did you,any,I dont think she is Lilys sister,didnt,do,Good bye,

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