通用版七年级英语三种时态的用法以及辨析使用课件(共19张).pptx

1、七年级三种时态的用法及辨析使用一般现在时的用法1.1.例如：例如：I am fifteen.He is 12.She is at home.Wheres the schoolbag?I have three ping-pang balls2.2.如如 often,sometimes,always,every day,once a week,on Saturdays等等连用。例如：连用。例如：I go to school at 7:30 every day.“Wheres the school bag?”Tom always asks.表示现在的状态表示现在的状态,表示经常的或习惯性的动作或存在

2、的状态，常与表示频度的时间状语，表示经常的或习惯性的动作或存在的状态，常与表示频度的时间状语，一般现在的用法I dont play sports-I only watch them on TV.-How often does he surf the Internet?-He surfs the Internet twice a week.3.表示主语具备的性格和能力等，例如：表示主语具备的性格和能力等，例如：They know English.She is always ready to help others.Bill likes beef,but he doesnt like chicke

3、n.一般现在时的用法4.4.表示客观真理、科学事实、格言警句及其他不受时间限制的客观表示客观真理、科学事实、格言警句及其他不受时间限制的客观存在。例如：存在。例如：Our physics teacher said that light travels much faster than sound.Three plus five is eight.Shanghai lies in the east of China.5.在时间、条件状语从句中，用现在时表示将来的动作，从句的谓在时间、条件状语从句中，用现在时表示将来的动作，从句的谓语动词用一般现在时。例如：语动词用一般现在时。例如：She wil

4、l email you as soon as she gets to Beijing.If you come this afternoon,we will have a meeting.巩固练习巩固练习1.What do you think of the milk?Oh,it (taste)good.2.If you (not be)careful enough in the exam,you will not get a good grade.3.In spring,she often (fly)kites in the Red Star Park.4.This caf (serve)aft

5、ernoon tea from three to five every day in England.5.-Who is playing that piano?-My sister,when she _time.A.have B.has C.is having D.has hadtastesarent flies serves serves B B 一般过去时的用法My father worked in Shanghai last year.He got up at 6:30 yesterday.They were over there a moment ago.I was not(wasnt

6、)here yesterday.-Where did you go on vacation?-I went to the mountains.1、表示过去某个时间或某一段时间内发生的动作或状态，通常与过去的时间状语连用:yesterday,last week(month,year),in 2012,three days ago，just now,the other day,等。一般过去时的用法I often went to school on foot.He always went to work by bus last year.When I was a child,I often swam

7、 in the river.He said he wouldnt go if it rained.He said he would let me know when he got the information.3 3、在时间、条件状语从句中，常用一般过去时替代过去将来在时间、条件状语从句中，常用一般过去时替代过去将来时，简称主过从过时，简称主过从过。2、表示过去经常或反复发生的动作，常和often,always等表示频度的时间状语连用。一般过去时的用法He put down the heavy box，took out the keys，and opened the door.They mo

8、ved the chairs to the table，sat down and began to have supper.4 4、表示过去发生的一连串动作。表示过去发生的一连串动作。过去发生的一连串动作，若用过去发生的一连串动作，若用andand，oror，butbut等并列连词连接，等并列连词连接，则一律用过去式。则一律用过去式。巩固练习之巩固练习之句型转换句型转换1.We had some delicious food this morning.（改为一般疑问句)_?2.Sam was a little boy at that time.（变为否定句）Sam _ _ a little b

9、oy at that time.3.His friends were in the library just now.（对划线部分提问）_ _ his friends just now?4.Were they very happy yesterday?（作否定回答）No,_ _.5.Was your brother born in Chongqing?（作肯定回答）Yes,_ _.巩固练习之能力提升1.How old were you when you （start）learning English?Ten years old.2.I called you yesterday evening,

10、but you were not in.Sorry,I _ in the shop with my mother.A.am B.will be C.was D.being3.Ken his jacket in the gym.He has to get it back.A.left B.leavesC.is leavingD.was leaving现在进行时的用法1、表示现在（说话瞬间）正在进行或发生的动作。如：The students are listening to the teacher.He is watching TV now.2、表示当前一段时间内的活动或者现阶段正在进行的动作。如

11、：Im reading an interesting book this month.Shes learning English at college.3、表示按最近计划或安排将要发生的动作，常用的这类动词有go,come,leave,start,arrive等，其现在进行时可表将来。My friend is coming for dinner.He is leaving for Beijing next week.能力提升能力提升1.Just a minute!My brother _ his car in the garden.A.washes B.is washing C.washedD

12、.will wash2.You .Dont talk on the phone.A.will drive B.are driving C.were driving D.have driven3.Who _ that piano?My sister,when she _time.A.plays;has B.is playing;has C.plays;is having D.is playing;has had4.Would you mind turning down the music?I _(write)a report now.5.Be quiet,please!The baby _(sl

13、eep)in the bedroom at the moment.6.I_(save)my money so I can buy a car.So am I.7.More and more people are worried about the serious air pollution because the number of family cars_(increase)all the time.am writing am writing is sleeping is sleeping am saving am saving is increasing is increasing 一般现

14、在时、现在进行时与一般过去时的比较一、意义不同：一、意义不同：一般现在时一般现在时、现在进行时现在进行时和一般过去时一般过去时等，它们都是指谓语动词的时态时态。什么是时态呢？在英语中，表示不同时间发生的动作或存在的状态，需用不同的动词形式，这种不同的动词形式称为时态。也可以简单地理解为：“时”就是谓语动词所发生的时间，“态”就是谓语动词所用的形态，例如：1、我经常打打篮球。I often playplay basketball.2、我正在打打篮球。I am playingam playing basketball now.3、我昨天下午打打篮球了。I playedplayed basketba

15、ll yesterday afternoon.二、时间状语（时间标志词）不同：二、时间状语（时间标志词）不同：1、一般现在时常与以下时间状语连用：always,usually,often,sometimes,seldom,hardly ever,never,on Sundays,once a week,in the morning/afternoon/evening 等2、现在进行时常与以下时间状语或特殊语境连用：now 现在，at the moment 此时，此刻,at this time 此时Look!看！Listen!听！Where is Maria?Maria在哪？Dont talk

16、here.别在这谈话。Its nine/ten.九/十点了。3、一般过去时常与以下时间状语连用：yesterday,last week(month,year),in 2012,three days ago，just now,the other day,always,often等三、谓语动词的形式不三、谓语动词的形式不同同:课堂练习课堂练习用所给单词的适当形式填用所给单词的适当形式填空空。1.He_ TV every evening.(watch)2.Tom,with his classmates,often _ football after school.(play)3.Your shoes

17、_ under the bed.(be)4.She always _ up at six in the morning.(get)5.John _ like his father.(look)6.Its nine oclock.My father _(work)in the office.7.-_he_(clean)the classroom?-No,he isnt.He_(play).8.Listen,who_(sing)in the music room?9.He _(live)in Wuxi two years ago.10.The cat _(eat)a bird last night

18、.11.We _(have)a party last Halloween.12.-Where is Make?-He_(run)on the grass.13.I _(make)a model ship with Mike yesterday.14.They _(play)chess in the classroom last PE lesson.15.Peter often_(watch)cartoons on Saturday.16.Her father _(read)a newspaper last night.17.He _(read)English every day.18.Did she _(have)supper at home?19.His uncle usually _ to work by bus.(go)20.It _(be)hot yesterday and most children _(be)outside(外面).书面表达书面表达 上周一你和你的同学在放学的路上把一位跌倒在地的老人送往了医院。请根据所给图片写一篇英语短文记录事件的全过程，并给出故事的结尾。要求：1、文章中不得出现真实的人名、校名。2、不少于80词，语言表达自然流畅，书写工整；故事结尾符合常理。3、参考词汇：救护车：an ambulanceLast Monday,_