一般过去时讲解PPT课件PPT推荐.ppt

1、He always went to work by bus last year.（含有频度副词：often always 等，但主要还是含有过去时间状语）.,.,3,1）与ago 连用：a momenttwo minutesthree hoursfive daysone weeksix monthsfour years,ago,2.一般过去时的判断标志：,.,4,last,timenightweekmonthtermMonday,yesterday,morningafternoonevening,the day before yesterday,2）与last 连用,3）与yesterday

2、连用：,.,5,4）与one 连用：,one,morningevening dayMonday afternoon,5）与that 连用：,that,morningwinterdayyear,.,6,just nowin the old daysin those daysin 1980the other dayat that timeonce upon a time,6）其他时间状语：,.,7,3、一般过去时的构成,.,8,所有时态都是通过动词变化来表现的,E.g.You are right.一般现在时 I want to go to school.We are doing our house

3、work now.正在 The bus is leaving at 8:00.进行 时,.,9,be动词（was,were）助动词（did）主语+谓语 情态动词（could,might）行为动词eg:playedeg：They were happy.He played football.You did your homework.,.,10,4、一般过去时句式变换,.,11,一般过去时态句式的构成陈述句式,进入下页,返回首页,.,12,一般过去时态句式的构成疑问句式,返回上页,返回首页,.,13,1.肯定句：主语+行为动词过去式 be动词过去式（was/were）e.g.We played f

4、ootball yesterday.I was in the office last night.He couldnt swim 10 years ago.2.否定句 did not/didnt+行为动词原形 was not/wasnt+其他成分 were not/werent+其他成分 e.g.I was not in the office last night.I didnt sing a song at Kangkangs party.I didnt play video games.,.,14,3.一般疑问句 did+主语+行为动词原形 was/were+主语+其他成分 eg.-Did

5、 you go shopping yesterday?-Yes,I did./No,I didnt.-Was she 15 years old last year?4.特殊疑问句 特殊疑问词+did+主语+行为动词原形 特殊疑问词+was/were+主语+其他成分 eg.-Did you go shopping yesterday?When and where were you born?,.,15,5、谓语变化,.,16,构成规则,例词,1.一般在动词原形末尾加-ed look looked play played start started2.结尾是 e 的动词加-d live lived

6、 hope hoped use used,3.末尾只有一个辅音字母的重读 闭音节词，先双写这个辅音字 母，再加-ed,stop stoppedplan plannedtrip tripped,4.结尾是“辅音字母+y”的动词，先变“y”为“i”再加-ed,study studiedcarry carried,规则动词过去式的构成,.,17,说明：1、清念/t/，即 ed 在清辅音后面念/t/,例：finished helped passed cooked,规则动词-ed的读音,.,18,元浊/d/,即 ed 在元音，浊辅音后面念/d/,例：borrowed enjoyed called mov

7、ed,.,19,、/t/d/之后念/id/,即 ed 在/t/d/音后面念/id/例：wanted shouted needed counted,.,20,grow-grewknow-knewthrow-threwblow-blewwrite-wrotedrive-drove ride-rodeget-gotforget-forgotlend-lentsend-sentspend-spentsay-said*/sed/pay-paidstand-stoodunderstand-understoodlet-let put-putcut-cut read-read*,am,is-was are-w

8、ere do-did go-went have-hadsee-sawcan-couldmay-mightdig-dugeat-atefind-foundmake-madehear-heardrun-rantake-tookhold-heldspeak-spokeleave-left,keep-keptsleep-sleptsweep-swepttell-toldsell-soldbegin-begansing-sangsit-satswim-swamring-ranggive-gave bring-broughtbuy-boughtthink-thoughtteach-taughtcatch-

9、caughtcome-came become-became,不规则动词的过去式,.,21,写出下列动词的过去式：,runborrowgrowwatchwritesmileopenbeginswimcarrystudyfinish,uselivewakekeepsaycleanbuyplaylearnseereadstop,gothinkbehappengivebecomegetrainstaypassanswer,wentthoughtwas/werehappenedgavebecamegotrainedstayedpassedanswered,usedlivedwokekeptsaidcle

10、anedboughtplayedlearnt/edsawreadstopped,ranborrowedgrewwatchedwrotesmiledopenedbeganswamcarriedstudiedfinished,.,22,巧记动词过去时态,动词一般过去时，表示过去发生事；be用was或用were,have,has变had；谓语动词过去式，过去时间坐标志；一般动词加-ed，若是特殊得硬记。否定句很简单，主语之后didnt添；疑问句也不难，did放在主语前；如果谓语之前有did，谓语动词需还原；动词若是was,were,否定就把not添。,返回上页,返回首页,.,23,6、Exercis

11、es,.,24,句型转换1They came to China in 1990.（变一般疑问句）_ they _ to China in 1990?2.I was ill for two days last week?（同上）_ you ill for two days last week?3.The twins go to school on foot every day.（同上）_ the twins _ to school on foot every day?4.She washed the clothes last Sunday.（变否定句）She _ _ the clothes la

12、st Sunday,Did,come,Were,Do,go,didnt,wash,.,25,5.She is going to go shopping tomorrow.（变否定句）_6.My mother likes her students.（变一般疑问句）_7.Do you watch TV on Sunday?（用last Sunday 改写成过去时态的句子）_8.Wei Hua bought a new pen yesterday.（变否定句）She _ _ a new pen yesterday.,She isnt going to go shopping tomorrow.,Do

13、es your mother like her students?,Did you watch TV last Sunday?,didnt,buy,.,26,I.改错题How is Jane yesterday?_He gets to school at six yesterday._He often goes home at 6:00 last month._I can fly kites seven years ago._Did you saw him just now._Tom wasnt watch TV last night._I did my homework later._He

14、wait for you three hours ago._ Who find it just now?_,was,got,went,could,see,didnt,will do（am going to do）,waited,found,.,27,一般过去时态练习用动词的过去式填空,1._ you _（remember）to buy the oranges?2.Who _（invent）the computer.3.We _（go）to the cinema last night.The film _（be）very good.4.What time _ you _（get）to schoo

15、l this morning?5.Jim _（do）a lot yesterday.He _（go）shopping and _（cook）supper.,返回练习,订正答案,.,28,PRACTISE,改写句子：1、Lucy did her homework at home.（改否定句）Lucy _ _ her homework at home.2、He found some meat in the fridge.（变一般疑问句）_ he _ _ meat in the fridge?3、She stayed there for a week.（对划线部分提问）_ _ _ she _ there?4、There was some orange in the cup.（变一般疑问句）_ there _ orange in the cup?,didnt do Did find any How long did stay Was any,Thats great,.,29,改写句子：,1.Lucy did her homework at home.（改否定句）Lucy _ _ her homework at home.,.,30,2.He found some meat in the fridge.（变一般疑问句）_ he _ _ meat in the