动词过去式变化规则(1)演示教学课件.ppt

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1、Conversation:Howaboutyourlastweekend?Whatdidyoudoduringtherestdays?一般一般过去过去时态时态什么是一般过去时？什么是一般过去时？动词的一般过去时态表示动词的一般过去时态表示过去发生的过去发生的动作、情况或存在的状态动作、情况或存在的状态。一般过去时态是通过一般过去时态是通过动词时态动词时态变化变化来表现的来表现的的的变化规则变化规则1、一般情况一般情况下在词尾直接加下在词尾直接加ed。如：如：playplayedworkworked一、规则动词的变化2、以以e e结尾结尾的动词只加的动词只加d.如：如：like-likedlov

2、e-loved规则动词词规则动词词-ed的读音的读音说明：说明：1 1、清念清念 /t/t/，即，即 ed ed 在清辅音后面念在清辅音后面念 /t/,/t/,例：例：finishfinisheded help helpeded pass passeded cook cookeded2 2、元浊元浊 /d/d/,即即 ed ed 在元音，浊辅音后面念在元音，浊辅音后面念 /d/,/d/,例：例：borrowborroweded enjoy enjoyeded call calleded mov moveded 3 3、/t/d/t/d/之后念之后念 /id/id/,即即 ed ed 在在 /t

3、/d/t/d/音后面念音后面念 /id/id/例：例：wantwanteded shout shouteded need neededed count counteded3、以、以“辅音字母辅音字母+y+y”结尾结尾的动词，的动词，变变y为为i，再加，再加ed.如：如：study(studied)carry(carried)4、以、以重读闭音节结尾重读闭音节结尾的动词，如的动词，如果果末尾只有一个辅音字母末尾只有一个辅音字母，要双，要双写最后这个辅音字母，再加写最后这个辅音字母，再加ed.如：如：stop(stopped)plan-(planned)如果重读在第一个音节处如果重读在第一个音节处

4、,不双写不双写加加ed.如如:visit-(visited)offer-(offered)washtheclothesrowaboatvisitgrandparentsanswerthephonecleantheroomwatertheflowerwatchTVplaythefootballclimbamountainreturnlearnchinesejump washedtheclothesrowedaboatvisitedgrandparentsansweredthephonecleanedtheroomwateredtheflowerwatchedTVplayedthefootball

5、climbedamountainreturnedlearnedchinesejumped 二、不规则动词的变化二、不规则动词的变化如：如：am/is-wasare-werebuy-boughthave-had1._ you _(remember)to buy the oranges yesterday?2.Who _(play)computer games yesterday.3.We _(go)to the cinema last night.The film _(be)very good.4.What time _ you _(get)to school this morning?5.Ji

6、m _(do)a lot yesterday.He _(go)shopping and _(cook)supper.Did remember played wentwas did get用动词的适当时态填空用动词的适当时态填空didwent cooked 6.He usually _(get)up at 6 in the morning.Look!He _(get)up now.But yesterday he _(get)up very late,so he _(go)to school late.He _(be)late for school.getsis gettinggotwentwa

7、sSeeyou!lastnightweekmonthMondayyesterdaymorningafternooneveningthe day before yesterday 用于一般过去时的时间状语用于一般过去时的时间状语1.与与last 连用连用2.与与yesterday 连用：连用：行为动词一般过去时的否定式行为动词一般过去时的否定式一般过去时的否定式是在动词原形一般过去时的否定式是在动词原形前加助动词前加助动词did not(didnt).主语主语+didnt+动词原形动词原形I _ them the news.I _(tell)them the news yesterday.did

8、nt telltold行为动词一般过去时的疑问式行为动词一般过去时的疑问式一般过去时的一般疑问式在句一般过去时的一般疑问式在句首加助动词首加助动词didDid+主语主语+动词原形动词原形？They _(finish)their work at four.一般疑问句一般疑问句:_ they _ their work at four?Yes,they _.No,they _.finishedDidfinishdiddidnt行为动词一般过去时的疑问式行为动词一般过去时的疑问式一般过去时的特殊疑问式一般过去时的特殊疑问式疑问词疑问词+did+主语主语+动词原形动词原形？They finished t

9、heir work at four.AB 对划线部分提问对划线部分提问A:B:What did they do at four?When did they finish their work?T注意注意1.外加助动词外加助动词did后后,动词须返回原形。动词须返回原形。Did he went to school yesterday?Did he go to school yesterday?F2.简略回答用助动词简略回答用助动词did/didnt代替代替行为动词。行为动词。Did he find the boy yesterday?Yes,he did.No,he did not(didnt)

10、.一般过去时一般过去时 :表示表示过去某个时间发生的过去某个时间发生的动作或存在的状态动作或存在的状态.标志词Yesterdayyesterdaymorningonedaylastyeartwodaysagoin1999句子结构肯定句肯定句否定句否定句疑问句疑问句1)主语主语+行为动词的行为动词的过去式过去式+其它其它.2)主语主语+be动词的动词的过去式过去式(was,were)+其它其它.3)Therewas/were+主语主语+其它其它.1)主语主语+didnt+行为动词行为动词原形原形+其它其它.2)主语主语+wasnt/werent+其它其它.3)Therewasnt/werent+主语主语.1)Did+主语主语+行为动词行为动词原形原形+其它其它?2)Was/were+主语主语+其它其它?3)Was/werethere+主语主语+其它其它?