一般过去时学习ppt课件.ppt

,The Simple Past Tense,I watch TV,I watched TV,She has eggs and bread,She had eggs and bread,Jay gives a concert,Jay gave a concert,比一比,everyday,last night,every morning,yesterday morning,every month,last month,知识结构,一般过去时,构成,用法,常用时间,动词的过去式,1.表示过去某个时 间发生的动作或存在的状态。2.表示过去经常或 反复发生的动作。,yesterdaylast nightin 1990two days ago,动词过去式的构成,规则动词,不规则动词,构成,读音,用法,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 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,清念 /t/ ，即 ed 在清辅音后面念 /t/ 例：finished helped passed cooked,元浊 /d/ ,即 ed 在元音，浊辅音后面念 /d/ 例：borrowed enjoyed called moved,/t/ /d/ 之后念 /id/ , 即 ed 在 /t/ /d/ 音后面念 /id/例：wanted shouted needed counted,注意啦！,清念 /t/ ,元浊/d/ ; /t/ /d/ 之后念/id/,不规则动词表,Infinitive Past tenseam is wasare werebegin begunbreak brokebring broughtbuild builtbuy boughtcan could,Infinitive Past tensecatch caughtcome camedo diddraw drewdrink drankdrive droveeat atefall fell,用 法,1.表示过去某个时间发生的动作或存在的状态。 He was here yesterday. I got up at six thirty yesterday morning. My father was at work yesterday afternoon. Did you have a good time last summer?,2.表示过去经常或反复发生的动作。 My father often went to work by bus last year. When I was a child, I often listened to music.,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前加助动词did not (didnt).,主语+didnt+动词原形,I _ them the news.,I _ (tell) them the news yesterday.,didnt tell,told,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首加助动词did,Did+主语+动词原形？,They _ (finish) their work at four.一般疑问句:,_ they _ their work at four?Yes, they _. No, they _.,finished,Did,finish,did,didnt,行为动词一般过去时的疑问式,一般过去时的特殊疑问式,疑问词+did+主语+动词原形？,They finished their work at four.,A,B,对划线部分提问,What did they do at four?,When did they finish their work?,T,注意,1.外加助动词did后,动词须返回原形。,Did he went to school yesterday?Did he go to school yesterday?,F,2.简略回答用助动词did/didnt代替行为动词。,Did he find the boy yesterday?Yes, he did.No, he did not (didnt).,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。,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,Bills weekend,On Saturday morning, he.,巧手变句型,1、Lucy did her homework at home.（改否定句） Lucy _ _ her homework at home.2、His father worked all day last Monday.（改一般疑问句） _his father _ all day last Monday? 3、 I was very busy last week. （改否定句和一般疑问句） I _ very busy last week. _ you very busy last week?4、There was some orange in the cup.（变一般疑问句) _ there _ orange in the cup?,didnt do,Thats great,Did work,wasnt,Were,Was,any,start a conversation with Rahul ?,改头换面（句式变化）,按要求改写句子。He found a book in the room.否定：_一般疑问句： _特殊疑问句 （对a book 提问）_,He didnt find a book in the room.,Did he find a book in the room?,What did he find in the room?,Thank you ！,