一般過去時學習課件.ppt

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,,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,知識結(jié)構(gòu),一般過去時,,,,,構(gòu)成,用法,常用時間,,,,動詞的過去式,1.表示過去某個時 間發(fā)生的動作或 存在的狀態(tài)。 2.表示過去經(jīng)?；?反復發(fā)生的動作。,yesterday last night in 1990 two days ago,動詞過去式 的構(gòu)成,規(guī)則動詞,不規(guī)則動詞,,構(gòu)成,讀音,,用法,構(gòu)成規(guī)則,例詞,1. 一般在動詞原形末尾加-ed look looked play played start started 2. 結(jié)尾是 e 的動詞加 -d live lived hope hoped use used,3. 末尾只有一個輔音字母的重讀 閉音節(jié)詞，先雙寫這個輔音字 母，再加-ed,,stop stopped plan planned trip tripped,4. 結(jié)尾是“輔音字母+y”的動詞， 先變“y”為“i”再加-ed,study studied carry carried,規(guī)則動詞過去式的構(gòu)成,清念 /t/ ，即 ed 在清輔音后面念 /t/ 例：finished helped passed cooked,元濁 /d/ ,即 ed 在元音，濁輔音后面念 /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/ ,元濁/d/ ; /t/ /d/ 之后念/id/,不規(guī)則動詞表,Infinitive Past tense am is was are were begin begun break broke bring brought build built buy bought can could,Infinitive Past tense catch caught come came do did draw drew drink drank drive drove eat ate fall fell,用 法,1.表示過去某個時間發(fā)生的動作或存在的狀態(tài)。 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.表示過去經(jīng)常或反復發(fā)生的動作。 My father often went to work by bus last year. When I was a child, I often listened to music.,行為動詞一般過去時的否定式,一般過去時的否定式是在動詞原形前加助動詞did not (didn’t).,主語+didn’t+動詞原形,I _________ them the news.,I ____ (tell) them the news yesterday.,,didn’t tell,told,行為動詞一般過去時的疑問式,一般過去時的一般疑問式在句首加助動詞did,Did+主語+動詞原形……？,They ______ (finish) their work at four. 一般疑問句:,____ they _____ their work at four? Yes, they _____. No, they _____.,finished,Did,finish,did,didn’t,行為動詞一般過去時的疑問式,一般過去時的特殊疑問式,疑問詞+did+主語+動詞原形……？,They finished their work at four.,A,B,對劃線部分提問,What did they do at four?,When did they finish their work?,T,注意,1.外加助動詞did后,動詞須返回原形。,Did he went to school yesterday? Did he go to school yesterday?,F,2.簡略回答用助動詞did/didn’t代替行為動詞。,Did he find the boy yesterday? －Yes, he did. －No, he did not (didn’t).,巧記動詞過去時態(tài),動詞一般過去時，表示過去發(fā)生事； be用was或用were, have,has變had； 謂語動詞過去式，過去時間坐標志； 一般動詞加-ed，若是特殊得硬記。 否定句很簡單，主語之后didn’t添； 疑問句也不難，did放在主語前； 如果謂語之前有did，謂語動詞需還原； 動詞若是was,were,否定就把not添。,PRACTISE,改寫句子： 1、Lucy did her homework at home.（改否定句） Lucy _______ _______ her homework at home. 2、He found some meat in the fridge.（變一般疑問句) ______ he _____ ______ meat in the fridge? 3、She stayed there for a week.（對劃線部分提問） ______ ______ _____ she _____ there? 4、There was some orange in the cup.（變一般疑問句) _____ there _____ orange in the cup?,didn’t do Did find any How long did stay Was any,That’s great√,Bill’s weekend,On Saturday morning, he….,巧手變句型,1、Lucy did her homework at home.（改否定句） Lucy _______ _______ her homework at home. 2、His father worked all day last Monday.（改一般疑問句） ______his father ________ all day last Monday? 3、 I was very busy last week. （改否定句和一般疑問句） I ________ very busy last week. _____ you very busy last week? 4、There was some orange in the cup.（變一般疑問句) _____ there _____ orange in the cup?,didn’t do,That’s great√,Did work,wasn’t,Were,Was,any,start a conversation with Rahul ?,,改頭換面（句式變化）,按要求改寫句子。 He found a book in the room. 否定：_____________________________ 一般疑問句： _____________________________ 特殊疑問句 （對a book 提問）_____________________________,He didn’t find a book in the room.,Did he find a book in the room?,What did he find in the room?,Thank you ！,