动词过去式变化规则课件市公开课获奖课件

1、Conversation:How about your last weekend?What did you do during the rest days?第1页第1页普通过去时态第2页第2页什么是普通过去时？动词普通过去时态表示过去发生动作、情况或存在状态。普通过去时态是通过动词时态改变来表现第3页第3页 改变规则动词过去式 第4页第4页1、 普通情况下在词尾直接加ed。 如：play played work worked 一、规则动词改变第5页第5页2、以e结尾动词只加d. 如：like - liked love - loved第6页第6页轻读 /t/ ,重读/d/ ; /t/ /d/ 之

2、后读/id/规则动词词-ed读音阐明：1、清念 /t/ ，即 ed 在清辅音后面念 /t/ , 例：finished helped passed cooked2、元浊 /d/ ,即 ed 在元音，浊辅音后面念 /d/ , 例：borrowed enjoyed called moved 3、/t/ /d/ 之后念 /id/ , 即 ed 在 /t/ /d/ 音后面念 /id/ 例：wanted shouted needed counted第7页第7页3、以“辅音字母+y”结尾动词， 变y为i，再加ed. 如：study (studied ) carry(carried )第8页第8页4、以重读闭

3、音节结尾动词，假如末尾只有一个辅音字母，要双写最后这个辅音字母，再加ed. 如：stop (stopped ) plan- (planned ) 第9页第9页第10页第10页假如重读在第一个音节处,不双写加ed.如:visit-( visited ) offer-(offered )第11页第11页 wash the clothes row a boat visit grandparents answer the phone clean the room water the flower watch TV play the football climb a mountain return le

4、arn chinese jump 第12页第12页 washed the clothes rowed a boat visited grandparents answered the phone cleaned the room watered the flower watched TV played the football climbed a mountain returned learned chinese jumped 第13页第13页二、不规则动词改变如：am / is - was are - were buy - bought have - had第14页第14页_ you _ (

5、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.Jim _ (do) a lot yesterday. He _ (go) shopping and _ (cook) supper. Did remember played wentwas did get用动词

6、适当初态填空didwent cooked 第15页第15页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 gettinggotwentwas第16页第16页See you!第17页第17页lastnightweekmonthMondayyesterdaymorningafternooneveningth

7、e day before yesterday 用于普通过去时时间状语1.与last 连用2.与yesterday 连用：第18页第18页行为动词普通过去时否认式普通过去时否认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 telltold第19页第19页行为动词普通过去时疑问式普通过去时普通疑问式在句首加助动词didDid+主语+动词原形？They _(finish) their work at four.普通疑问句:_ they _ thei

8、r work at four?Yes, they _. No, they _.finishedDidfinishdiddidnt第20页第20页行为动词普通过去时疑问式普通过去时特殊疑问式疑问词+did+主语+动词原形？They finished their work at four.AB 对划线部分提问A:B:What did they do at four?When did they finish their work?第21页第21页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 yes

9、terday?F2.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).第22页第22页Grammar Focus普通过去时 :表示过去某个时间发生动作或存在状态.标志词Yesterday yesterday morning one day last year two days ago in 1999句子结构必定句否认句疑问句1) 主语+ 行为动词过去式 +其它 .2) 主语 + be动词过去式(was,were) +其它 .3) There was /were +主语 +其它 .1)主语+didnt