动词过去式变化规则1演示教学课件.ppt

1、Conversation:How about your last weekend?What did you do during the rest days?一般一般过去过去时态时态动词的一般过去时态表示动词的一般过去时态表示。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：play played work worked 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-liked love-loved轻读轻读/t/,重读重读/d/;/t/d/之后读之后读/id/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

2、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/d/t/d/音后面念音后面念 /id/id/例：例：wantwanteded shout shout

3、eded 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,不双写不双写加加ed.如如:visit-(visited)offer-(offered)wash

4、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 learn chinese jump washed the clothes rowed a boat visited grandparents answered the phone cleaned the room watered the flower watched TV played the football

5、climbed a mountain returned learned chinese jumped 二、不规则动词的变化二、不规则动词的变化如：如：am/is-was are-were buy-bought have-had _ 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 morn

6、ing?5.Jim _(do)a lot yesterday.He _(go)shopping and _(cook)supper.Did remember played wentwas did getdidwent 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 gettinggotwentwaslastnightwe

7、ekmonthMondaymorningafternooneveningthe day before yesterday 1.与与 连用连用2.与与 连用：连用：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主语主语+didnt+动词原形动词原形I _ them the news.I _(tell)them the news yesterday.didnt telltold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didThey _(finish)their work at four.一般疑问句一般疑问句:Yes,they _.N

8、o,they _.一般过去时的特殊疑问式一般过去时的特殊疑问式They finished their work at four.ABWhat did they do at four?When did they finish their work?1.外加助动词外加助动词后后,动词须返回原形。动词须返回原形。he to school yesterday?he to school yesterday?2.简略回答用助动词简略回答用助动词代替代替行为动词。行为动词。he the boy yesterday?Yes,he.No,he 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

9、动作或存在的状态动作或存在的状态.标志词Yesterday yesterday morning one day last year two days ago in 1999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)There was/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)There wasnt/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/were there+主语主语+其它其它?