一般过去时讲解ppt课件

1、一般过去时,时态介绍 一般过去时结构 谓语变化 一般过去时用法 练习,目录,一般过去时介绍,1.定义： 一般过去时态表示过去某个时间发生的动作或存在的状态,常和表示过去的时间状语连用;也表示过去经常或反复发生的动作,常和表示频度的时间状语连用。 2.时间状语：yesterdaylast night in 1990two days ago 等 3.频度副词：oftenalways 等 例句:I got up at 7:00 yesterday. My father was at work yesterday afternoon. He always went to work by bus las

2、t year,1.与ago 连用： a moment 刚才 two minutes three hours five days one week six months four years,ago,用于一般过去时的时间状语,last,time上一次 night昨天晚上 week month term Monday,yesterday,morning afternoon evening,the day before yesterday前一天,2.与last 连用,3.与yesterday 连用,4.与one 连用,one,morning一天早晨 evening day Monday aftern

3、oon,5.与that 连用,that,morning那天早晨 winter day year,just now刚才 in those days in 1980 at that time once upon a time,6.其他时间状语,一般过去时的构成,所有时态都是通过动词变化来表现的,E.g. You are right. 一般现在时 I want to go to school. We are doing our housework now. 正在 The bus is leaving at 8:00. 进行 时,be动词(was,were) 助动词(did) 主语+谓语 情态动词(c

4、ould,might) 实义动词(有确切含义的动词，可 以单独做谓语,如:played 等) 例如： They were happy. He played football. You did your homework,谓语变化,1、一般词尾加-ed。 staystayed help - helped ask - asked looklooked 2、e结尾的只加-d。 hopehoped love - loved dance - danced livelived,规则动词过去式的构成,3、 辅音字母结尾词，重读闭音节先双写，然后才能加-ed。 stopstopped plan(计划) pla

5、nned drop - dropped beg 乞讨- begged 4、“辅音字母+y”尾，y改为i, 再加 -ed。 carry - carried study - studied,巧记不规则动词过去式 1.中间去e，末尾加t 如： keepkept， feelfelt， sleepslept，sweep打扫swept2.结尾d变t 如： build建造built，lendlent， sendsent，spend花钱spent3.遇见i改为a 如： ring铃响rang，sitsat， drinkdrank， singsang，swimswam，beginbegan， givegave,4

6、.“骑(马)”“开(车)”“写(字)”把i变o如：riderode，drivedrove，writewrote5.“想”“买”“带来”“打仗”ought换上thinkthought，buybought， bringbrought，fightfought6.“教书”“抓住”aught切莫忘 如：teachtaught，catch赶上caught7.ow/aw改为ew是新时尚 如： knowknew，growgrew， throwthrew，drawdrew8.“放”“让”“读”过去式与原形一样 如： putput，letlet，readread/red,grow种植 - grew know -

7、knew throw - threw blow - blew write - wrote drive - drove ride - rode get - got forget - forgot lend - lent send - sent spend - spent say - said */sed/ pay - paid stand - stood understand 懂- understood let - let put - put cut - cut read - read,am, is - was are - were do - did go - went have - had s

8、ee - saw can - could may - might dig挖 - dug eat - ate find - found make - made hear - heard run - ran take 拿- took hold 握住- held speak - spoke leave - left,keep阻止 - kept sleep - slept sweep - swept tell - told sell - sold begin - began sing - sang sit - sat swim - swam ring - rang give - gave bring

9、- brought buy - bought think - thought teach - taught catch - caught come - came become - became,不规则动词的过去式,写出下列动词的过去式,run borrow grow watch write smile open begin swim carry study finish,use live wake keep say clean buy play learn see read stop,go think be happen give become get rain stay pass answe

10、r,went thought was/ were happened gave became got rained stayed passed answered,used lived woke kept said cleaned bought played learnt/ed saw read stopped,ran borrowed grew watched wrote smiled opened began swam carried studied finished,一般过去时用法,1.在过去某一时间内发生的动作,He got home at ten oclock last night,2.

11、表示过去经常或反复发生的动作,常与often，always等表示频度的 间状语连用,I often got up very early at that time,用法,3.表示已故人所做的事情,Comrade Lei Feng did good deeds in his life. 雷锋同志做了一生的好事,4. 表示过去所发生的一系列的动作,而这一系列的动作是从现在的角度来考虑的,不是从动作相互之间的关系这一角度来考虑的,Miss Liu got up at seven oclock this morning, dressed, had breakfast, and went to work,

12、一般过去时句式变换,1.肯定句：主语 + 行为动词过去式(ed) be动词过去式(was / were) e.g. We played football yesterday. I was in the office last night. He couldnt swim 10 years ago. 2.否定句 主语 +did not / didnt + 行为动词原形 was not / wasnt + 其他成分 were not / werent + 其他成分 e.g. I was not in the office last night. I didnt sing a song at Kan

13、gkangs party. I didnt play video games,3. 一般疑问句 did + 主语 +行为动词原形? was / were + 主语 +其他成分? eg. - Did you go shopping yesterday? -Yes, I did. / No, I didnt. -Was she 15 years old last year? 4. 特殊疑问句 特殊疑问词 +did + 主语 +行为动词原形? 特殊疑问词 +was / were + 主语 +其他成分? eg. - Did you go shopping yesterday? When and whe

14、re were you born,III.句型转换 They came to China in 1990.(变一般疑问句) _ they _ to China in 1990? 2.I was ill for two days last week. (同上) _ you ill for two days last week? 3. The twins go to school on foot every day. (同上) _ the twins _ to school on foot every day? 4.She washed the clothes last Sunday. ( 变否定

15、句) She _ _ the clothes last Sunday,Did,come,Were,Do,go,didnt,wash,5. She is going to go shopping tomorrow. (变否定句) _ 6. My mother likes her students. (变一般疑问句) _ 7. Do you watch TV on Sunday? (用last Sunday 改写成过去时态的句子) _ 8. Wei Hua bought a new pen yesterday. (变否定句) She _ _ a new pen yesterday,She isnt

16、 going to go shopping tomorrow,Does your mother like her students,Did you watch TV last Sunday,didnt,buy,Exercises,用括号里动词的适当形式填空。 1. He _ (read) that book last week. 2. Last night he _ (arrive) just in time for the show. 3. Mary _ (marry) Thomas yesterday. 4. Tom _ (show) us where to sit at the meet

17、ing yesterday. 5. Last summer we _ (visit) Uncle Jack. 6. It _ (rain) almost every day last month. 7. John _ (like) to play piano when he was in secondary school. 8. Betty _ (work) hard all last year. 9. We _ (change) the color of our uniforms last Christmas. 10. Last year Frances _ (buy) her mother

18、 a pretty watch for her birthday,read,arrived,married,showed,visited,rained,liked,worked,changed,bought,11. They _ (not watch) TV just now. 12. They _ (carry) water for Grandpa Liu three days ago. 13. Mike and Jack _ (make) the model plane last month. 14. _ your friends _ (have) a good time in the p

19、ark that day? 15. My father _ (go) to Beijing a week ago. 16. _ Mary _ (study) at the No. 1 Middle School the year before last? 17. His parents _ (not go) out for a walk after supper yesterday. 18. Where _ (be) Mei Fang last night,didnt watch,carried,made,Did,have,went,Did,study,didnt go,was,I.改错题 H

20、ow is Jane yesterday? _ He gets to school at six yesterday. _ He often goes home at 6:00 last month. _ I can fly kites seven years ago. _ Did you saw him just now. _ Tom wasnt watch TV last night. _ I did my homework later . _ He wait for you three hours ago. _ Who find it just now ? _,was,got,went,could,see,didnt,will do(am going to do,waited,found,根据要求改写下列句子。 1. They had a meeting yesterday. (改为一般疑问句) 2.