英语三大时态总结.pptx

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1、七种时态汇总：1.一般现在时2.现在进行时3.一般将来时4.一般过去式5.过去进行时6.现在完成时第1页/共29页 在英语中，不同时间发生的动作或存在的状态要用不同的动词形式来表现。每种时态的概念、信息词、每种时态的概念、信息词、结构、句式变化、以及某些时态结构、句式变化、以及某些时态间的相互区别间的相互区别重点掌握重点掌握时态时态Tense第2页/共29页时态现在进行时：一般现在时：一般过去时：现在正在现在正在进行进行的动作的动作 经常经常或或习惯性习惯性的动的动作或存在的状态。作或存在的状态。过去过去某个时间或时间段发某个时间或时间段发生的动作或存在的状态。生的动作或存在的状态。(The

2、Present Continuous Tense)(The Simple Present Tense)(The Simple Past Tense)第3页/共29页1.现在进行时 用法：说话时正在进行的动作或当 前一段时间正在进行的动作常用时间状语：now,these days动词构成：am/is/are+现在分词(-ing)am/is/are working否定构成：am/is/are+not+现在分词 第4页/共29页For example:1.Now we are living in the new neighbourhood.2.Tom is playing football on t

3、he playground.第5页/共29页一般疑问构成及简答：Am/Is/Are+主语+现在分词+其它？Yes,I am(he is.)/No,they arent特殊疑问举例：What are you doing now?Who is flying a kite there?第6页/共29页用法：过去时间发生的或过去经常性的动作常用时间状语：yesterday,last night,two days ago,in 2000,at that time,before liberation，when 等引导的含过去时的句子。动词构成：动词过去时（-ed）worked 否定构成：didnt+动原

4、didnt work 一般疑问构成及简答举例：Did+主语+动原+其它？Yes,主语+did./No,主语+didnt.2、一般过去时第7页/共29页For example:1.We went to the cinema yesterday.2.When we lived in the city centre,we got up late and walked to school.第8页/共29页一般疑问构成及简答举例：Did+主语+动原+其它？特殊疑问句举例：What did he do yesterday?When did he get up this morning?备注：He has

5、opened the door.（表示过去“开门”的动作对现在的影响是门还开着）He opened the door.(不能确定门现在是否开着)第9页/共29页各时态常用的信息词现在进行时：一般现在时:一般过去时:now,Look!Listen!at this time Where is?Dont talk!Its 8:00am.always,usually,often,sometimes,seldom,never,every day,every,three times a day last night,last,two days ago,ago,in 1999,in+过去的年份,just n

6、ow=a moment ago,yesterday,yesterday morning 第10页/共29页改一般疑问句的方法：改否定句的方法：首先看有无be动词，如果有，将be提到句首并大写，句末打问号.如果没有be动词，看原句的动词形式来决定借用助动词do/does/did,并且行为动词要还原。V-原形V-s/esV-ed(过去式)+动词原形?以此类推首先看有无be动词，如果有，在be 动词后面加not.如果没有be 动词，看原句的动词形式来决定借用助动词do/does/did,并在后面加not,并且行为动词要还原。主语+dont/doesnt/didnt+动词原形DoDoesDid第11页

7、/共29页现在分词 的构成：动词第三人称单数的构成：过去式的构成：直接加-ing.重读辅元辅，双写尾字母加-ing.以e 结尾去e加-ing.直接加-s.以s,x,ch,sh,o结尾加-es.以“辅音+y“结尾变y 为i再加-es.直接加-ed.以e结尾只加d.重读辅元辅，双写尾字母再加-ed.以“辅音+y”结尾变y 为i 再加-ed.第12页/共29页 对对比比时态时态动词形式动词形式否定句否定句一般问句一般问句现在进现在进行时行时 一般现一般现在时在时一般过一般过去时去时表格对比学习表格对比学习be+v-ing(现在分词）在be 后加上not Be提到句首V-原形V-三人单在行为v.前借用

8、do,does后加not，行为动词还原Do,Does 提到句首，行为动词还原V-ed(过去式）在行为v.前借用did后加not，行为动词还原Did 提到句首，行为动词还原第13页/共29页判断时态形式：1.He always likes playing the piano.()2.We are having an English classes now.()3.They often go home late.()4.Lucy danced the disco at the party last night.()5.I liked go to the zoo when I was young.(

9、)6.My teacher is friendly to us.()7.Look!They are playing football.()8.She was born in 1990.()9.I lost much money last night.（）A.现在进行时B.一般现在时C.一般过去时第14页/共29页 have-look-begin-use-shop-get-dance-study-现在分词第三人称单数过去式study-finish-have-go-do-play-watch-give-need-stop-hope-play-try-plan-visit-like-having l

10、ooking beginning using shopping getting dancing studying studies finishes has goes does plays watches gives needed stopped hoped played tried planned visited liked第15页/共29页1.He is a teacher.2.Kangkang comes from China.3.I usually take the bus to work.4.They are having classes.5.Jane played the guita

11、r last night.先（一般疑问句）再（否定句）句句型型变变化化操操练练第16页/共29页用所给动词的适当形式填空。用所给动词的适当形式填空。1.Listen!Mary _ (sing)now.2.A young man _(run)on the playground now.3.My mother _(watch)TV play every day.4.Old Bush _(visit)China again last month.5.I _(play)sports three times a day.6.Look!Lucy and Lily _(read)books.7.There

12、_(is)a football match yesterday afternoon.8.Our class _(go)to the zoo three days ago.第17页/共29页判断下列信息词是属于哪种时态 last night now every day Look!yesterday often Listen!two years ago alwaysin 1897 three times a week 一般现在时一般过去时现在进行时第18页/共29页过去式的不规则变化过去式的不规则变化 blow-buy-can-come-do-eat-fall-find-forget-get-gi

13、ve-go-have-know-learn-make-meet-read-run-say-see-send-sit-take-think-will-tell-begin-teach-catch-blew bought could came did ate fell found forgot got gave went had knew learnt made met read ran said saw sent sat took thought would told began taught caught 第19页/共29页用法：过去时间发生的或过去经常性的动作常用时间状语：yesterday

14、,last night,two days ago,in 2000,at that time,before liberation，when 等引导的含 过去时的句子。动词构成：动词过去时（-ed）worked work否定构成：didnt+动原 didnt work 一般疑问构成及简答举例：Did+主语+动原+其它？Yes,主语+did./No,主语+didnt.第20页/共29页For example:1.We went to the cinema yesterday.2.When we lived in the city centre,we got up late and walked to

15、 school.第21页/共29页一般疑问构成及简答举例：Did+主语+动原+其它？特殊疑问句举例：What did he do yesterday?When did he get up this morning?备注：He has opened the door.（表示过去“开门”的动作对现在的影响是门还开着）He opened the door.(不能确定门现在是否开着)第22页/共29页用法：过去某一时刻或某一段时间内正在发生 的动作常用时间状语：at this time yesterday,at that time,at ten oclock yesterday或when引导的从句动词

16、构成：was/were+现在分词(-ing)以work为例：was/were working否定构成：was/were not+现在分词第23页/共29页一般疑问构成及简答举例:Was/Were+主语+现在分词+其它？Yes,I was /No,I wasnt特殊疑问句举例：What were you dong this time yesterday?Where was he standing when the teacher came in?第24页/共29页用法:1、发生在过去的动作且对现在仍有影响的动作，强调对现在的影响.2、从过去一直延续到现在的动作常用时间状语：already,jus

17、t,never,before,recently,in the past few years,ever,so far,since+过去的点时间,for+段时间动词构成：have/has+过去分词(-ed)have/has worked否定构成：have/has not+过去分词(-ed)第25页/共29页For example:1.Kitty has just moved to Water Bay.2.I have already finished my homework.3.His mother hasnt promised to buy him a present.第26页/共29页一般疑问构成：Have/Has+主语+过去分词?特殊疑问句举例：What have you done recently?How long has he lived in Beijing?备注：暂时性动词不能与for,since,How long等表示段时间 的短语同时使用。I have borrowed the book for three days.(错）I borrowed the book three days ago.第27页/共29页第28页/共29页感谢您的观看！第29页/共29页