英语八大时态 讲解ppt课件.ppt

,动词的时态,动词的时态结构歌谣,一般现在时，动词用原型；,一般时,单数三人称，动词加“s” 。,一般过去时，动词加“ed”。,I work.,He works.,I worked.,现在进行时,进行时,例句：I am working.,过去进行时,am,is,are,-ing。,was,were,-ing。,例句：I was working.,将来时,一般将来时，,would加原型。,过去将来时，,will加原型。,I will work.,I would work.,完成时,现在完成时，,have/has加过分。,I have worked.,过去完成时，,had 加过分。,I had worked.,各种时态的用法,一、一般现在时,1.用法：A.现在经常性的动作或状态 B.客观事实和真理。2.标志词:always,usually,often, sometimes, never,every day /week /month/year/,1.The boy usually_(get) to school early.,gets,2.Light _(travel)faster than sound.,travels,Exercise,I often _(go) to school by bike.The earth _(go) around the sun.Sally _(help) her parents do the housework every Sunday.The Kings _(have) a big party once a year.,go,goes,have,helps,Grammar,概念: 一般过去时态： _。结构:标志语：,主语+ 动词过去式,yesterday、. ago、just now, in 1992，last week/month等表示过去的时间状语,表示过去发生的动作或存在的状态,Exercise,The twins _(wash) the clothes yesterday.Last Saturday afternoon he _ (play) basketball over there._ Sally _(sing) two hours ago?,washed,played,Grammar,表示的是现在正在发生的动作,概念:现在进行时态： 结构:标志语：,主语+ be (is, am, are) + doing,Look! 、 Listen! 、now， these days,注意,A.有几个瞬间动词可以用现在进行时表将来，如：begin,start,come,go,leave。,1.-Lucy! Would you like to give me a hand? -OK. I_. A.will comeB.come C.am comingD.would come,2.-When_you_for Toronto? -Tomorrow.,A.do;leaveB.are;leavingC.will;leavingD.shall;leave,Exercise,The twins _(wash) the clothes now.Look! He _ (play) basketball over there.Listen! _ Sally _(sing)?Cant you see the baby _(sleep)?My little brother _(cry)these days.,are washing,is playing,is sleeping,is crying,Grammar,概念: 过去进行时态： _。结构:标志语：,主语+be(was/were) doing,then, at eight yesterday ,at this/that time yesterday, when 、while,表示过去某一时刻或过去一段时间内正在进行的动作,Exercise,The twins _(wash) the clothes at 9:00 yesterday.He _ (play) basketball while his mother was cooking._ Sally _(sing) when you went to visit her?,were washing,was playing,五、一般将来时,1.用法：将来的动作或状态。2.结构：will shall be going to,3.标志词：tomorrow,the day after tomorrow,in three days,in (the) future,next week/month/term, from now on,+V.(原型),（第一人称）,4.shall/will/be going to之间的区别：,1,shall往往用于第一人称疑问句, will可用于任何人称。,Which paragraph shall I read first?,Where we meet tomorrow？A.shall B.will,六、过去将来时,1.用法：从过去看将要发生的动作。2.结构：would was/were/going to,+v.(原型),1.-What did he say yesterday? -He said he_to Sydney next week.A.goesB.will goC.would goD.are going 2.-Did your son fail his English exam once again? -Yes, but he told me he_hard next term.A.studiesB.is studyingC.will studyD.would study,试题：,Grammar,概念: 现在完成时态： _。结构:标志语：,主语+ have/has+过去分词,already, yet, so far, ever,Since/ for in the last/ past few years,表示过去发生的动作持续到现在，也许还要持续下去，或过去发生的动作对现在造成的影响或结果,3.现在完成时和一般过去时的异同点：共同点：动作都在过去。不同点：和现在有无关系。(与现在有关的过去动作用现在完成，与现在无关的过去动作用一般过去。)4.易错点：,1,2,1,have gone to+地点,表示“去了某地”。（人已走，尚未回。只用于第三人称。）They have gone to Europe.(They are not here.),have been to+地点,表示“去过某地”。（人已回）I have been to Europe.(I am not in Europe now.),3,have been in+地点+时间段,表示“在/来某地多久”。I have been in Europe for three weeks.(I am now still in Europe .),2,Exercise,The twins _(wash) the clothes for an hour.He _ (play) basketball since three years ago.How long _ Sally _(sing) yet?,have washed,has played,八、过去完成时,1.用法：发生在 过去的过去的动作。 They had got married when he came back.,got married came back,现在,过去,过去的过去,我来晚了！没希望了！,终于结婚了！好幸福呀！,现在完成时,2.标志词：,by the end of,by the time,when+一般过去时,过去完成时是一种相对存在的时态，判定时必须根据上下文找到一个可以作为参照点的过去时间，在此参照点前发生的动作都可以用过去完成时。,注意：,1.We_learning 1000 words by the end of last term.A.finishedB.have finishedC.had finishedD.finish2.The train_when we got to the station.A.leavesB.have left C.were leaving D.had left3.By the time he returned,his son_supper.A.cooks B.had cooked C.has cookedD.was cooking,1.What you _(see) just now?2.Tom (not play) the violin last night.3. We (go) to the park once a day.4.We ( have) a class meeting now.5. _ he (find) his bike yesterday?6.Lily _ ( not stay) at home sometimes.7. I (visit) Beijing two years ago.8. Mom asked me _ (go) to bed early.9. It took me 2 hours _(write) it.10. _ (be) your parents in Shanghai in 2000?11. I practice _( speak) English every day.12. Do you enjoy _ (live) in Weihai?13. I often watch my son _(play) Erhu.14. Its time for you _(get) up.,did see,didnt play,go,are having,Did find,doesnt stay,visited,to go,to write,Were,speaking,living,play,to get,1. Emilie _(take) the train to school every day.2.It takes about ten minutes _(walk) to school.3. _his grandpa_(die) two years ago?4.She _ (read) a book last week.5.She _(be) happy because she _ (find) her purse just now.6.He went to school _(get) his bag.7. Children _ (ride) bikes now.8.They _ (be) at home yesterday afternoon.9.She always _(wear) a red dress.,takes,to walk,Did die,read,was,found,to get,are riding,were,wears,1.When _ he usually _(practice) English? He usually _(practice) it in the morning.2. He _( not do) homework yesterday.3. What _ they _ (do) now? They _ (study) for the test.4. We _( not have) P.E. last week.5. Alice(be) very tired yesterday . She ( not have) a good rest .6.学生们通常怎么过周末的？ How do the students usually spend their weekends?,was,didnt have,does practice,practices,didnt do,are doing,are studying,didnt have,1.What _ you usually _(spend) your weekend?2.I like reading _. A. something interesting B. interesting something3. How many days are there in a w_?4.I have no idea,can you give me some s_?5.He _(call) me just now. I _(be) not at home.6.They are _(wait) for Mr Li.7.Where _ (be) you one hour ago? We _ (be) at school.8.What are you_? My bag. (寻找）9. I enjoy _ after supper. (散步）10. anything visited watched lived stayed,do spend,A,eek,uggestions,called,was,waiting,were,were,looking for,going for a walk,1.Lucy did her homework at home.（改否定句） Lucy _ _ her homework at home.2.His father worked all day last Monday.（疑问句） _his father _ all day last Monday? 3. I was very busy last week. （否定句和一般问句） I _ very busy last week. _ you very busy last week?4、There was some orange in the cup.（变疑问句) _ there _ orange in the cup?,didnt do,Did work,wasnt,Were,Was,any,Many thanks!,