《时态总复习》PPT课件.ppt

时态总复习,Revision for tenses,一般现在时,概念：经常发生的动作或存在的 状态。 结构:be(am,is,are)(状态) do/does (动作) 助动词用do/does(三单) 常用时间状语:,每天 经常 通常 everyday often usually 在早上/ 下午 / 傍晚 in the morning/afternoon/evening,一般现在时,在晚上 有时 at night sometimes/at times 在周日/周一 总是 on Sunday/Monday always,例 句,e.g. They do their homework. They dont do their homework. Do they do their homework? He does his homework. He doesnt do his homework. Does he do his homework?,现在进行时,概念：正在发生的动作。 结构: be (am/is/are) +doing 助动词 常用词: 现在 听 看 now listen look,一般过去时,概念：过去发生的动作或存在的状态。结构: was/were(状态), did(动作) 助动词用did (行为动词) 常用时间状语: 刚才 去年 在年 just now last year in 19/20,上个星期/ 月/ 学期 last week/month/term 在以前 今天早上 ago this morning 在以后 After/later e.g.Three days later we came back. Three days later we didnt come back.,一般将来时,概念：将要发生的动作。 结构: will + do /be going to do 助动词 (动词原形) be+doing（进行表示将来） 常用时间状语： 明年 不久 next year soon,下个星期/ 月/ 学期 next week/month/term 在未来 在之后 in the future in e.g. He will fly to Beijing in a week.,过去进行时,概念:过去某段时间正在发生的动作。 结构: be(was/were) + doing 助动词 常用时间状语: 当时候 在期间 when while ,在昨晚九点 at nine last night yesterday evening e.g. My mother was cooking when I got home.,现在完成时,概念：过去发生的动作和现在有联系。 结构: have/has + done (过去分词) 助动词 常用时间状语: 已经 还(没有) already(肯) yet(否,疑),曾经 从不 到目前为止 ever never so far 自以来 since/ever since 刚刚 在之前 just before (位于句尾),持续(一个月/两天) for (a month/two days),例 句,I have already kept the book for two weeks. I havent kept the book for two weeks yet. Have you kept the book for two week yet?,过去完成时,概念：过去的时间之前已经发生的动作。(过去的过去) 结构: had + done (过去分词) 助动词 常用时间状语: 到为止 by,(完成时)when(过去时) e.g. By the end of June they had planted three hundred trees. It had already stopped raining when I woke up.,过去将来时,结构: would+ do (动词原形) 助动词 常用在宾语从句 He told me that he would come to see me the next week. They never knew what would happen to the world in the future.,Exercises:,Make sentences using the given words. 1. play, Tom, games, computer, often, Tom often plays computer games.,2. help, Joe, repair, mother, radio,now, his, the, Joe is helping his mother repair the radio now. 3. leave, Beijing, for,morning, this, I, Chengdu,I left Chengdu for Beijing this morning. 4. catch, they, already,thief, of, one They had already caught one of the thieves.,5. Tim, yesterday, here, come, say, the next week, he Yesterday Tim said that he would come here the next week.,情态动词,情态动词：后面跟动词原型、没有人称和数的变化 can(能、会) I can swim. 否定: cant must(必须) I must finish my homework. 否定： neednt /dont have to have to(不得不) She has to help her mother sweep the floor. 否定：dont/doesnt have to,should (应该) You should eat a lot of healthy food. 否定: shouldnt may(也许) You may know him. 否定: cant,非限定性动词,do、to do、 doing 这三种形式叫非限定性动词.(都是固定搭配) 1. do: 听hear 观see/watch 感feel 使make 让let 帮help 请please 最好had better 不带to.这就是do的形式. e.g. I saw her (play) when I was eight.,play,Could you please (take) out the trash ? He often helps Tina (study) English. I think a good friend makes me (laugh).,take,study,laugh,to do,可以跟to do的动词有: start,begin,like would like, love, hate,want, wish ask,tell,show,desire,hope,promise decide,forget,remember,help,prefer, find out,agree,care, discuss,try,某些形容词后面也可以跟to do 如: kind,good,nice,wrong,right,rude Its important/necessary to do be sorry/happy/glad/pleased/sad/ surprised/worried/proud/lucky/ able/angry/easy/difficult/hard/ comfortable,doing,可以跟doing的动词有: finish,stop,enjoy practice,begin,start,love,like,hate prefer,keep(sb.),spend,mind, avoid continue, give up，go on,doing,固定词组有: be good at/do well in be busy, think of,be interested in have fun, have a good time,thank for, be fond of，what about, instead of, pay attention to, look forward to,die of keepfrom, preventfrom、get used to be in trouble, 所有的介词后面都要用doing,finish busy keep give up doing what about,have fun,后面是tion的单词,information(信息), invention(发明), pollution(污染),composition(作文), competition(竞赛), population(人口), Examination(考试、检查), position(位置),introduction(介绍), pronunciation(发音) instruction(说明) communication(沟通),operation(操作), conversation(交谈),translation(翻译),action(行为),relation(关系、亲属), education(教育)，invitation(邀请) suggestion(建议), condition