英语动词时态讲解(2018讲课)ppt课件.ppt
英语动词时态讲解,时态,定义： 在英语中，不同时间发生的动作要用不同的动词形式来表 示，这每一种不同的形式就叫做时态。,时态,一般现在时一般过去时一般将来时现在进行时现在完成时过去进行时过去将来时过去完成时,一般现在时,表示一般情况和经常发生的动作。时间状语为 every day ,often，always，usually, on Sundays, sometimes3. 结构,1.主语+be(am/is/are)+其他2.主语+实义动词原形/第三人称单数+其他,一般现在时,例句He_(go) to school on foot every day.,goes,注意：表示普遍真理、客观存在、科学事实用一般现在时。,例句：the moon _(move) around the earth.,moves,一般过去时,表示过去某个时间发生的动作或存在的状态。时间状语：Yesterday，just now, two days ago, last week,the day before yesterday 等3.结构：,1.主语+was/were+其他2.主语+实义动词过去式+其他,一般过去时,例句He _ (buy) a book yesterday.He_ (leave) here two days ago.,bought,left,一般将来时,意义：时间状语： 结构：例句I _ (visit) you tomorrow.He _ (not) come back next week.,表示将来某个时间将要发生的动作或存在的状态。,Next week，tomorrow，soon, in the future, the day after tomorrow,主语+will（shall） + 动词原型+其他主语+be going to +动词原形+其他,will visit,wont,现在进行时,意义：时间状语：结构：,表示正在发生的动作。,now /Look /Listen/at the moment,主语+ be动词动词ing构成,现在进行时,例句The boys _（play） now.Look! They _ (plant) trees.Listen! He _ (sing).,are playing,are planting,is singing,现在完成时,结构：意义：标志词：,主语+have（has）+ 过去分词 构成,表示过去发生或已经完成的动作，对现在造成的影响或结果,Already ,yet ,just ,ever ,so far , before,例句： He _ already _ (finish) his homework注意：表示动作不仅已经完成，还要持续（在这个用法当中，动词要用延续性动词） 时间状语： for+一段时间 since+时间点/一般过去时从句）He _(borrow ) the book for two days. I _ (teach)in this school since 1990.,has,finished,has kept,have taught,过去进行时,意义：时间状语结构：例句He _ (watch) TV at this time yesterday.,指在过去的某一个时间正在发生的动作。,at this time yesterday，at that time, at that moment ,at five oclock yesterday afternoon,主语+be（was/were）+动词ing形式,was watching,过去将来时,指对过去的某一个时间来讲，将要发生的动作。动词由would+动词原型构成。例句He said he would work hard next term.,过去完成时,指对过去的某一个时间来讲，已经发生的动作。动词由had+过去分词构成。例句she had borrowed a book before she went to the park.,做动词时态题的时候要注意以下几个方面:,1.慧眼识别标志词。,2.细心体会辨语境。,3.主从时态须呼应。,4.特殊情况记心中（主将从现，瞬延转换， when/while，现在进行时态表将来等）,中考链接,1.IknowalittleaboutThailand,becauseItherethreeyearsago.（2013，滨州） A.havebeen B.havegone C.willgo D.went,标志词汇,D,2.-Jimisntintheclassroom.Whereishenow? -Hethelibrary.(2014,滨州) A. willgoto B. hasbeento C. hasgoneto D. goesto,语境分析,C,3. I will take more exercise to keep healthy. I _(study) harder to be excellent at school.(2014, 东营),will study,主从呼应,4. Hesaidhe_allhismoneytothe poor peopleafterhedied.(2011,临沂) A.leavesB.left C.willleaveD.wouldleave,D,宾语从句（主现从具，主过从过）当主句是现在时态时，从句具体问题具体分析，当主句是过去时态时，从句也要用相应的过去时态。,5. -I wonder when you _ the new watch. -Well, I _ it for two weeks. （2014,随州 A. have bought; have had B. bought ; have bought C. bought ; have had D. have bought; have bought,瞬延转换：当有时间段时，瞬时动词要变为延续性动词。,C,6. -Doyouknowifhewillcometomorrow? -No, butifhe,Illcallyoutohavea mealtogether.（2014，滨州） A. willcome B. wontcome C. comes D. doesntcome,主将从现：条件状语从句和时间状语从句中，主句是将来时态，从句要用一般现在时态。,C,宾语从句：if是否,7. Sally took a photo of her friends while they _ the computer game. A. play B. are playing C. have played D. were playing8. The boy_ English on the radio when I _ his door.A. learned; was opening B. was learning; opened C. learned; opened D. is learning; open,过去进行时态常与when/while引导的时间状语从句连用，表示一个动作发生的时候，另一个动作正在发生。(习惯上,while后接过去进行时,when后接一般过去时态,前后都是过去进行时态则用while.),D,B,
