八大时态讲解.ppt

英英语八大八大时态八大基本八大基本时态 谓语动词形式形式1 一般一般现在在时 原形或三原形或三单2 现在在进行行时 am,is,are+现在分在分词3 一般一般过去去时 动词的的过去式去式4 过去去进行行时 was,were+现在分在分词5 现在完成在完成时 have/has+过去分去分词6 过去完成去完成时 had+过去分词过去分词7 一般将来一般将来时 will/be going to+动词原形原形8 过去将来去将来时 would 或或was/were going to+动词原形原形用法用法：常用时间状语常用时间状语：谓语动词谓语动词形式形式：1.一般现在时态一般现在时态(The Simple Present Tense)表示习惯性、经常性的动作或状态。表示习惯性、经常性的动作或状态。如：如：He goes to work every day.动词原形动词原形 /动词三单形式动词三单形式难点：动词的三单变化规则难点：动词的三单变化规则every day,always,usually,often,sometimes,on Sundays,three times a day 我一到达那儿，就会给你写信。我一到达那儿，就会给你写信。一般现在时的注意点一般现在时的注意点:1、表客观事实或普遍真理、表客观事实或普遍真理The earth _(go)round the sun.2、在在when,as soon as,until,after,before等到引导的时间状语从句和等到引导的时间状语从句和if 引导引导的条件状语的条件状语从句中从句中,用一般现在时表示将来用一般现在时表示将来.If it doesnt rain tomorrow,well go on a picnic.goes如果明天不下雨，我们将去野营。如果明天不下雨，我们将去野营。Ill write to you as soon as I get there.用法用法：常用时间状语常用时间状语：谓语动词谓语动词形式形式：2.一般过去时态一般过去时态(The Simple Past Tense)表示表示过去某个去某个时间发生的生的动作或存在作或存在的状的状态动词过去式去式yesterday,just now,last,this morning,ago,etc一般过去时的注意点一般过去时的注意点:1、当没有明显的时间状语时、当没有明显的时间状语时,描述几个相继发描述几个相继发生过的动作生过的动作I always got up too late,washed my face,had a quick breakfast and hurried to school.2、since从句中常用一般过去时从句中常用一般过去时You havent changed much since we last _(meet).met概念概念：常用时间状语常用时间状语：谓语动词谓语动词形式形式：表示将来某个表示将来某个时间要要发生的生的动作或存作或存在的状在的状态tomorrow,in three days，this,next,soon,etc.1.will/shall+do 1.will/shall+do 2.am/is/are going to+do2.am/is/are going to+do3.am/is/are +doing 3.am/is/are +doing 3.一般将来时态一般将来时态(The Simple Future Tense)一般将来时的注意点一般将来时的注意点:be going to 与 will/shall区别：be going to 指当前的、已计划过或思考过的意图和打算；如：I am going to listen to music.(我打算听音乐）will/shall 表示未事先思考或为计划过的意图 如：It will be Christmas soon.(很快就圣诞节了）4.现在进行时态现在进行时态(The Present Continuous Tense)概念概念：常用时间状语常用时间状语：表示现在或现阶段正在发生的动作表示现在或现阶段正在发生的动作now,listen,look,right now,these days,at this moment,etcam/is/are+现在分词谓语动词形式谓语动词形式：现在进行时现在进行时的注意点的注意点:2.2.表达状态、感表达状态、感表达状态、感表达状态、感 情和感觉的动词不能用情和感觉的动词不能用情和感觉的动词不能用情和感觉的动词不能用进行时。进行时。进行时。进行时。如：中如：中如：中如：中know,be,want,know,be,want,think,see,hear,like,hope,love,think,see,hear,like,hope,love,havehave 1.1.在表达时，切记不要忘了在表达时，切记不要忘了在表达时，切记不要忘了在表达时，切记不要忘了be be 动词。动词。动词。动词。am/is/are am/is/are+doing+doing概念概念：常用时间状语常用时间状语：谓语动词谓语动词形式形式：5.过去进行时态过去进行时态(The Past Continuous Tense)表示过去某一时刻或某一时间表示过去某一时刻或某一时间段正在发生的动作。段正在发生的动作。was/were+现在分词现在分词at this time yesterday,from seven to nine last night,at that moment,etc.过去进行时的注意点过去进行时的注意点:在在when,while引导的时间状语从句引导的时间状语从句中中,表示主从句中两个动作同时发生表示主从句中两个动作同时发生时时,用过去进行时表示用过去进行时表示 .1.When my father got home,I _ a letter to my friend.(2008宁波中考宁波中考)A.write B.am writing C.wrote D.was writing2._Jim was making a paper plane,his brother was doing homework.While较长的动作较长的动作概念概念：常用时间状语常用时间状语：谓语动词谓语动词形式形式：6.现在完成时态现在完成时态(The Present Perfect Tense)发生在过去且对现在仍有影响的动作发生在过去且对现在仍有影响的动作,强强调对现在的影响调对现在的影响.have/has+过去分词过去分词already,yet,never,ever,just,before,once,twice,for,since,so far,in the past few years,by now,etc 1).Tom _never_ to America2).-Is Tina at home?-Sorry,she _ Shanxi,and she _there for three days.现在完成时的注意点现在完成时的注意点:1.have been to,have been in 和和 have gone to 的区别的区别 has beenhas gone tohas been短短暂性性动词和持和持续性性动词*常见终止性动词：buy borrow arrive put on marry leave join die come go begin 译下列句子：译下列句子：、这本书他买了一年了、这本书他买了一年了 4、这本书他借了三天了。这本书他借了三天了。5、我们离开广州六年了。、我们离开广州六年了。He has bought this book for a year.He has had this book for a year.He has borrowed the pen for three days.He has kept the book for 3 days.We have lefthave left Guangzhou for 6 years.We have been away fromhave been away from Guangzhou for 6 years.短暂性动词不能跟表示一段时间的状语短暂性动词不能跟表示一段时间的状语连用连用,必须转变成持续性动词必须转变成持续性动词3.常常见句型句型1)主句主句(现在完成时现在完成时)+since 从句从句(一般过去时一般过去时).2）It is+一段时间一段时间+since 从句从句(一般过去时一般过去时).It is three days since they borrowed that book.It has been three days since they borrowed that book.*他们借那本书三天了。概念概念：常用时间状语常用时间状语：谓语动词谓语动词形式形式：7.7.过去完成时过去完成时:(The Past Perfect Tense):(The Past Perfect Tense)had +过去分词过去分词by the end of last year,by,by the end of last year,by,before+before+过去的时间点由过去的时间点；由when,before,when,before,after,by the time after,by the time 等引导的状语丛句中，等引导的状语丛句中，表示主句的动作发生在从句之前。表示主句的动作发生在从句之前。表示在过去某一时刻前已完成的表示在过去某一时刻前已完成的动作。也称动作。也称“过去的过去过去的过去”过去完成时的注意点过去完成时的注意点:用于用于宾词从句宾词从句中，当主句的谓语动词是一般过去中，当主句的谓语动词是一般过去时时时时,一定要注意宾语从句中的时态变化。一定要注意宾语从句中的时态变化。He said that he _the film many times.had seen概念概念：谓语动词谓语动词形式形式：8.8.过去将来时过去将来时:(The Past Future Tense):(The Past Future Tense)would +动词原形动词原形was/were going to+动词原形动词原形表示从过去某一时间看将要发生表示从过去某一时间看将要发生的动作或存在的状态。的动作或存在的状态。常用于宾语从句或间接引语中。常用于宾语从句或间接引语中。8.过去将来时：过去将来时：构成：构成：was/were going to+动词原形动词原形 （打算要）（打算要）was about to+动词原形动词原形（正要）（正要）英语的动词时态（一般）一般现在时：I work eight hours a day.She/Mary works eight hours a day.The sun rises in the east.一般过去时：Laura was born in London.Her parents came from Hong Kong.She started her education at a local school.一般将来时：We will have a test next month.He is going to buy her some flowers.一般过去将来时：He was sixty-eight.In two years he would be seventy.I knew you would agree.英语的动词时态（进行）现在进行时：What are you doing?Theyre getting married next month.过去进行时：Someone was following her.She was scared.He met the bride while he was studying in California.将来进行时：Ill be waiting for you outside.过去将来进行时：He said hed be waiting for me outside.英语的动词时态（完成）现在完成时：Ive lost my key.How long has he been ill?过去完成时：When I arrived Jane had just left.Tom was 23 when our story begins.His father had died five years before.将来完成时：We will have had our exam by September 20.过去将来完成时：He told them he would have finished by 9 oclock.英语的动词时态（完成进行）现在完成进行时：Obviously shes been crying.It has been snowing all night.The ground is covered with thick snow.过去完成进行时：Obviously shed been crying.It had been snowing all night.The ground was covered with thick snow.将来完成进行时：By the end of the year shell have been acting for twenty years.Summary:一般现在时：is/am/aredo;does;V-s/es一般过去时：was/were;did;V-ed.一般将来时：will+V.;Is/am/are+V.一般过去将来时：would+V.;was/were going to+V.现在进行时：is/am/are+V-ing过去进行时：was/were+V-ing将来进行时：will be+V-ing过去将来进行时：would be+V-ing现在完成时：has/have+V-ed过去完成时：had+V-ed将来完成时：will have+V-ed过去将来完成时：would have+V-ed现在完成进行时：has/have been+V-ing过去完成进行时：had been+V-ing将来完成进行时：will have been+V-ing