六大基本时态

六大基本时态LOREMIPSUMDOLOR六大基本时态1.一般现在时2.现在进行时3.一般将来时4.一般过去时5.现在完成时6.过去完成时一般现在时一般现在时是运用比较广泛的时态之一。可以表示：1）经常习惯性的动作或者存在的状态：e.g.Iusuallygotoschoolonfoot.＊常见的时间状语：always,usually,often,sometimes,everyday,inthemorning,onMonday,onceamonth,etc.2）客观存在的真理：e.g.Themoonmovesroundtheearth.一般现在时3）有规律有安排的事情：e.g.Thebusleavesat8:00inthemorning.4）表示主语的特征，能力，爱好等：e.g.IlikewatchingTVandshelikesplayinggames.注意单三！否定，疑问变否定,疑问，助动词doIusuallygotoschoolonfoot.Idon'tusuallygotoschoolonfoot.Doyouusuallygotoschoolonfoot?划线部分提问Themoonmovesroundtheearth.Themoondoesn'tmoveroundtheearth.Doesthemoonmoveroundtheearth?现在进行时1.表示现在（说话的瞬间）正在进行或者发生的动作：e.g.Iamtalkingnow.2.表示现阶段正在进行或者发生的动作：e.g.Theyareworkingthesedays.3.某些动词的进行时表将来：常见的动词有：go,come,start,leave,stay,begin,etc.e.g.WeareleavingforLondonsoon.现在进行时注意下列这些动词一般不用于现在进行时态的句子中1.表示感觉的动词。如see,hear,etc2.表示喜欢或厌恶的动词。如like,love,hate,etc3.表示希望的动词。如want,wouldlike,etc进行时的结构为be+现在分词：一般在词尾+ing,e.g.jumping,looking,saying,etc以不发音的e结尾的词，去e+ing,e.g.have-having,hate-hating一般的辅音字母结尾，前面是单个元音的单词，双写+inge.g.sit-sitting,put-putting变否定，疑问Iamtalkingnow.IamnottalkingnowAreyoutalkingnow?TheyareworkingthesedaysTheyarenotworkingthesedaysAretheyworkingthesedays?划线部分提问一般将来时表将要发生的事情或存在的状态，以及计划打算做的事情。常见的时间状语：tomorrow,thisafternoon,nextyear,oneday,soon,inanhour,inthefuture,etc.1.will+动词原形，第一人称时will可以换为shalle.g.Shewillbebackinthreedays.Shallwegotothezoo?2.begoingto+动词原形e.g.Theyaregoingtocleantheclassroom.3.现在进行时表将来一般过去时表过去某时间发生的事情或者状态，可以是一次性,也可以经常发生（过去常常usedtodosth)1.过去具体时刻发生的一次性动作：e.g.Igotupat7o'clockthismorning.HecametoWuhanin2006.2.过去一个阶段经常发生的事情：e.g.Mr.Greenalwayswenttoplaybasketballwhenhewasyoung.3.描述回忆过去的事：e.g.ImetMarkinthestreet.一般过去时动词变过去时的规则：1.be动词：was,were2.一般在动词原形末尾+ed,e.g.work-worked,ask-asked3.以e结尾的动词+d,e.g.arrive-arrived,like-liked4.辅音字母结尾，双写+ed,e.g.shop-shoppped5.辅音字母+y结尾的单词，改y为i+ed,e.g.carry-carried,study-studied6.有些不规则变化，需要单独记忆:teach-taught,break-broke否定，疑问助动词didIgotupat7o'clockthismorning.Ididnotgetupat7o'clockthismorning.Didyougetupat7o'clockthismorning?HecametoWuhanin2006.HedidnotcometoWuhanin2006.DidhecometoWuhanin2006?划线部分提问现在完成时现在完成时的基本结构：Have/has+done现在完成时的两种功能：1.表过去某个时间点发生的动作对现在产生的影响e.g.Ihavefinishedmyhomework.2.表过去时间点发生的动作持续到现在或者还将持续下去e.g.IhavelearnedEnglishfortenyears.现在完成时不规则动词的过去式过去分词的变形四种：aaa/abb/aba/abcaaa类：cost-cost-costput-put-putabb类：bring-brought-broughtbuild-built-builtaba类：become-became-becomerun-ran-runabc类：break-broke-brokenswim-swan-swum现在完成时常见用于现在完成时的时间状语：since,for...Tomhasworkedinthecompanysince2006.yet,already...Haveyoufinishedyourhomeworkyet?ever,never...HaveyoueverbeentoBeijing?sofar,thesedays,inthetenyears...Wehaveplanted10treessofar.否定，疑问Ihavefinishedmyhomework.Ihavenotfinishedmyhomework.Haveyoufinishedmyhomeword?IhavelearnedEnglishfortenyears.IhavenotlearnedEnglishfortenyears.HaveyoulearnedEnglishfortenyears?划线部分提问过去完成时基本结构：had+done1.表：过去某一时间或动作之前已经发生或完成了的动作。即“过去的过去”e.g.Bynineo’clocklastnight,wehadgot200picturesfromstudents.2.表示由过去的某一时刻开始，一直延续到过去另一时间的动作或状态e.g.Ihadbeenatthebusstopfor20minuteswhenabusfinallycame.否定，疑问Bynineo’clocklastnight,wehadgot200picturesfromstudentsBynineo’clocklastnight,wehadnotgot200picturesfromstudentsBynineo’clocklastnight,hadwegot200picturesfromstudents?Ihadbeenatthebusstopfor20minuteswhenabusfinallycame.Ihadnotbeenatthebusstopfor20minuteswhenabusfinallycame.Hadyoubeenatthebusstopfor20minuteswhenabusfinallycame.划线部分提问练习1)I(be)ateacher2yearsago.2)He(be)astudentnow.3)He(do)hishomeworkathomeeveryday.4)They(join)thePartyin1998.5)We(noteat)applesyesterday.6)TheyjoinedthePartyin1990.(划线部分提问)7)IwenttoBeijinglastyear.8）Igotoworkat8:00everymorning请写出下列动词的过去式和过去分词变化形式：come---speak---work---live——do---go---finish---brush---fix---pass--watch---study---carry--cry---play---stay---