动词时态讲解.doc

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动词时态讲解
一般现在时：1.概念：表示经常或习惯性的动作或者叙述现在的事实，以及客观事实或客观真理。
2.时间状语：always,usually,often,sometimes,everyweek(day,year,month...),onceaweek,onSundays,3.基本结构：
be动词：主语+be(am,is,are)+其它。例如：Iamaboy.
行为动词（实义动词）：主语+实义动词+其它。如：WestudyEnglisheveryday.
注意：当主语为第三人称单数（he,she,it）时，要在动词后加＂-s＂或＂-es＂，如：MarylikesChinese.
否定形式：am/is/are+not;此时态的谓语动词若为行为动词，则在其前加don’t,如主语为第三人称单数，则用doesn’t，通常还原行为动词。5.一般疑问句：把be动词放于句首；用助动词do提问，如主语为第三人称单数，则用does，同时还原行为动词。6.例句：Itseldomsnowshere.Actionspeakslouderthanwords.
【配套练习】
()Planningsofarahead______nosense---somanythingswillhavechangedbynextyear.
A.madeB.ismakingC.makesD.hasmade
2.()Wewillgoshoppingifit____tomorrow.A.don'trainB.didn'trainC.doesn'trainD.isn'train3.()Hesaidthesun____intheeastand____inthewest.A.rose;setB.rises;setsC.rises,setD.rise;sets4.()WangMei____musicandoften____tomusic.A.like;listenB.likes;listens
C.like;arelisteningD.liking;listen5.()Twoplusthree_____five.
A.isB.areC.wasD.were
()Theteachertoldusthatlight_____fasterthansound.
A.traveledB.hadtraveledC.istravelingD.travels
()LookattheprideonTom’sface.He_______tohavebeenpraisedbythemanagerjustnow.
A.seemedB.seemsC.hadseemedD.isseeming

一般过去时：1.概念：过去某时间内发生的事或存在的状态或过去习惯性、经常性的动作、行为。
2.时间状语：
yesterday或以其构成的短语：yesterdaymorning(afternoon,evening)等；
由“last+一时间名词”构成的短语：lastnight,lastyear(winter,month,week)等；
由“时间段+ago”构成的短语：amomentago,anhourago等；
其它：justnow,thedaybeforeyesterday,in1989,attheageof5,oneday,longlongago,onceuponatime,etc.等3.基本结构：主语+动词过去式+其它
否定形式：was/were+not;在行为动词前加didn’t，同时还原行为动词。5.一般疑问句：was或were放于句首；用助动词do的过去式did提问，同时还原行为动词。6.例句：Sheoftencametohelpusinthosedays.Ididn’tknowyouweresobusy.【配套练习】
1.()Myfather_____illyesterday．A.isn'tB.aren'tC.wasn'tD.weren't
2.()_____yourparentsathomelastweek﹖A.IsB.WasC.AreD.Were3.()Thetwins______inDalianlastyear．They______herenow．
A.are;wereB.were;areC.was;areD.were;was4.()_____yourfatheratworktheday______yesterday(前天）﹖A.Was;beforeB.Is;beforeC.Was;afterD.Is;after
5.()WhenIgotonthebus,I______Ihadleftmywalletathome.
A.wasrealizingB.real