资源描述:
《时态综合再编(2014下期).doc》由会员上传分享,免费在线阅读,更多相关内容在教育资源-天天文库。
1、时态综合(一)时态的定义:谓语动词用来表示动作发生或状态存在时间的各种形式称为时态。(二)时态的分类及形式:一般现在时:do/does现在完成时:has/havedone现在进行时:am/is/are/doing过去完成时:haddone一般过去时:did将来完成时:will/shallhavedone过去进行时:was/weredoing现在完成进行时:have/hasbeendoing一般将来时:will/shalldo过去完成进行时:hadbeendoing过去将来时:would/shoulddo一、一般现在时(主动形式__________被动形式_
2、_______________)1.构成:(第三人称单数)(当主语是第三人称单数或不可数名词时,谓语动词用单数)1)一般情况下,动词词尾加-s.help_______;swim_______;enjoy_______;leave_______2)以字母s,x,o,ch或sh结尾的动词加-es.teach________;guess_________3)以辅音字母+y结尾的动词,变y为i,再加-es.fly_______study________※have→_________be→________do→_________2.用法:1)表示经常发生的动作或存在
3、的状态,或现阶段的习惯性动作。句子中常有频度副词:______,__________,___________,____________,____________,或时间状语everyday等.Thereisabigtreeinfrontofourclassroom.Look!Themountaintopiscoveredwithsnow.Thestudents_____(have)sportseverymorning.Ourvillage____(be)veryquietintheevening.2)表示真理、客观事实,谚语或自然现象等。此时,如果在含宾语
4、从句的复合句中,尽管主句用过去时态,但宾语从句谓语动词仍用一般现在时。a.Thesun________(rise)intheeastandsetsinthewest.b.WhenIwasaschoolboy,myteachertoldmethatlight_________(travel)fasterthansound.c.Fromthatexperimentweknewthatoil__________(float)abovewater.3)表示按照时刻表安排好了的、将要做的事前。Hisship_______(leave)at9:00a.m.Hestil
5、lhassometimetobuysomesnack.Ourplane_________(take)offat8tomorrowmorning.4)在含时间(when,as,assoonas,immediately,themoment等)、条件(if,unless,once等)、让步(though,although,eventhough/if等)、方式(asif/though)状语从句的复合句中,主句用一般将来时,从句用一般现在时表示将来的动作(主将从现)。时间状从:Ishallgivethelettertohimassoonas/themomenthe_
6、______(come)back.条件状从:Oncehe________(start),hewillnevergiveup.让步状从:Thoughit______(be)difficult,Iwillworkitoutthisevening.a.Whenyou______(ask)ourEnglishteacherforsomehelp,youwillfindhimverypatient.b.Ishan’tlendthebooktoyouunlessyou_________(return)ittomethisSaturday.c.Eventhoughshe
7、_______(be)notfriendlytome,Iwillnothateher.※(注意主句隐含的将来时间)a.Givemeaphonecallifyou________(see)himtomorrow.b.Astudentondutyissupposedtocleantheblackboardbeforeaclass__________(begin).c.Doyouhaveanyquestionstoaskusifyou__________(give)thisjob?You’dbetterwaithereuntilhe_________back.A
8、.willcomeB.comesC.cameD.come5)表示主