Unit 2 Using language 课件-高中英语外研版（2019）必修第一册

Review:tenses2020.10.11一般现在时Lawyershelppeopleandarerespectedbyothers.Maryisgoodatmusic.Somethingthathappensregularlyinthepresent形式：主语+do/does；主语+is/am/are

功能：用来描述A.现在经常发生的或习惯性动作；B.现在存在的特征或状态；C.客观事实或普遍真理。例如：a.Theywalktoschooleveryday.b.Thelionisalargeanimalofthecatfamily.c.Lighttravelsfasterthansound.一般过去时...yousaidthatyouwantedtobeaprofessionalfootballplayer.Myfatherwasverybusylastweek.Somethingthatwascompletedinthepast形式：主语+did；主语+was/were功能：用于描述A.过去某个时间发生的动作或产生的状态；B.过去经常发生的或习惯性动作。例如：a.Igotupat6:30yesterday.b.WhenIwasateenager,Iplayedtabletennisalmosteveryday.

一般将来时...youwillhavetwooptionsforyourfuture.Ishallspeakatthemeetingtomorrow.Shallwestarttowork?WhatareyougoingtodonextSunday?Whoistocleantheclassroomtoday?I'mleavingforBeijingnextmonth.Somethingthatiscertaintotakeplaceinthefuture.形式：主语+will/shall；主语+am/is/are+goingtodo；主语+am/is/are+todo；主语+am/is/are+doing功能：用来描述A.将来要发生的动作或产生的状态；B.计划、打算、决心去做某事；C.即将发生或肯定要发生某事。例如：a.Hewillcometomorrow.b.MaryandJanearegoingtoseethefilmtonight.c.Youaretohandinyourpapersby10o'clock.现在进行时GrandfatherandFather,seatedatthetable,areplayingchess.Somethingthatiscurrentlytakingplace.形式：主语+am/is/are+doing功能：用来描述A.此时此刻正在进行的动作；B.当前一段时间正在进行的动作。例如：a.Wearewaitingforyounow.b.Wearemakingmodelplanesthesedays.现在完成时...youhavefoundthecareerthatsuitsyourtalents.形式：主语+have/has+doneSomethingthatstartsinthepastandisaffectingthepresent.功能：用来描述A.过去发生的动作对现在产生的结果、影响；B.过去的动作或状态持续到现在。例如：a.Hehaslosthiswallet.b.Shehasbeenbusywithherworksincelastweek.过去将来时Hesaidhewouldcomebackthenextday.Hewasgoingtoplaytennisthatafternoon.AsIwastoleavenextday,IwenttobedearlyonTuesdayevening.功能：通常指按过去的计划、安排即将在某一过去时间发生的事态。形式：主语+would+do；主语+was/weregoingto+do；主语+was/wereto+do过去进行时WhenIwentdownstairs,theywereeatingbreakfast.形式：主语+was/were+doinga.表示过去某一时刻正在进行的动作

Whatwereyoudoingyesterdayatsevenp.m.?b.表示过去某一阶段一直进行的动作

From1983to1988,hewasteachingatYale.c.指过去某一阶段暂时性的习惯

Georgewasgettingupatfiveeverydaythatweek.d.表示按照计划安排即将发生的过去将来事态。

Theywereleavingafewdayslater.Thesummervacationwasdrawingnear,butnobodyknewwheretheyweregoingfortheholiday.过去完成时Ihadwrittenthearticlewhentheycame.形式：主语+had+donea.表示一个动作或状态在过去某时之前已经完成或结束Heknewhehadmetherbefore.Tomflewhome,buthisfatherhadalreadydied.b.在过去某时之前已经开始，一直延续到这一过去时间，而且到那时还未结束，仍有继续下去的可能Bysixo'clocktheyhadworkedtwelvehours.Shesaidthatshehadmademuchprogresssinceshecamehere.In1960,I'dknownhimfortenyears;Imethimforthefirsttimein1950.现在完成进行时vs过去完成进行时现在完成进行时：主语+havebeen+doingI'vebeenwritinglettersforanhour(andI'vestillgotsomemoretodo).I'vebeensittinginthegarden