Unit 2 Using language 課件-高中英語外研版（2019）必修第一冊

Review:tenses2020.10.11一般現(xiàn)在時Lawyershelppeopleandarerespectedbyothers.Maryisgoodatmusic.Somethingthathappensregularlyinthepresent形式：主語+do/does；主語+is/am/are

功能：用來描述A.現(xiàn)在經(jīng)常發(fā)生的或習(xí)慣性動作；B.現(xiàn)在存在的特征或狀態(tài)；C.客觀事實或普遍真理。例如：a.Theywalktoschooleveryday.b.Thelionisalargeanimalofthecatfamily.c.Lighttravelsfasterthansound.一般過去時...yousaidthatyouwantedtobeaprofessionalfootballplayer.Myfatherwasverybusylastweek.Somethingthatwascompletedinthepast形式：主語+did；主語+was/were功能：用于描述A.過去某個時間發(fā)生的動作或產(chǎn)生的狀態(tài)；B.過去經(jīng)常發(fā)生的或習(xí)慣性動作。例如：a.Igotupat6:30yesterday.b.WhenIwasateenager,Iplayedtabletennisalmosteveryday.

一般將來時...youwillhavetwooptionsforyourfuture.Ishallspeakatthemeetingtomorrow.Shallwestarttowork?WhatareyougoingtodonextSunday?Whoistocleantheclassroomtoday?I'mleavingforBeijingnextmonth.Somethingthatiscertaintotakeplaceinthefuture.形式：主語+will/shall；主語+am/is/are+goingtodo；主語+am/is/are+todo；主語+am/is/are+doing功能：用來描述A.將來要發(fā)生的動作或產(chǎn)生的狀態(tài)；B.計劃、打算、決心去做某事；C.即將發(fā)生或肯定要發(fā)生某事。例如：a.Hewillcometomorrow.b.MaryandJanearegoingtoseethefilmtonight.c.Youaretohandinyourpapersby10o'clock.現(xiàn)在進(jìn)行時GrandfatherandFather,seatedatthetable,areplayingchess.Somethingthatiscurrentlytakingplace.形式：主語+am/is/are+doing功能：用來描述A.此時此刻正在進(jìn)行的動作；B.當(dāng)前一段時間正在進(jìn)行的動作。例如：a.Wearewaitingforyounow.b.Wearemakingmodelplanesthesedays.現(xiàn)在完成時...youhavefoundthecareerthatsuitsyourtalents.形式：主語+have/has+doneSomethingthatstartsinthepastandisaffectingthepresent.功能：用來描述A.過去發(fā)生的動作對現(xiàn)在產(chǎn)生的結(jié)果、影響；B.過去的動作或狀態(tài)持續(xù)到現(xiàn)在。例如：a.Hehaslosthiswallet.b.Shehasbeenbusywithherworksincelastweek.過去將來時Hesaidhewouldcomebackthenextday.Hewasgoingtoplaytennisthatafternoon.AsIwastoleavenextday,IwenttobedearlyonTuesdayevening.功能：通常指按過去的計劃、安排即將在某一過去時間發(fā)生的事態(tài)。形式：主語+would+do；主語+was/weregoingto+do；主語+was/wereto+do過去進(jìn)行時WhenIwentdownstairs,theywereeatingbreakfast.形式：主語+was/were+doinga.表示過去某一時刻正在進(jìn)行的動作

Whatwereyoudoingyesterdayatsevenp.m.?b.表示過去某一階段一直進(jìn)行的動作

From1983to1988,hewasteachingatYale.c.指過去某一階段暫時性的習(xí)慣

Georgewasgettingupatfiveeverydaythatweek.d.表示按照計劃安排即將發(fā)生的過去將來事態(tài)。

Theywereleavingafewdayslater.Thesummervacationwasdrawingnear,butnobodyknewwheretheyweregoingfortheholiday.過去完成時Ihadwrittenthearticlewhentheycame.形式：主語+had+donea.表示一個動作或狀態(tài)在過去某時之前已經(jīng)完成或結(jié)束Heknewhehadmetherbefore.Tomflewhome,buthisfatherhadalreadydied.b.在過去某時之前已經(jīng)開始，一直延續(xù)到這一過去時間，而且到那時還未結(jié)束，仍有繼續(xù)下去的可能Bysixo'clocktheyhadworkedtwelvehours.Shesaidthatshehadmademuchprogresssinceshecamehere.In1960,I'dknownhimfortenyears;Imethimforthefirsttimein1950.現(xiàn)在完成進(jìn)行時vs過去完成進(jìn)行時現(xiàn)在完成進(jìn)行時：主語+havebeen+doingI'vebeenwritinglettersforanhour(andI'vestillgotsomemoretodo).I'vebeensittinginthegarden