（仁爱版）九年级英语上册课件：Unit 1 Topic 3 Section A.ppt

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1、Unit1TheChangingWorldTopic3Theworldhaschangedforthebetter.SectionA---Haveyou_____beentoBeijing?---Yes,Ihave.Ihave_____comeback.---No,Ihaven’t.Ihave_____beenthere.2.---HowlonghaveyoubeeninBeijing?---Ihavebeentheretherefortwoweeks.---Ihavebeentheresincelastweek.everjustneve

2、rWhocandescribeBeijing?InthepastNowadaysNewYorkWhattookplaceinNewYork?Asamatteroffact/Infact,Lucyisgoodatdancing.Asamatteroffact/Infact,Iamstrong.asamatteroffact=infact1bListento1aandtickwhatwasmentionedaboutNewYork.Inthepastterribletrafficdirtystreetsunfriendlypeopledang

3、eroustolivelessshoppingcentersNowadaysbeautifulparkscleanandfreshairhugemarketsfamousmuseumsgoodschoolsexcellentrestaurants1aListen,lookandsay1cWorkinpairsanddescribeNewYorktoyourpartnerbasedon1b.Youmaystartlikethis:A:HowmuchdoyouknowaboutthetrafficinNewYork?B:Iheardthatt

4、hetraffictherewasterrible.Doyouhaveanyideasaboutthestreetsthere?A:…Completethesentenceswithsinceorfor.1.YouhavebeeninNewYork_____alongtime.2.Thecityhasimprovedalot_____Icamehereafewyearsago.forsinceYouhavebeeninNewYorkforalongtime.foralongtimecametoNewYorkpresentpastsb.ha

5、ve/hasbeenin...某人一直在……e.g.Ihavebeeninthenewschoolforaweek.foraweeklastweekpresentpastfor+时间段...,butthecityhasimprovedalotsinceIcamehereafewyearsago.sinceIcamehereafewyearsagocameherepresentpastsince+从句（从句谓语动词用过去式）e.g.Sheworksintheschoolsince1995.since1995livedpresentpasts

6、ince+时间点e.g.HehaswaitedforTomsincetwohoursago.sincetwohoursago8:00presentpastsince+时间段+ago10:00Ihaveworkedintheschoolforthreeyears.=Ihaveworkedintheschoolsincethreeyearsago.=Ihaveworkedintheschoolsince2011.=IhaveworkedheresinceIcametotheschool.for+时间段since+时间段+agosince+时间

7、点since+从句3Lookcarefullyandthinkaboutthedifferencesbetweensinceandforin1a.Thencompletethesentenceswithsinceorforandlistenandcheck.1.IhavelivedinBeijing______threeyears.______2011.2.HehaswaitedforTom______twohoursago.______twohours.3.Wehavelearnedchemistry___onemonth.____th

8、enewtermbegan.forforforsincesincesincen.化学n.学期Fillintheblankswithfororsince.1.Hisfatherhasbeende