Unit 1 Topic 3 Section A 课件 1

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1、Unit1TheChangingWorldTopic3Theworldhaschangedforthebetter.SectionA课件1WhocandescribeBeijing?InthepastNowadaysNewYorkWhattookplaceinNewYork?Asamatteroffact/Infact,Lucyisgoodatdancing.Asamatteroffact/Infact,Iamstrong.asamatteroffact=infact1bListento1aandtickwhatwasmentionedab

2、outNewYork.InthepastterribletrafficdirtystreetsunfriendlypeopledangeroustolivelessshoppingcentersNowadaysbeautifulparkscleanandfreshairhugemarketsfamousmuseumsgoodschoolsexcellentrestaurants1cWorkinpairsanddescribeNewYorktoyourpartnerbasedon1b.Youmaystartlikethis:A:Howmuch

3、doyouknowaboutthetrafficinNewYork?B:Iheardthatthetraffictherewasterrible.Doyouhaveanyideasaboutthestreetsthere?A:…Completethesentenceswithsinceorfor.1.YouhavebeeninNewYork_____alongtime.2.Thecityhasimprovedalot_____Icamehereafewyearsago.forsinceYouhavebeeninNewYorkforalong

4、time.foralongtimecametoNewYorkpresentpastsb.have/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.Sheworksin

5、theschoolsince1995.since1995livedpresentpastsince+时间点e.g.HehaswaitedforTomsincetwohoursago.sincetwohoursago8:00presentpastsince+时间段+ago10:00Ihaveworkedintheschoolforthreeyears.=Ihaveworkedintheschoolsincethreeyearsago.=Ihaveworkedintheschoolsince2011.=IhaveworkedheresinceI

6、cametotheschool.for+时间段since+时间段+agosince+时间点since+从句Lookcarefullyandthinkaboutthedifferencesbetweensinceandforin1a.Thencompletethesentenceswithsinceorforandlistenandcheck.1.IhavelivedinBeijing______threeyears.______2011.2.HehaswaitedforTom______twohoursago.______twohours.

7、forforsincesince3.Wehavelearnedchemistry_____onemonth.______thenewtermbegan.forsincen.化学n.学期Fillintheblankswithfororsince.1.Hisfatherhasbeendead______hewastenyearsold.2.Michaelhasbeenawayfromthearmy______sixyears.sincefor3.HehasbeeninChongqing_______2003.4.Mybrotherhashada

8、car______twomonths.5.Tomhaskeptabook______5:00a.m.sinceforsince---Haveyou_____beentoBeiji