五年级下册英语课件Lesson19LiMingComesHome冀教三起14.ppt

,Lesson19LiMingcomeshome,Thinkaboutit:,Whenyougoonatrip，whomissesyou?2Whenyougohome，whodoyoubringgiftsfor?3WhatdidLiMingbuyforhisfather?why?,Listenandanswer:,DidLiMinghaveagoodtrip?WhatdidLiMingbuyforhisfather?,Yes,hedid.Hehadagreattrip,AT-shirt.,T-shirt,LiMingboughtaT-shirtforhisfather.,buyfor给某人买某物,buysth.forsb.buysb.sth.Iwanttobuy_for_.,Readandfill:,A:Hello,LiMing.Imissedyou.B:_.A:Didyouhaveanicetrip?B:Yes._.Iwantedto_agift_you.B:Whatdidyoubuy?A:IboughtaT-shirtforyouandaT-shirtfor_.,Imissedyou,too,Ihadagreattrip,buy,for,myself,Canyoufindtherules:,missmissedwalkwalkedwantwantedtalktalkedlooklooked,Theyallendin“ed”,dodidhavehadbuyboughtiswas,Look!Theyarespecial:,一般过去时:,表示过去某一时间所发生的动作或存在的状态。谓语动词要用一般过去式。经常与yesterday（昨天）,lastweek（上周）,lastmonth（上个月）,lastyear（去年）,twomonthsago（两个月前）,thedaybeforeyesterday（前天），in1990(在1990年),inthosedays（在那些日子里）等表示过去的时间状语连用。,过去式的变化规则:,1.直接加-ed2.以不发音的字母e结尾的,直接加-d,3.以辅音字母加y结尾的,变y为i加-ed4.以一个元音字母加一个辅音字母结尾的重读闭音节单词,双写词尾再加-ed.有些动词过去式的变化是不规则的,例如:do/doesdidam/iswasarewerehave/hashadbuybought,给出下列动词的过去式:,1.look_want_turn_2.arrive_live_3.stop_shop_4.carry_worry_5.go_have_is_buy_,looked,wanted,turned,arrived,lived,shopped,stopped,carried,worried,went,had,was,bought,将下列一般现在时的句子变为一般过去时1.Imissyou.I_you.2.A:Doyouhaveanicetrip?_you_anicetrip?B:Yes!Ihaveanicetrip.Yes!I_an