译林牛津英语8BUNIT1Grammar课件.ppt

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1、Unit1PastandpresentGrammar牛津版初中英语八年级下ThePresentPerfectTenseWeusethesimplepasttensetotalkaboutwhathappenedatadefinitetimeinthepast.PastpresentEddiewasbornfouryearsago.Weusethepresentperfecttensetotalkaboutthingsthatstartedinthepastandstillhavesomeconnectionwiththepresent.Eddiehaslivedwith

2、Milliesincehewasborn.EddiehaslivedwithMillieforfouryears.presentPastPastpresent4years一、现在完成时的构成1.现在完成时的肯定句句型：主语+have/has+过去分词。WehavelivedinBeijing.HehaslivedinBeijing.Ihavefinishedmyhomework.2.现在完成时的否定句句型：主语+have/has+not+过去分词Ihavenotseenthemovieyet.Hehasn’tbeentoBeijingsincethenI/They

3、/We/Youhavearrived.He/She/IthasHaveyou….?Hashe….?Yes,IhaveYes,hehas.No,Ihaven’t.No,hehasn’t.hasnot=hasn’thavenot=haven’tthepastparticlesofsomeverbsmostverbsIrregularverbsInfinitivePastparticleInfinitivePastparticletraveltravelledcomecomevisitvisitedseeseenlivelivedbebeenmissmissedgivegiv

4、enlandlandedwritewrittenmovemovedmakemadelearnlearnedputputMakingsentencesMr.Wuasksthestudentstocompletethesentencesbelowusingthepresentperfecttense.Helpthemcompletethesentences.They___________(go)tothecinemaalready.MrAndMrs.Li_________________(notcome)backyet.John___________(be)totheUSA

5、afewtimes.We_______________(notsee)thatfilmyetI_______________(nottalk)tomycousinsincelastFriday.You_________________(notvisit)meforalongtime.havegonehavenotcomehasbeenhavenotseenhavenottalkedhavenotvisited3.现在完成时的一般疑问句句型Have/Has+主语+过去分词+….Haveyoufinishedthework?Hasshearrivedhere?4.现在完成时

6、的特殊疑问句句型特殊疑问词+have/has+主语+过去分词+…….HowmanytimeshaveyoubeentotheGreatWall?ChattimeMillieandSandyaretalkingaboutafilmaboutHongKong.Completetheirconversation.Usethecorrectformsoftheverbsinthebrackets.M:______you____(see)anyfilmsrecently,Sandy?S:No,I_______.Whataboutyou?M:Yes,I_____________(s

7、ee)one.S:Whatisitabout?M:I______________(forget)thetitle.It’saboutHongKong.Haveseenhaven’thaveseenhaveforgottenS:______yourcousin____(go)withyou?M:No,he_______.He________(be)verybusythisweek.S:Didyouenjoythisfilm?M:Yes,Idid.I___________(learn)alotaboutHongKong’spastandpre