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1、第9单元课题Unit9Haveyoueverbeentoamuseum?SectionA(3).SectionA(3)SectionA(3)课时安排共(5)课时构成:have(助动词)+p.phas(第三人称单数助动词)+p.phavenot常缩略为haven’thasnot常缩略为hasn’t现在完成时的用法环节二Step1GreetingsandRevisionGreettheclassasusualandcheckthehomework.AskstudentstoreadthesentencesofGra
2、mmarfocusaloud.Step2LearnthePresentPerfectTense1.用法肯定式否定式I/You/We/Theyhavefinishedthework.He/She/Ithasfinishedthework.I/You/We/Theyhavenotfinishedthework.He/She/Ithasnotfinishedthework.构成:4have(助动词)+p.phas(第三人称单数助动词)+p.p疑问式回答HaveI/youfinishedthework?Hashe/sh
3、efinishedthework?Yes,you/Ihave.No,you/Ihaven’t.Yes,he/shehas.No,he/shehasn’t.havenot常缩略为haven’thasnot常缩略为hasn’t现在完成时的用法Haveyouhadyourlunchyet?Yes,Ihave.Ihavejusthadit.(现在我不饿了)表示过去发生或已经完成的动作对现在造成的影响或结果。Ihaven’tseenherthesedays.IhaveknownBobforthreeyears.I’veb
4、eenatthisschoolforovertwoyears.Theyhavelivedheresince1982.ShehastaughtussinceIcametothisschool.某些动词的现在完成时可表示过去某一时间开始并一直持续到现在(包括现在)的动作或者状态,可以和表示延续的时间状语连用。表示持续动作或状态的是延续性动词。ever意为“曾经”,用于疑问句或否定句中,放在助动词与过去分词之间。e.g.Have you ever been to Hong Kong?课中作业Finish4aFinis
5、h4aontextbook.Putthecorrectformoftheverbsintheblanks.1.A:Doyouwant________(come)tothespacemuseum?B:No,I’vealready______(be)therethreetimes.2.A:Haveyou_____(see)therobotsatthesciencemuseum?4B:Yes,I_____(go)therelastweekend.3.A:Let’s_______(spend)thedayatthezo
6、o.B:Well,I’vealready______(be)thereacoupleoftimes,butI’mhappy_______(go)again.4.A:Howabout______(go)totheartmuseum?TherearesomespecialGermanpaintingsthererightnow.B:Sure.Whendoyouwant_____(go)?5.A:Haveyouever_______(visit)thehistorymuseum?B:No,I’venever_____
7、_(be)there.环节三Step5PracticeWorkon4a:2.havebeento&havegoneto区别比较:HehasbeentoBeijing.他曾去过北京。(人已回来,可能在这儿)HehasgonetoBeijing.他已经去北京了。(人已走,不在这儿了)。have/hasbeen(to)表示“曾经到过某地”,说话时此人不在那里,已经回来。侧重指经历。have/hasgone(to)表示某人“已经去某地了”,说话时此人可能在路上或已到那里,反正不在这里。3.一般过去时与现在完成时的区别比
8、较:Ihaveseenthefilm..我看过这部电影。4(我了解这部电影的内容)Isawthefilmlastmonth.我上个月看了这部电影。一般过去时的时间状语有:yesterday,lastweek,…ago,in1980,inOctober,justnow…共同的时间状语有:thismorning,tonight,thissummer,before,already,… 现在完