新概念英语青少版4A-Unit-4教学文稿课件

Unit4AnExcitingTripUnit4AnExcitingTrip1AnexcitingtripI’vejustreceivedaletterfrommybrotherTim.HeisinAustralia.He’sbeenthereforsixmoths.AnexcitingtripI’vejustrece2AnexcitingtripTimisanengineer.Heisworkingforabigfirmandhe’salreadyvisitedagreatnumberofdifferentplacesinAustralia.AnexcitingtripTimisanengi3AnexcitingtripHe’sjustboughtanAustraliancarandheisgoingtoAliceSpring.AsmalltowninthecenterofAustralia.HewillsoonvisitDarwin.FromtherehewillflytoPerth.Mybrotherhasneverbeenabroadbefore.Sohefindsthistripveryexciting.AnexcitingtripHe’sjustboug4新概念英语青少版4A-Unit-4教学文稿课件5GuidedConversationFrommybrother.InAustralia.Forsixmonths.He’sanengineer.Abigfirm.Yes,hehas.AnAustraliancar.ToAliceSpring.Darwin.ToPerth.No,hewon’t.GuidedConversationFrommybro6PatternPracticeHave/hasdone现在完成时表示发生在过去的某个时间（具体时间不清楚）并一直持续到现在的动作。注意yet只能用在疑问句和否定句中。句型1HaveyoureceivedTim’sletteryet?句型2-Whydon’tyoureadthatbook?

-BecauseI’vealreadyreadit.句型3He’sgonetoAustralia.句型4-Hasthetrainarrived?

-No,ithasn’tarrivedyet.PatternPracticeHave/hasdone7KeyStructuresa.现在完成时表示i.动作发生在过去的某个时间（确切的时间并不重要，也不会给出），但影响十分明显，例如Ihavereadtheletter,butIdon’tunderstandit.ii.动作开始于过去，现在仍在继续或刚刚结束。这时经常与for+一段时间或since+时间点一起使用Hehasbeenthereforsixmonths.Hehasneverbeenabroadbefore.iii.动作刚备完成，例如Ihavejustreceivedaletterfrommybrother.KeyStructuresa.现在完成时表示8KeyStructuresb.already用在肯定句中，yet用在否定和疑问句中。Hehas(already)visitedagreatmanyofplaces(already).Thetrainhasn’tarrivedyet.KeyStructuresb.already用在肯定句9KeyStructuresc.注意havegone和havebeen区别HehasgonetoAliceSprings.表示他在那里或正在去那里的路上。HehasbeentoAliceSprings.表示他曾经去过那里，但他现在已不再那里。KeyStructuresc.注意havegone和h10KeyStructuresFinishtheexercises.KeyStructuresFinishtheexerc11Readingsix…disappointed…today…birthdaycardscards…presents…postman…delivered…mother…Whathashappenedtothepost?strike…deliveryourcardsfind…some…collectthemontheirway…postofficehappy…afterallReadingsix…disappointed…12THANKYOU此课件下载可自行编辑修改，仅供参考！

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13Unit4AnExcitingTripUnit4AnExcitingTrip14AnexcitingtripI’vejustreceivedaletterfrommybrotherTim.HeisinAustralia.He’sbeenthereforsixmoths.AnexcitingtripI’vejustrece15AnexcitingtripTimisanengineer.Heisworkingforabigfirmandhe’salreadyvisitedagreatnumberofdifferentplacesinAustralia.AnexcitingtripTimisanengi16AnexcitingtripHe’sjustboughtanAustraliancarandheisgoingtoAliceSpring.AsmalltowninthecenterofAustralia.HewillsoonvisitDarwin.FromtherehewillflytoPerth.Mybrotherhasneverbeenabroadbefore.Sohefindsthistripveryexciting.AnexcitingtripHe’sjustboug17新概念英语青少版4A-Unit-4教学文稿课件18GuidedConversationFrommybrother.InAustralia.Forsixmonths.He’sanengineer.Abigfirm.Yes,hehas.AnAustraliancar.ToAliceSpring.Darwin.ToPerth.No,hewon’t.GuidedConversationFrommybro19PatternPracticeHave/hasdone现在完成时表示发生在过去的某个时间（具体时间不清楚）并一直持续到现在的动作。注意yet只能用在疑问句和否定句中。句型1HaveyoureceivedTim’sletteryet?句型2-Whydon’tyoureadthatbook?

-BecauseI’vealreadyreadit.句型3He’sgonetoAustralia.句型4-Hasthetrainarrived?

-No,ithasn’tarrivedyet.PatternPracticeHave/hasdone20KeyStructuresa.现在完成时表示i.动作发生在过去的某个时间（确切的时间并不重要，也不会给出），但影响十分明显，例如Ihavereadtheletter,butIdon’tunderstandit.ii.动作开始于过去，现在仍在继续或刚刚结束。这时经常与for+一段时间或since+时间点一起使用Hehasbeenthereforsixmonths.Hehasneverbeenabroadbefore.iii.动作刚备完成，例如Ihavejustreceivedaletterfrommybrother.KeyStructuresa.现在完成时表示21KeyStructuresb.already用在肯定句中，yet用在否定和疑问句中。Hehas(already)visitedagreatmanyofplaces(already).Thetrainhasn’tarrivedyet.KeyStructuresb.already用在肯定句22KeyStructuresc.注意havegone和havebeen区别HehasgonetoAliceSprings.表示他在那里或正在去那里的路上。HehasbeentoAliceSprings.表示他曾经去过那里，但他现在已不再那里。KeyStructuresc.注意havegone和h23KeyStructuresFinishtheexercises.KeyStructuresFinishtheexerc24Readingsix…disappointed…today…birthdaycardscards…presents…postman…delivered…mother…Whatha