江苏新教材牛津英语八年级下Unit1 Past and present Grammar课件.ppt

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1、Unit1PastandpresentGrammar预习检测与导入学习目标1.知识目标：学习词汇：yet,recently,past学习词组：overthepastcentury,learnmoreabout学习目标2.技能目标：1)掌握现在完成时的基本结构、基本用法和动词过去分词变化规律。2)能够在语境中正确运用现在完成时。3)理解并运用常和现在完成时连用的时间表达方式。3.情感目标：用现在完成时谈论家乡的变化。Askandansweraboutreading.1.HowlonghasMrChenl

2、ivedinSunshineTown?2.WhendidMrChengetmarried?3.Therehavebeenmanychangesinthistown.Whathasthecentreoftownbecome?4.HowlongdoesMrChenfeelfromtimetotime?5.Whatdoyouthinkofthechanges?Islifebetternow?Workinpairs1.Howlonghaveyoulivedhere?2.Howlonghaveyoustudie

3、dinthisschool?3.HowlonghaveyoustudiedEnglish?4.Wherehaveyoutravelledrecently?etc.Presentperfecttense一.现在完成时的含义现在完成时用来表示之前已发生或完成的动作或状态，其结果和现在有联系，动作或状态发生在过去但它的影响现在还存在；也可表示持续到现在的动作或状态。ThePresentPerfectTense(现在完成时）pastpresentEddiehaslivedwithMilliesincehewa

4、sborn.EddiehaslivedwithMillieforfouryears.pastpresent4yearsEddiewasbornfouryearsago.二、现在完成时的构成现在完成时的肯定句句型:主语（第一、二人称单、复数）+have+过去分词WehavelivedinNanjingfor10years.e.g.Ihavefinishedmyreport.主语（第三人称复数）+have+过去分词e.g.Theyhavemovedaway.主语（第三人称单数）+has+过去分词e.g.H

5、ehasbeeninBeijingfortwomonths.2.现在完成时的否定句句型主语+have/has+not+过去分词e.g.IhavenotseenHarryPotteryet.Hehasn’tbeentoTianjinsincethen.3.现在完成时的一般疑问句句型Have/Has+主语+过去分词Haveyou….?Hashe….?Yes,Ihave.Yes,hehas.No,Ihaven’t.No,hehasn’t.师生互动（通过对话领悟现在完成时的一般疑问句及其回答）：T：Havey

6、oustudiedEnglishforthreeyears?S：…T：Haveyou…?S：…三、现在分词的构成原形过去分词原形过去分词travelvisitmovestopstayfinishownshoplearnsolvetravelledmovedstayedownedlearnedvisitedstoppedfinishedshoppedsolvedA规则动词的过去分词B不规则动词的过去分词原形过去分词原形过去分词thinkputcatchcostgivegrowmakehurtwriter

7、unthoughtcaughtgivenmadewrittenputcostgrownhurtrun原形过去分词原形过去分词feelbringfallwearflysinghaveforgetdrinkkeepfeltfallenflownhaddrunkbroughtwornsungforgottenkeptCompletethesentencesusingthepresentperfecttense.They____________(finish)theirhomeworkalready.2.Jo

8、hn________never__________(visit)China.3.MrLi________________(repair)overtenbicyclessinceMonday.havefinishedhashasrepairedvisited4.We____________(notsee)eachotherforyears.5.Myparents__________________(notcome)backyet.6.Ourteacher_