叶县田小燕 现在完成时

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1、仁爱版九年级上册英语现在完成时叶县龚店乡初级中学田小燕学习目标了解现在完成时的概念与构成理解并能区分already/yet、never/ever的用法掌握for和since的用法及区别学习延续性动词与非延续性动词的概念，及学会两者的相互转换现在完成时的构成：have/has+done现在完成时的用法：(1）表示过去发生或完成的某一动作对现在造成的影响或结果，常常与already，ever，never，yet等连用。如：Haveyouseenthemovieyet?---Yes,Ihavealreadyseenthemovie.---

2、No,Ihaven'tseenthemovieyet.HaveyoueverbeentoBeiJing?---Yes,Ihave.Ihavejustcomeback.---No,Ihaven’t.Ihaveneverbeenthere.IhaveneverbeentoBeijing.already多用于现在完成时的肯定句中，放在be动词、助动词和情态动词之后，行为动词之前或放在句末。否定句和疑问句中，already要改为yet。（2）表示过去已经开始，持续到现在的动作或状态，常与for,since连用。区别点时间和段时间5:20点时

3、间3years段时间2minutes段时间1998点时间lastyear点时间1weeks段时间for:(长达）for+时间段Ihaveworkedintheschoolforthreeyears.since:(自...以来)1)since+时间点Ihaveworkedintheschoolsince2011.2)since+时间段+agoIhaveworkedintheschoolsincethreeyearsago.3)since+从句(动词用过去式）IhaveworkedheresinceIcametotheschool.fo

4、r和since的用法：选用since或for来填空.1.Sheworksintheschool_____1995.2.HehaswaitedforTom______twohoursago.3.IhavelivedinBeijing______2011._______threeyears.______Icamehere4.HehaswaitedforTom______twohours.______twohoursago.sincesincesinceforsincesincefor想一想我买这辆车2年了。Iboughtthiscarf

5、orthreeyears.(×)Iboughtthiscarsincetwoyearsago.(×)非延续性动词用于完成时时，不能与for,since连用，必须转化为可以延续的动词。非延续动词是指在极短的时间内就可以完成的动作。如：buyborrowdie等延续性动词是指能持续很长时间的某个动作或状态的动词。如：liveteach等非延续性动词come--------leave--------die--------buy--------begin--------borrow--------close--------join-----

6、---fallill--------延续性动词bebeaway(from)bedeadhavebeonkeepbeclosedbeamemberof/beinbeillFillintheblanks.1.Hisfather________(die)in1992.Hisfather________________(bedead)formanyyears.2.He________(leave)thearmybecauseofalegwound.He____________________(beawayfrom)thearmyforsev

7、enyearsbecauseofalegwound.3.He________(come)toBeijingin2003.He____________(bein)Beijingsince2003.diedhasbeendeadlefthasbeenawayfromcamehasbeenin4He________(join)Helpers’Clubin2004.He__________(be)amemberofHelpers’Clubsince2004.5.He________(buy)ahousein2005.He__________

8、(have)ahousesince2005.6.He__________(borrow)thecarin2008.He__________(keep)thecarforoneyear.joinedhasbeenboughthashad