现在完成时2018中考英语语法复习学习目标现在完成时构成用法标志词情境导入Hello,Ken!Hi,George!Haveyoujustbeentothecinema?Yes,Ihave.Ihaveworkedfortwohours.Hehasalreadyfinishedhishomework.主语+have/has+动词过去分词知识讲解—Haveyouhadyourlunchyet?—Yes,Ihave.I’vejusthadit.用法1:表示过去发生的或已经完成的某一动作对现在造成的影响或结果。知识讲解用法2:Wehavelivedheresince2000.Ihaveworkedfortwohours.表示动作或状态在过去已经开始,持续到现在,也许还要持续下去。知识讲解alreadyyet已经肯定句疑问句或否定句since+点时间for+段时间用howlong提问inthepast/last...years在过去的几年中知识讲解since+点时间for+段时间用howlong提问延续性动词Ihavelefttheschoolforeightyears.Ihavebeenawayforeightyears.与一段时间连用时,要使用延续性动词知识讲解非延续性动词延续性动词buyborrowleavejoindie...havekeepbeawaybeinbedead...知识讲解1.Everystudent______________(see)thefilmalready.2.—_______he_________(finish)hisworktoday?—Notyet.用所给单词适当形式填空have/has+动词过去分词haveseenHasfinished知识讲解MayisinBeijingnow.She________herhometownsince1999.A.leftB.hasleftC.hasbeenawayD.wasaway解析:考查现在完成时用法。left→leave→beawayhave/has+动词过去分词C知识讲解