初中九年级英语《现在完成时》复习公开课PPT课件.pptx

Review:thepresentperfecttense复习现在完成时现在完成时Ifwinterhasalreadycome,canspringbefarbehind?冬天来了，春天还会远吗？现在完成时:结构：助动词have/has+done(一）:表示过去发生的动作或已完成的动作对现在造成的影响时间状语-Haveyoufinishedthework?-Notyet.(还没)just；（justnow刚才用于一般过去）already;yet；(already肯定句，yet否定或疑问句)；ever;never；recently;lately;before;(单独使用)表示次数的once,twice,threetimes…用Howmanytimes提问练一练：1.He_________(find)hiskeyalready.一般问句及答语否定句2.I________(read)thebooktwice.3.She____just_____(eat)anapple.4Tom__________(nothear)fromhismotherrecently.5____you____(see)himbefore?hasfound-Hashefoundhiskeyyet?-Yes,hehas./No,hehasnt.Hehasntfoundhiskeyyet.haveread________haseaten________hasntheard________Haveseen________现在完成时（二）含义：表示过去发生的动作一直持续到现在，有可能继续下去.(延续性动词)时间状语①for+时间段forthreedays/amonth②since+时间点sincethen//(ever)sincethen从那时起;自从...时间段+agosinceanhourago=foranhour从句（一般过去时）sincehecamehere③howlong④sofar迄今为止⑤inthelast/pastfewyears在过去几年里[常见的短暂性动词与延续性动词转换buy---borrow---die---leave---begin/start---come/arrive/getto---join---fallasleep---getmarried---havekeepbedeadbeaway(from)beonbeinbein+组织beasleepbemarriedQ:Whenshouldwechangethem？A:since...，for...，howlong...andsoon.havelearned/learnt_________________haswritten_______haskept________hasleft____hasbeenon_________________改成同义句1Tom’sgrandfatherdiedtwoyearsago.Tom’sgrandfather_____________fortwoyears.2.Weboughtthecoatstwodaysago.We_________thecoatsincetwodaysago.hasbeendeadhavehad练一练：1They_________(learn)2000wordsinthepasttwoyears.2Sofar,Tom__________(write)threeletterstohissister.3Howlong_____he____（借）thedictionary?4.Mary____just_______(leave)here.5Themovie___________(begin)sincetenminutesago.现在完成时（三）have/hasbeentohave/hasgonetohave/hasbeenin去过某地(已回)常与once,twice连用去了某地（未回）在某地（常