现在完成时态.ppt

Unit8,Unit8HaveyoureadTreasureIslandyet?,中文填词,1，我已经吃早饭_.2,你昨天几点吃_?3，你明天几点吃_?英语怎么表达：Ihavehadbreakfast.,句式1.肯定句：主语+have/has+过去分词(+其他)（助动词）2.否定句：主语+have/has+not+过去分词(+其他)havent/hasnt3.一般疑问句：have/has+主语+过去分词(+其他),肯定回答：Yes,主语+have/has否定回答：No,主语+havent/hasnt,过去分词：规则变化不规则变化,规则变化：1.一般在动词词尾直接加ed,与动词过去时的变化规则一样。如：原型过去式过去分词2.以不发音的e结尾的动词后面加d。如：原型过去式过去分词,pick,picked,picked,stay,stayed,stayed,waited,wait,waited,like,hoped,hope,liked,liked,hoped,3.以“辅音字母+y”结尾的动词，变y为i，再加-ed。如：原型过去式过去分词4.词尾只有一个辅音字母的重读闭音节动词，要双写辅音字母，再加-ed。如：原型过去式过去分词,study,hurried,hurry,studied,studied,hurried,replied,reply,replied,stop,stopped,stopped,不规则变化1.过去分词与不规则动词过去式相同原型过去式过去分词makemademadefindfoundfoundhavehadhadbuyboughtbought;spendspentspentfeelfeltfelt;keepkeptkept,2.过去分词与过去式不一样。如：原型过去式过去分词taketooktakengowentgonebewas/werebeen3.过去分词，过去式与动词原形一样。如：原型过去式过去分词letletlet;putputput;readreadreadcutcutcut,用法1.表示动作或事件的完成并对现在有影响。e.g.Ihavehadbreakfast我已经吃早饭了。(现在我不饿了。)2.表示从过去持续到现在的动作或状态，而且可能还要继续下去。e.g.Shehaslivedheresince1982,现在完成时,3.表示经验IhavevisitedNewYorktwice.,与一般现在玩成时连用的时间状语already已经yet还just刚刚sofar到目前为止for持续时间since自从,already和yet都可以作为现在完成时的标志词，但它们的用法不同。already一般用于肯定句中。如：Wehavealreadycleanedupourclassroom.注意：already用于疑问句中时通常表示惊奇。如：Haveyoufinishedyourhomeworkalready?Icantbelieveit.,yet一般用于疑问句和否定句中。如：Haveyouseenheryet?Thebushasntcomeyet.,例句：1.Hehasalreadycomehere.他已经来了。（来的动作发生在过去，但对现在的影响是他已经在这儿了。）疑问句：-Hashecomehereyet?-Yeshehas./Nohehasnt否定句Hehasntcomehereyet.,2.Theyhavefinishedthework.（“完成工作”这个动作发生在过去某个时间，对现在的影响或联系是这项工作已经结束了。）疑问句：-Havetheyfinishedthework?-Yestheyhave./Notheyhavent否定句Theyhaventfinishedthework.,3.HerparentshavelivedinChinasince1985.自从1985年她得父母就居住在中国了。（“住”这个动作发生在过去，但并没有结束持续到现在或将来）疑问句：-HaveherparentslivedinChinasince1985?-Yestheyhave./Notheyhavent,例句：4.Mr.Greenhasseenthefilm.格林先生已经看过这部电影了。（看电影的动作发生在过去，对现在影响是他已经了解剧情或不想再看了。）疑问句：-HasMr.Greenseenthefilm？-Yeshehas./Nohehasnt否定句Mr.Greenhasntseenthefilm.,现在完成时与过去时的区别：eg:Ihadmybreakfastat8:00thismorming.我今天早上8:00吃得早饭。（今天早上8:00吃这个动作发生了，强调某个时间发生某个动作）eg:Ihavehadmybreakfast.我已经吃过早饭了。（过去发生的动作对现在的影响，即吃早饭的动作发生在过去，对现在的影响是我已经饱了或不想再吃饭了）,现在完成时与过去时的区别：eg:Sheboughtanewskirtlastweek.她上周买了一条新裙子。（强调上周的某个时间发生的买裙子的动作）eg:Shehasboughtanewskirt.我已经买了一条新裙子。（强调现在已经有新裙子了）,现在完成时与过去时的区别：eg:Theylivedinthatcitylastyear.他们去年住在那个城市里。（这个动作已经结束了，他们现在不住在那个城市里了）eg:Ihavelivedinthatcityfor10years.他们已经住在那个城市里10年了。(这个住的动作未结束，现在依然住在那个城市）,一般现在时、过去时与现在完成时的比较：eg:Hedosehishomeworkeveryday.他每天都做作业（强调习惯性动作)eg:Hedidhishomeworkyesterdayevening.他昨天晚上做了作业(强调昨天晚上这个特定时间发生了做作业的这个动作)eg:Hehasdonehishomework.他已经做完作业了（强调现在的结果是他已经做完作业了,WhyisMr.Yangstillintheteachersoffice?Maybehe_hisworkyet.A.doesntfinishB.hasntfinishedC.haventfinished,B,4aUsethewordsinbracketstocompletetheconversations.1.A:Wouldyoulikesomethingtodrink?B:No,thanks._.(just/drinksometea)2.A:Iheardyoulostyourkey._?(find)B:No,notyet.,Ihavejustdrunksometea,Haveyoufoundit,3.A:DoyouknowwhenTomisleaving?B:_.(already/leave)A:When_?(leave)B:Thismorning.4.A:Isyoursistergoingtothemovieswithustonight?B:No._.(already/seethefilm),Hehasalreadyleft,didheleave,Shehasalreadyseenthefilm,5.A:Whatdoyourparentsthinkaboutourplan?B:I_.(not/tellthem/yet),haventtoldthemyet,4bFillintheblankswiththecorrectformsofthewordsinthebrackets.Sally_(love)reading.Inthemorningshereadsthenewspaperandintheeveningshereadsbooks.She_already_(read)morethan100differentbooks.Herfavoritekindofbooksissciencefiction.Sheisinterestedinscienceandtechnologyandlovestoimaginewhattheworld_(be)likein50years.,loves,has,read,willbe,She_(finish)readingabookaboutrobotslastweekand_(write)abookreportaboutitnextweekforherFrenchclass.Everytimesheisinthelibrary,Sallylooksatthemanybooksshe_(notread)yetandshecantwaittoreadthem.,finished,willwrite,hasntread,4cCompletethechartwithinformationaboutyouandyourfriend.,A:Whatbookshaveyoualreadyread?B:IhavealreadyreadTomSawyerandHarryPotter.A:Whatdoyouthinkofthem?B:Well,IthinkHarryPotterwasexciting,butTomSawyerwasabitboring.,()【2013广西贵港】DoyouknowthemovieLostinThailand?Yes.I_ittwice.Itsfunny.A.sawB.seeC.haveseenD.willsee,C,中考链接,()【2013黑龙