文档介绍：PresentPerfectTense现在完成时HaveyoueverlovedsomebodySomuchitmakesyoucryHaveyoueverneededsomethingsobadYoucan'tsleepatnightHaveyouevertriedtofindthewordsButtheydon'tcomeoutrightHaveyoueverHaveyoueverHaveyoueverbeeninloveBeeninlovesobadYou'ddoanythingTomakethemunderstandHaveyoueverhadsomeoneStealyourheartawayYou'dgiveanythingTomakethemfeelthesameHaveyouever(你是否曾经...)LearningAims(学****目标)掌握现在完成时的构成(注意动词过去分词的规则变化与不规则变化):表过去发生或已经完成的某一动作对现在造成的影响或结果。表示开始于过去,并持续到现在的动作或状态,有可能继续下去的动作或状态。。。现在完成时的构成助动词have/has+动词的过去分词动词过去分词的规则变化规律写出下列动词的过去式和过去分词:helpedcleanedworkeddevelopedhelpedcleanedworkeddeveloped一般情况:livedcausedimprovedchangedlivedcausedimprovedchanged以e结尾+dhelpcleanworkdeveloplivecauseimprovechange原形过去式过去分词直接+ed写出下列动词的过去式和过去分词:动词过去分词的规则变化规律chattedstoppedplannedchattedstoppedplanned双写+ed注:以一个辅音字母结尾的重读闭音节词,双写最后一个辅音字母+edstudiedcarriedtriedstudiedcarriedtried变y为i,+ed注:以辅音字母+y结尾,变y为i,+:以元音字母+y结尾,直接++edchatstopplanstudycarrytryplayenjoystay原形过去式过去分词写出下列动词的过去式和过去分词:动词过去分词的不规则变化shutcutcostputshutcutcostputAAA型(三种都一样)madehadkeptfoundboughtmadehadkeptfoundboughtABB型(过去式与过去分词相同)shutcutcostputmakehavekeepfindbuy原形过去式过去分词写出下列动词的过去式和过去分词:动词过去分词erunABA型(原形与过去分词相同)tookwentdidsawwas/weretakengonedoneseenbeenABC型(三种都不一样)takegodoseeis/am/erun原形过去式过去分词theWestLaketheGreatWallA::Ihaven’:HaveyoubeentotheGreatWall?B:Yes,:/No,Ihaven’:Wherehaveyoubeen?B:Ihavebeento……