现在完成时复习课件.ppt

、基本结构:用法2:表示二、用法1:表示标志词:标志词:助动词have/has+动词的过去分词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。already,yet,just,ever,never,before过去已经开始,持续到现在的动作或状态。for,since,since…ago,inthepastfewyears注:现在完成时态三、与一般过去时态的区别瞬间动词,不能和表一段时间的肯定句连用,如果需要,则应该转换。,如playedplayedplaycarriedcarriedcarrystoppedstoppedstoplivedlivedliveReviewofthePresentPerfectTenseNextBackwas,beenwere,beenbecame,efed,feddid,doneate,eatenwent,gonekept,keptswam,swumwrote,writtendrank,ebought,boughtbrought,broughttook,takenmade,madesaw,seensent,,如am,。?youtheflowersyet?。。。。,我们就在这儿等他。Weforhimsince9:,他就在练****打篮球。,她就结交了许多朋友。,但是可以转换成相应的延续性动词或短语。如:buy-,borrow-,leave-,come-,begin-,die-,join-.例句:他来中国半年了。(改错)es改为:。havekeepbeawaybeinbeonbedeadbeamemberof/bein…hasbeeninKeyKeyKeyKeyKeyKeyKeyKeyReviewofthePresentPerfectTenseBackReviewofthePresentPerfectTense三、与一般过去时态的区别(主要是时间)。,明天将回来。’’