最新完成式ppt课件PPT课件 16页

'完成式ppt课件 虚拟语气与过去事实相反If条件句主句haddonewouldshouldcouldmighthavedone 不定式的完成式与happen,appear,seem,pretend1.Heseemstohavebeenateacher.---Itseemsthathewasateacher.Cf.Heseemstobeateacher.(Itseemsthatheisateacher.)2.Hepretendedtohavereadthebook.---Hepretendedthathehadreadthebook.3.Ihappenedtohavedriventhatkindofcarbefore.---IthappenedthatIhaddriventhatkindofcarbefore. withthefollowingverbsinthepassivevoicebelieve,consider,find,know,report,say,suppose,thinkYouaresupposedtohavefinishedyourhomework.SheisknowntohavereceivedtwoNobelprizes. meant,hoped,desired,expected,planned,promised,wished,wantedtohavedonesth.,but…Ihopedtohaveseenyouoffyesterday,butIdidn’thavetime.cf.Ihadmeanttohelpyou,butIwastoobusyatthemoment.Ihadintendedtoseeyouoff,butIhadaveryimportantmeetingtoattend.表示愿望，打算一类的词，如：hope,expect,mean,intend,want,think,suppose等，其过去完成时表示过去未曾实现的愿望或意图。 HardlyhadIgothomewhentherainpoureddown.NosoonerhadIgothomethantherainpoureddown.我刚到家大雨就倾盆而下。ThisisthefirsttimethatIhavecomehere.Itwasthethirdtimethathehadmadethesamemistake. Ifyouhadtakenmyadvice,youwouldnothavefailedintheexams.ItishardformetoimaginewhatIwouldbedoingtodayifI____inloveattheageofseven,withtheMelindaCoxLibraryinmyhometown.A.wouldn’thavefallenB.hadnotfallenC.shouldfallD.weretofall PresentPerfectContinuousTensehas/havebeendoing---usedtotalkaboutanongoingstateoractionwhichbeganinthepastandisstillcontinuingorhasjustfinisheddifferencebetweenthepresentperfect---focusesonthefactthatanactioniscompletedandthepresentperfectcontinuous---focusesonthefactthatitisstillongoing I’velearnedhowtoplaychess.(Icanplaychessnow.)I’vebeenlearninghowtoplaychess.(I’mstilllearning.) 结束语谢谢大家聆听！！！16'