高中英语 Module4 Grammar课件 外研版选修6(1).ppt

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1、Module4GrammarMusicModuleFourMusicTeachingaimsanddemands:1.ToexperienceanddiscoverwhatisthePresentPerfectProgressiveTense.2.TograsptheusageofthePresentPerfectProgressiveTense.3.ToknowthemaindifferencesbetweenthePresentPerfectTenseandthePresentPerfect.GrammarActivity1:Readthesentencesfromthepass

2、ageinReadingandVocabularyanddecideiftheyaretrue.Examplesentences:LiuFanghasplayedthepipasincetheageofsix.She’sgivenconcertssinceshewaseleven.GrammarTrueorFalse1:LiuFangstillplaysthepipa.2:Sheonlyplayedthepipawhenshewassix.3:Shehasgivenconcertsregularlysincetheageofeleven.4:Sheonlygaveconcertswh

3、enshewasachild.Now,pleasetickthefollowingsentencesyouagreewithaccordingtotheaboveexamplesentences.√√Activity2:Readtheexamplesentencesandanswerthequestions.Examplesentences:LiuFanghasbeenplayingthepipaforthelastthreehours.She’sbeenperformingconcertseverydaysincelastmonth.QuestionsQ1:Whatisthedif

4、ferenceinformbetweenthesesentencesandthoseinActivity1.TheyareinthepresentperfectprogressiveQ2:Whichofthesethingsistrueaboutthesentences?Thepeoplestarteddoingthesethingsinthepastandarestilldoingthem.(b)Thepeopledothesethingseveryday.(c)Theactionstakeaverylongtimetocomplete.√集中讲解（ThePresentPerfec

5、tProgressiveTense）现在完成进行时由“助动词have/has+been+动词-ing”形式构成。一、构成：现在完成进行时二、基本用法：1.表示从过去开始一直持续到现在的动作，这个动作是否继续下去，则由上下文决定。它常与表示一段时间的状语，如：allthistime,thisweek,thismonth,allnight,allthemorning,thesefewdays,for---,since---等连用。例句：(1)LiuFanghasbeenlivinginCanadasincethen.刘芳从那时以来一直住在加拿大。（动作仍继续下去）(2)Ihavebeen

6、waitingforyouhereforanhour.我在这儿等了你一个小时。（动作刚终止）(3)Hehasbeendoinghishomeworkallthismorning.他做了一上午作业。（动作可能继续下去）2.表示一直到说话时为止的一段时间内一再重复的动作。例句：(1)Ihavebeenmeetingheratthelibrary.(2)Ihavebeentellingyoutobecarefulforweeks.这几个星期我一直在告诉你要小心。我多次在图书馆遇见到她。三、如何区别现在完成时和现在完成进行时：1.在不用时间状语的情况下，现在完成进行时表示动作仍在持续进行，而

7、现在完成时则表示动作在过去已经结束。例句：(1)Wehavebeencleaningtheclassroom.我们一直在打扫教室。(2)Wehavecleanedtheclassroom.我们把教室打扫过了。(3)Theyhavebeenwideningtheroad.他们一直在加工马路。（尚未完工）(4)Theyhavewidenedtheroad.他们把马路拓宽了。（已经完工了）(2)Haveyoumetherlately?你最近跟她见过面了吗？（没有