高中英语人教版选择性必修第三册复习课：Unit 4 语法和写作.pptx

高中英语选择性必修第三册复习课程Unit4语法和写作

PresentPerfectContinuousTense（现在完成进行时）LearningObjectivesAftertheclass,you’llbeableto…1.knowthebasicstructure,functionsandusagesofthepresentperfectcontinuoustense.distinguishthepresentperfectcontinuoustensefromthepresentperfecttense.usetherelevantgrammarflexiblyandauthenticallyinrealsituations.

ⅠLead-inActivity1:ObserveandDiscover

ListentoanEnglishsongandtrytofillintheblanks.I__________________withashadowoverheadI__________________withacloudabovemybedIhavebeenlonelyforsolongTrappedinthepast,Ijustcan’tseemtomoveonI__________________allmyhopesanddreamsawayJustincaseIeverneedthemagainsomedayI__________________asidetimetoclearalittlespaceinthecornersofmymind……havebeenlivinghavebeensleepinghavebeenhidinghavebeensettinghavebeendoing/hasbeendoingThePresentPerfectContinuousTenseActivity1:ObserveandDiscover

ThinkingandLearningⅡActivity2:Drawamindmapofthebasicstructure

①动作发生在过去，刚终止，不再继续下去②动作发生在过去，还将继续下去Thestructureandusagesofthepresentperfectcontinuoustensehave/hasbeendoinghave/has+donebe+doingPresentPastFuture①动作发生在过去，到现在终止②动作持续Activity2:Drawamindmapofthebasicstructure表示一段时间的状语连用，例如：allthetime,severaltimes,thisweek,allnight/morning,thesefewdays,over/inthepastfiveyears,for…,since…,等。

Lookatthesentencesfromthetextanddiscussthefunctionofthetense.P38ThisistheadventurethatIhavebeendreamingof.P38Wearenowcampedontheiceandwehavebeenmanagingtosurvive.P39Wehavebeenstrugglingfordays,butthingsonElephantIslandaregoingfrombadtoworse.Activity3：Thinkandfindfunctionsofthetense

表示动作从过去某时开始一直到说话时还在进行或可能还要继续下去表示在一段持续的时间内动作的多次重复，而这个重复的动作在说话时并不一定在进行。P38ThisistheadventurethatIhavebeendreamingof.P38Wearenowcampedontheiceandwehavebeenmanagingtosurvive.P39Wehave