Unit3TheInternet五步教学法语法聚焦现在完成时被动语态课件高中英语人教版

Unit3TheInternetPassivevoiceinthepresentperfecttense1.Toreviewthepresentperfecttense2.TolearnthepassivevoiceinthepresentperfecttenseLearningaimsLeadinHaveyoueverplayedthisgame?HonorofKingAnenemyhasbeenslained.Anallyhasbeenslained.Youhavebeenslained.WhatdothesesayingsmeaninChinese?Step1:Self-learning自主学习1.We'veknownhimsincewewerenineorten/for6years.2.Inthepastfewyears,hehasmadegreatprogress.3.Ihaverecentlyreadaveryinterestingbook.4.Sofar,Ihaven'tmetanyproblems.5.HehasbeentotheUnitedStatesthreetimes.6.Shehasjusthadbrunch.7.Theyhaven'tdecidedwheretogoforvacationyet.Readthesesentences.'veknownhasmadehave

readhavemethasbeenhas

hadhavedecided现在完成时基本构成:have/has+ved(动词过去分词)常与现在完成时连用的时间状语

already已经(肯定句)

yet已经（否定句或者疑问句）recently/lately最近ever曾经just刚刚eversince自那以来

since+时间点sofar迄今为止for+时间段bynow/uptonow到现在为止once/twice/threetimesinrecentyears在最近几年里in/during/overthepast/last...months/years在过去的....月/年里inthepast10years在过去的十年间/overthelastdecadeStep2:Exploring探究新知1.He

hasbeenknownsincewewerenineorten/for6years.2.Inthepastfewyears,greatprogresshasbeenmadebyhim.3.Averyinterestingbookhasbeenreadrecently.4.Sofar,anyproblemshaven'tbeenmetbyme.5.TheUnitedStateshasbeenvisitedthreetimesbyhim.6.Brunchhasjustbeenhad.7.Wheretogoforvacationhasn'tbeendecidedyet.现在完成时被动语态构成:have/has+been+ved(动词过去分词)hasbeenknownhasbeenmadehasbeenreadhavebeenmethasbeenvisitedhasbeenhadhasbeendecidedManyhouses

(destroy)bythedisasteralready.havebeendestroyedSeriesofHarryPorterbooks

(write)byJ.K.Rowlinguptonow.havebeenwritten用法1:被动动作发生在过去,已经完成;或强调对现在造成影响或产生结果。Step3:Focusing精讲点拨Anewlibrary

(build)sincetwoyearsago.hasbeenbuiltPapermoney

(use)forover1000years.hasbeenused用法2:被动动作发生在过去,持续到现在,并有可能继续

持续下去。肯定形式：Histaskshavebeencompleted.否定形式：Histaskshavenotbeencompleted.一般疑问句:Havehistasksbeencompletedyet?特殊疑问句：Howlonghavehistasksbeencompleted?主语+have/hasbeendone...主语+have/hasnotbeendone...have/has+主语+beendone...?疑问词+have/has+主语+beendone...?现在完成时被动语态的结构形式1.Papermoney____________(use)foroverathousandyears.

2.—_____thewatch____________(return)toMr.

Brown?—No.It’sstillonthesofa.3.Greatchanges___________(take)placeinChinaandalotofnewroads______________(build).hasbeenusedHasbeenreturnedhavetakenhavebeenbuilt用括号内动词的正确形式填空。Step4:Practising有效训练4.—Howlong_____________________(lose)?

你钥匙丢了多久？

—Foratleast3hours.5.Whenandwheretospendthethree-dayvacation__________________(not,decide)yet.6.Ourlivingconditions______________(improve)inthepast20years.7.Allthepreparationsfortheparty

__________________(complete),andwe’rereadytostart.havebeenimprovedhavebeencompletedhasnotbeendecidedhaveyourkeysbeenlost1.Morepublictransport_____________(build)inChina,

makingiteasierforpeopletotravel.2.Despitethepreviousroundsoftalks,noagreement________________(reach)sofarbythetwosides.3.I______________(show)aroundtheWaterCubeformanytimessinceitwasbuilt.hasbeenbuilt高考链接hasbeenreachedhavebeenshownStep5:Reflecting反思升华1.圈主：原句动词的宾语变成被动句的主语；2.定数：根据新的主语确定用have还是has；3.成句：have/has与原句ved之间加been如何将现在完成时句子变被动语态？Theyhavecleanedtheroomalready.Theroom单数hascleanedbeenalreadybythem.用将下列句子改成被动语态。1.Wehavebuiltthenewrailwaylinebynow.Thenewrailwaylinehasbeenbuiltbynow.2.Thelittlechildhasdownloadedthesoftwaretohelpus.

Thesoftwarehasbeendownloadedtohelpusbythelittlechild.3.Thecarfactoryhasproducedmanyfinecarssincelastyear.Manyfinecarshavebeenproducedbythecarfactorysincelastyear.现在完成时的被动语态含义结构表示过去发生的被动动作现在已经完

成或仍将持续,强调对现在的影响have/hasbeendone形式肯定式否定式疑问式have/hasbeendonehave/hasnotbeendoneH