Unit3TheInternetDiscoveringUsefulStructures课件高中英语人教版

·Unit3Internet·DiscoveringUsefulStructuresTeachingobjectives:Bytheendofthisperiod,youwillbeableto…analyzetheformsandfeaturesofthepresentperfectpassivevoice.findoutthedifferencesinmeaningandfunctionbetweentheactiveandpassiveforms.masterthefunctionsofthepresentperfectpassivevoiceinthecontextanduseitinrealsituations.NewwordsThey’vebuiltakindofnewPCwithmorefunctions.functionasNewwordsHaveyouconfirmedtheWi-Fipassword?confirmsbinsthReview：过去分词的用法完成时态：have/has/had+过去分词ButtheInternethasdonemuchmoreforpeoplethansimplymakelifemoreconvenient.现在完成时态：have/has+过去分词被动语态：be+过去分词ShewassoinspiredbythepeopleshemetonlinethatshedecidedtostartanITclubtoteacholderpeoplehowtousecomputersandtheInternet.现在完成时态的被动语态？Jan’slifehasbeengreatlyimprovedbytheInternet.TheInternethasgreatlyimprovedJan’slife.MuchhasbeenwrittenaboutthewondersoftheWorldWideWeb.PeoplehavewrittenmuchaboutthewondersoftheWorldWideWeb.Lead-in:Comparisonhasbeenimproved ← hasimproved

hasbeenwritten ← havewritten

现在完成被动 ← 现在完成have/hasbeendone ← have/hasdone1.MuchhasbeenwrittenaboutthewondersoftheWorldWide

Web.Observeandtranslatethefollowingsentences,andtrytofindsomethingincommonfromthesesentences.2.People’sliveshavebeenchangedbyonlinecommunitiesand

socialnetworks.3.Manypeoplehavebeenhelpedbytheclub.…已经被书写…已经被改变have/hasbeendone

…已经被做表示“某人/某事/某物已经被…”…已经被帮助hasbeenwrittenhavebeenchangedhavebeenhelped问题导学1(1’)点拨精讲1(3’)Observeandtranslatethefollowingsentences,andfindthedifferencesamong“have/hasdone”and“have/hasbeendone”.have/hasdonehave/hasbeendone主语和动作之间是主动关系主语和动作之间是被动关系1.Awomanhasstartedasmallonlinecompanywithtwofriends.1.Asmallonlinecompanyhasbeenstartedbyawomanwithtwo

friends.2.Theinternethasmadeourlivesmoreconvenient.2.OurliveshasbeenmademoreconvenientbytheInternet.…已经开始…已经被开始…已经使…已经被使hasstartedhasbeenstartedhasmadehasbeenmadePresentation现在完成时→现在完成时的被动语态They’vebuiltakindofnewPCwithmorefunctions.

原宾语

→

新主语：

谓语动词变化：have/hasdone→have/hasbeendonehavebuilt→hasbeenbuilt

新句子：AkindofnewPChasbeenbuiltwithmorefunctions.换主语、变动词akindofnewPC现在完成时与现在完成时被动语态的动词形式找出下面句子的谓语结构，哪些是主动？哪些是被动？Jan’slifehasbeengreatlyimprovedbytheInternet.TheInternethasgreatlyimprovedJan’slife.PeoplehavewrittenmuchaboutthewondersoftheWorldWideWeb.MuchhasbeenwrittenaboutthewondersoftheWorldWideWeb.被动主动主动被动

现在完成时谓语结构

主动被动have/hasdonehave/hasbeendone......已经被......Presentation:换主语、变动词现在完成时→现在完成时的被动语态1.Ihavedownloadedthesoftwaretohelpmyphonebatterylastlonger.

原宾语→新主语：

谓语动词变化：have/hasdone→have/hasbeendonehavedownloaded→hasbeendownloaded

新句子：Thesoftwarehasbeendownloadedtohelpmyphonebatterylastlonger.2.Someonehaslostanidentitycard.

→Anidentitycardhasbeenlost.thesoftware练习Tomhasinvitedthesingeralready.Thesingerhasbeeninvited(byTom)already.Thesingerhasnotbeeninvited(byTom)yet.Hasthesingerbeeninvited(byTom)yet?Whohasbeeninvited(byTom)?

被动否定一般疑问对宾语提问即时训练Thechildrenhavealreadybeentoldthegoodnews.1.将原句变为否定句。Thechildrenhaven’tbeentoldthegoodnewsyet.2.将原句变为一般疑问句。Havethechildrenbeentoldthegoodnewsyet?3.对原句中的thechildren进行提问。Who

hasbeentoldthegoodnewsyet?PresentationAnidentitycardhasbeenlost.肯定式：主语＋have/hasbeendone...否定式：主语＋have/hasnotbeendone...Anidentitycardhasnotbeenlost.一般疑问式：Have/Has＋主语＋beendone...？Hasanidentitycardbeenlost?特殊疑问式：疑问词＋have/has＋主语＋beendone...？Whathasbeenlost?3

HaveyouconfirmedtheWi-Fipassword?→4

Haveyoupressedthebuttonyettocopythefile?→5

Hasanyonemadeacommentabouttheonlinedatabase?

→PracticeHastheWi-Fipasswordbeenconfirmed?Hasthebuttonbeenpressedyettocopythefile?Hasa/anycommentbeenmadeabouttheonlinedatabase?☛(主动)Wehavebuiltmanyhousesinthepasttenyears.→(被动)只带有一个宾语的动词变为被动语态时，将主动语态的宾语变为被动语态的主语。Manyhouseshavebeenbuiltinthepasttenyears.SVO☛(主动)Ihaveplayedthegame,GloryofKings,for10hours.→(被动)Thegame,GloryofKings,hasbeenplayedfor10hours.2.带有双宾语的动词，如等，变为被动语态时，一般将间接宾语（人）变为被动语态的主语，若将直接宾语（物）变为被动语态的主语时，间接宾语前面要用相应的介词。Wehavegivenhimthebook.→(间接宾语提前)→(直接宾语提前)Hehasbeengiventhebook.Thebookhasbeengiventohim.give,send,bring,take,teach,show,tell,make,sing,write,read,sell,buy,pay,lend,pass,promiseSVOO=Wehavegiventhebooktohim.双宾易位常与现在完成时连用的时间状语：already 已经 yet 已经recently/lately 最近 sincethen 从那时起eversince 自那以来 ever 曾经sofar 迄今为止 foralongtime 很长一段时间bynow 到现在为止 inrecentyears 在最近几年里in/during/overthepast/lastfewyears 在过去的几年里Presentation：完成时态的提示词Tallbuildings_______________(build)everywhere.havebeenbuiltMoreandmoretreesandflowers

___(plant)ontheeithersideoftheroads.havebeenplantedNoticetoparentsDearParents,Wehopeyouwillwelcomethisnews.Almost100computers_________________(give)tousbyalocalcomputercompanysincetheendoflastyear.Adecision________________（make)tobeginacomputerteachingexperimentatourschool.Ourplan

___________________(support)withtechnicalequipmentandadvicewhich___________________（provide)bytheCityInformationTechnologyCentre.Everyteacher__________________（provide)withalaptopsincethebeginningofthisterm.

havebeengivenhasbeenmadehasbeensupportedhasbeenprovidedhasbeenprovidedPractice:Workbook75-4Morerecently,mostofourcourses________________（teach)usingcomputers.We

_______________（help)inourteachingbyalotofinformationfromtheInternet.Also,anewcomputerroom________________(setup)inourschool.Wehopeyouwillbehappywiththisexcitingnewdevelopmentinourschool.havebeentaughthavebeenhelpedhasbeensetupPractice:Workbook75-4短语动词（如setup）是一个不可分割的整体，在被动语态中要保持其完整性，其中的介词或副词不可省略。BYYUSHENActivity2Changethesentencesintothepresentperfectpassivevoice.

EXAMPLEThey’vebuiltakindofnewPCwithmorefunctions.→AkindofnewPChasbeenbuiltwithmorefunctions.1

Ihavedownloadedthesoftwaretohelpmyphonebatterylastlonger.→2

Someonehaslostanidentitycard.→3

HaveyouconfirmedtheWi-Fipassword?→4

Haveyoupressedthebuttonyettocopythefile?→5

Hasanyonemadeacommentabouttheonlinedatabase?→Thesoftwarehasbeendownloadedtohelpmyphonebatterylastlonger.Anidentitycardhasbeenlost.HastheWi-Fipasswordbeenconfirmed?Hasthebuttonbeenpressedyettocopythefile?Hasa/anycommentbeenmadeabouttheonlinedatabase?BYYUSHEN1.

现在完成时的被动语态、现在进行时的被动语态及一般过去时的被动语态的区别Themachinehasbeenrepaired.（说明动作发生在过去，对现在有影响，“现在修好了”）Themachineisbeingrepairednow.（说明动作正在进行）Themachinewasrepairedyesterday.（只说明动作发生在过去）2.非延续性动词，如borrow,finish,begin,start,buy,

marry,

open,

join等构成的现在完成时的被动语态不能与表示一段时间的状语连用。若要表达相应的意思，则要改换动词或时态。例：工程已开始三个月了。

Theprojecthasbeenstartedforthreemonths.（F）

Theprojecthasbeenonforthreemonths.（T）注意Readthepoemandunderlinethepresentperfectpassivevoice.LookatthewayyourfacehasbeenwashedLookatthewayyourteethhavebeenbrushedLookatthewayyourshoeshavebeencleanedYou’dbetterdothemagain.LookatthewaytheflowershavebeenplantedLookatthewaythegrasshasbeencutLookatthewaythepathshavebeensweptIhopethatyou’llcomehereagain.Production:Poemp30-31.用现在完成时的被动语态改写、翻译句子①Jack’sbosshasalwayspraisedhimforhisdevotiontowork.Jack___________________________byhisbossforhisdevotiontowork.②Theyhavefoundagoodplacetobuildatempleinthevillage.Agoodplacetobuildatempleinthevillage___________________.③Wehaven’tyetdecided