Unit3TheInternetDiscoveringUsefulStructures課件高中英語人教版

·Unit3Internet·DiscoveringUsefulStructuresTeachingobjectives:Bytheendofthisperiod,youwillbeableto…analyzetheformsandfeaturesofthepresentperfectpassivevoice.findoutthedifferencesinmeaningandfunctionbetweentheactiveandpassiveforms.masterthefunctionsofthepresentperfectpassivevoiceinthecontextanduseitinrealsituations.NewwordsThey’vebuiltakindofnewPCwithmorefunctions.functionasNewwordsHaveyouconfirmedtheWi-Fipassword?confirmsbinsthReview：過去分詞的用法完成時態(tài)：have/has/had+過去分詞ButtheInternethasdonemuchmoreforpeoplethansimplymakelifemoreconvenient.現(xiàn)在完成時態(tài)：have/has+過去分詞被動語態(tài)：be+過去分詞ShewassoinspiredbythepeopleshemetonlinethatshedecidedtostartanITclubtoteacholderpeoplehowtousecomputersandtheInternet.現(xiàn)在完成時態(tài)的被動語態(tài)？Jan’slifehasbeengreatlyimprovedbytheInternet.TheInternethasgreatlyimprovedJan’slife.MuchhasbeenwrittenaboutthewondersoftheWorldWideWeb.PeoplehavewrittenmuchaboutthewondersoftheWorldWideWeb.Lead-in:Comparisonhasbeenimproved ← hasimproved

hasbeenwritten ← havewritten

現(xiàn)在完成被動 ← 現(xiàn)在完成have/hasbeendone ← have/hasdone1.MuchhasbeenwrittenaboutthewondersoftheWorldWide

Web.Observeandtranslatethefollowingsentences,andtrytofindsomethingincommonfromthesesentences.2.People’sliveshavebeenchangedbyonlinecommunitiesand

socialnetworks.3.Manypeoplehavebeenhelpedbytheclub.…已經(jīng)被書寫…已經(jīng)被改變have/hasbeendone

…已經(jīng)被做表示“某人/某事/某物已經(jīng)被…”…已經(jīng)被幫助hasbeenwrittenhavebeenchangedhavebeenhelped問題導(dǎo)學(xué)1(1’)點撥精講1(3’)Observeandtranslatethefollowingsentences,andfindthedifferencesamong“have/hasdone”and“have/hasbeendone”.have/hasdonehave/hasbeendone主語和動作之間是主動關(guān)系主語和動作之間是被動關(guān)系1.Awomanhasstartedasmallonlinecompanywithtwofriends.1.Asmallonlinecompanyhasbeenstartedbyawomanwithtwo

friends.2.Theinternethasmadeourlivesmoreconvenient.2.OurliveshasbeenmademoreconvenientbytheInternet.…已經(jīng)開始…已經(jīng)被開始…已經(jīng)使…已經(jīng)被使hasstartedhasbeenstartedhasmadehasbeenmadePresentation現(xiàn)在完成時→現(xiàn)在完成時的被動語態(tài)They’vebuiltakindofnewPCwithmorefunctions.

原賓語

→

新主語：

謂語動詞變化：have/hasdone→have/hasbeendonehavebuilt→hasbeenbuilt

新句子：AkindofnewPChasbeenbuiltwithmorefunctions.換主語、變動詞akindofnewPC現(xiàn)在完成時與現(xiàn)在完成時被動語態(tài)的動詞形式找出下面句子的謂語結(jié)構(gòu)，哪些是主動？哪些是被動？Jan’slifehasbeengreatlyimprovedbytheInternet.TheInternethasgreatlyimprovedJan’slife.PeoplehavewrittenmuchaboutthewondersoftheWorldWideWeb.MuchhasbeenwrittenaboutthewondersoftheWorldWideWeb.被動主動主動被動

現(xiàn)在完成時謂語結(jié)構(gòu)

主動被動have/hasdonehave/hasbeendone......已經(jīng)被......Presentation:換主語、變動詞現(xiàn)在完成時→現(xiàn)在完成時的被動語態(tài)1.Ihavedownloadedthesoftwaretohelpmyphonebatterylastlonger.

原賓語→新主語：

謂語動詞變化：have/hasdone→have/hasbeendonehavedownloaded→hasbeendownloaded

新句子：Thesoftwarehasbeendownloadedtohelpmyphonebatterylastlonger.2.Someonehaslostanidentitycard.

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

被動否定一般疑問對賓語提問即時訓(xùn)練Thechildrenhavealreadybeentoldthegoodnews.1.將原句變?yōu)榉穸ň?。Thechildrenhaven’tbeentoldthegoodnewsyet.2.將原句變?yōu)橐话阋蓡柧洹avethechildrenbeentoldthegoodnewsyet?3.對原句中的thechildren進行提問。Who

hasbeentoldthegoodnewsyet?PresentationAnidentitycardhasbeenlost.肯定式：主語＋have/hasbeendone...否定式：主語＋have/hasnotbeendone...Anidentitycardhasnotbeenlost.一般疑問式：Have/Has＋主語＋beendone...？Hasanidentitycardbeenlost?特殊疑問式：疑問詞＋have/has＋主語＋beendone...？Whathasbeenlost?3

HaveyouconfirmedtheWi-Fipassword?→4

Haveyoupressedthebuttonyettocopythefile?→5

Hasanyonemadeacommentabouttheonlinedatabase?

→PracticeHastheWi-Fipasswordbeenconfirmed?Hasthebuttonbeenpressedyettocopythefile?Hasa/anycommentbeenmadeabouttheonlinedatabase??(主動)Wehavebuiltmanyhousesinthepasttenyears.→(被動)只帶有一個賓語的動詞變?yōu)楸粍诱Z態(tài)時，將主動語態(tài)的賓語變?yōu)楸粍诱Z態(tài)的主語。Manyhouseshavebeenbuiltinthepasttenyears.SVO?(主動)Ihaveplayedthegame,GloryofKings,for10hours.→(被動)Thegame,GloryofKings,hasbeenplayedfor10hours.2.帶有雙賓語的動詞，如等，變?yōu)楸粍诱Z態(tài)時，一般將間接賓語（人）變?yōu)楸粍诱Z態(tài)的主語，若將直接賓語（物）變?yōu)楸粍诱Z態(tài)的主語時，間接賓語前面要用相應(yīng)的介詞。Wehavegivenhimthebook.→(間接賓語提前)→(直接賓語提前)Hehasbeengiventhebook.Thebookhasbeengiventohim.give,send,bring,take,teach,show,tell,make,sing,write,read,sell,buy,pay,lend,pass,promiseSVOO=Wehavegiventhebooktohim.雙賓易位常與現(xiàn)在完成時連用的時間狀語：already 已經(jīng) yet 已經(jīng)recently/lately 最近 sincethen 從那時起eversince 自那以來 ever 曾經(jīng)sofar 迄今為止 foralongtime 很長一段時間bynow 到現(xiàn)在為止 inrecentyears 在最近幾年里in/during/overthepast/lastfewyears 在過去的幾年里Presentation：完成時態(tài)的提示詞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短語動詞（如setup）是一個不可分割的整體，在被動語態(tài)中要保持其完整性，其中的介詞或副詞不可省略。BYYUSHENActivity2Changethesentencesintothepresentperfectpassivevoice.

EXAMPLEThey’vebuiltakindofnewPCwithmorefunctions.→AkindofnewPChasbeenbuiltwithmorefunctions.1

Ihavedownloadedthesoftwaretohelpmyphonebatterylastlonger.→2

Someonehaslostanidentitycard.→3

HaveyouconfirmedtheWi-Fipassword?→4

Haveyoupressedthebuttonyettocopythefile?→5

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

現(xiàn)在完成時的被動語態(tài)、現(xiàn)在進行時的被動語態(tài)及一般過去時的被動語態(tài)的區(qū)別Themachinehasbeenrepaired.（說明動作發(fā)生在過去，對現(xiàn)在有影響，“現(xiàn)在修好了”）Themachineisbeingrepairednow.（說明動作正在進行）Themachinewasrepairedyesterday.（只說明動作發(fā)生在過去）2.非延續(xù)性動詞，如borrow,finish,begin,start,buy,

marry,

open,

join等構(gòu)成的現(xiàn)在完成時的被動語態(tài)不能與表示一段時間的狀語連用。若要表達相應(yīng)的意思，則要改換動詞或時態(tài)。例：工程已開始三個月了。

Theprojecthasbeenstartedforthreemonths.（F）

Theprojecthasbeenonforthreemonths.（T）注意Readthepoemandunderlinethepresentperfectpassivevoice.LookatthewayyourfacehasbeenwashedLookatthewayyourteethhavebeenbrushedLookatthewayyourshoeshavebeencleanedYou’dbetterdothemagain.LookatthewaytheflowershavebeenplantedLookatthewaythegrasshasbeencutLookatthewaythepathshavebeensweptIhopethatyou’llcomehereagain.Production:Poemp30-31.用現(xiàn)在完成時的被動語態(tài)改寫、翻譯句子①Jack’sbosshasalwayspraisedhimforhisdevotiontowork.Jack___________________________byhisbossforhisdevotiontowork.②Theyhavefoundagoodplacetobuildatempleinthevillage.Agoodplacetobuildatempleinthevillage___________________.③Wehaven’tyetdecided