Unit3TheWorldofScience語(yǔ)法課PresentPerfectPassive教學(xué)設(shè)計(jì)高中英語(yǔ)外研版

課題：B3U3GrammarPresentPerfectPassive課型：新授課課時(shí)：Period12授課班級(jí)：高屆班授課人：授課時(shí)間：學(xué)習(xí)目標(biāo)：Sscanknowthedefinitionandstructureofthepresentperfectpassive;Sscanapplythepresentperfectpassiveproperlybasedonthecontext;Sscanmastertheskillsofjudingthecorrectformofpredicate;4.Sscanbuildupconfidenceinusingthepresentperfectpassive.教學(xué)重點(diǎn)：Sscanknowthedefinitionandstructureofthepresentperfectpassive.教學(xué)難點(diǎn)：Sscanapplythepresentperfectpassiveproperlybasedonthecontext.教學(xué)準(zhǔn)備：1.Multimedia;2.Blackboard&chalk;3.Textbook,etc.教學(xué)過(guò)程：Step1.Leadin【教師活動(dòng)】Greetings；WatchandThink:ShowSsavideoclipaboutthegameGloryofKings

,andguideSstothinkaboutthepositionofthephrasehave/hasbeenslain.【學(xué)生活動(dòng)】SswatchavideoclipaboutthegameGloryofKingsandthinkaboutthepositionofthephrasehave/hasbeenslain.【設(shè)計(jì)意圖】Arousestudents’interestinlearningandintroducethetopicofthepresentperfectpassive.Step2.StudyingtheRule【教師活動(dòng)】Lookandthink:AskSstolookatthesentencesfromthereadingpassageTheNewAgeofInventionandanswerthequestions.Iguessyouhavebeenaskedaboutthetitleofyourbookbefore.Newinventionslike3Dprintershavebeenusedtomakereplacementheartsandboneparts.Q1.Whathashappenedto“you”insentence(a)?A1.Q2.Whohasusednewinventionstomakereplacementheartsandbonepartsinsentence(b)?A2.AskSstoparethemwiththefollowingsentencesandanswerthequeations.Iguesssomeonehasaskedyouaboutthetitleofyourbooksbefore.Peoplehaveusednewinventionslike3Dprinterstomakereplacementheartsandboneparts.Q3.Whatisthedifferencebetweenthetwogroupsofsentences?A3.Q4.Whydoestheauthorchoosetousethepassiveforminsteadoftheactiveforminthereadingpassage?A4.【學(xué)生活動(dòng)】Sslookatthefollowingsentencesaboveandstudytheruleingroups.【設(shè)計(jì)意圖】TomakeSshaveaclearunderstandingofthestructureofthepresentperfectpassive.Step3.FindingtheRule【教師活動(dòng)】AskSstothinkaboutwhentousethePresentperfectpassive.不知或者不必說(shuō)明動(dòng)作的執(zhí)行者是誰(shuí)；Suchbookshavebeenwrittenforchildren.(2)強(qiáng)調(diào)動(dòng)作的承受者，而不是動(dòng)作的執(zhí)行者；Alltheproductshavebeentested.(3)動(dòng)作的執(zhí)行者很模糊;Theletterhasbeenopened.(4)出于禮貌避免說(shuō)出動(dòng)作的執(zhí)行者。Theyhavebeentoldmanytimesnottomakenoises.AskSstothinkabouthowtousethePresentperfectpassive?表示被動(dòng)的動(dòng)作在說(shuō)話之前已經(jīng)完成，強(qiáng)調(diào)過(guò)去的動(dòng)作對(duì)現(xiàn)在造成的影響或產(chǎn)生的結(jié)果，通常與already，yet，never，recently等副詞及時(shí)間狀語(yǔ)sofar，bynow，uptill/tonow，since等連用。Eg.Thedatabasehasalreadybeenupdated.數(shù)據(jù)庫(kù)已經(jīng)被更新了。(現(xiàn)在可以使用新的數(shù)據(jù)庫(kù)了)表示一個(gè)被動(dòng)的動(dòng)作或狀態(tài)從過(guò)去開(kāi)始一直持續(xù)到現(xiàn)在，并可能繼續(xù)持續(xù)下去，常與for或since等引出的時(shí)間狀語(yǔ)(從句)連用，或用于howlong引出的句子中。Eg.Themachinehasbeenrepairedfortwohours.這臺(tái)機(jī)器已經(jīng)被修了兩個(gè)小時(shí)了。(可能還會(huì)繼續(xù)被修)用在條件狀語(yǔ)從句中，表示將來(lái)某時(shí)已經(jīng)完成的動(dòng)作。Eg.Youshouldn’tleaveschoolbeforeyourhomeworkhasbeenfinished.在你的作業(yè)沒(méi)完成之前你不應(yīng)該離開(kāi)學(xué)校。不及物動(dòng)詞（詞組）如happen,takeplace,die,appear沒(méi)有被動(dòng)語(yǔ)態(tài)，而不及物動(dòng)詞加介詞或者副詞構(gòu)成的短語(yǔ)，相當(dāng)于及物動(dòng)詞，可以用于被動(dòng)語(yǔ)態(tài)。注意介詞和副詞不能丟掉。Eg.ThechildhasbeentakengoodcareofbyGrandmaWangalltheseyears.孩子們這些年被王奶奶照顧得很好。非持續(xù)性動(dòng)詞，如e,go,start,begin,leave,arrive,reach,get,marry,die等現(xiàn)在完成時(shí)的被動(dòng)語(yǔ)態(tài)不能和表示一段時(shí)間的狀語(yǔ)連用。若要表達(dá)相應(yīng)意思，需改變動(dòng)詞或時(shí)態(tài)。(1)Thenewcarhasbeenkeptforamonth.(buy)(2)Howlonghasthemeetingbeenon?(begin)【學(xué)生活動(dòng)】Ssfindtheruleofthepresentperfectpassivebasedonthecontext.【設(shè)計(jì)意圖】TomakeSsmastertheusageofthepresentperfectpassivethroughgroupdiscussion.Step4.ApplyingtheRule【教師活動(dòng)】AskSstorewritetheunderlinedpartsusingthepresentperfectpassive.Withinthenext80years,ourlivesmaybechangedbeyondrecognitionby3Dprinting.①Ithasalreadyaffectedmanythingsinourlives,rightdowntothefoodweeat.Forinstance,②somerestaurantsinLondonhaveserved3Dprintedhamburgerstocustomers.Butperhaps③themostsignificantsuccessthatpeoplehaveachievedtodateisinmedicine.④Theyhavemadehumanbodyparts,includingabeatingheart,with3Dprintingtechnology.Anditisnotjusthumanswhoarebenefiting—inBrazil,⑤peoplehavegivenanew3Dprintedshelltoatrutleinjuredinaforestfire!【學(xué)生活動(dòng)】Rewritetheunderlinedpartsusingthepresentperfectpassive.【設(shè)計(jì)意圖】TohelpSsconsolidatewhattheyhavelearntaboutthepresentperfectpassiveStep5.Summary【教師活動(dòng)】GuideSstosumupwhattheyhavelearntaboutthepassage.【學(xué)生活動(dòng)】Trytosummarizethecontentofthisclasswiththeguidanceoftheteacher.【設(shè)計(jì)意圖】ExerciseSs’abilityoforalexpression.Step7.HomeworkFillintheblankswithproperformsofthegivenverbs.Inthemorning,whenIwentintomylab,Ifeltextremelysurprised.Whatamessitisnow!Mylab_____________(b