2017年高二英語人教版選修8教案：Unit5MeetingyourancestorsPeriod3 Word版含解析

Unit5MeetingyourancestorsPeriod3Grammar—RevisetheVerbTenses（MainlyDealingWiththePresentPerfectContinuousTense）整體設(shè)計教學內(nèi)容分析Thisteachingperiodmainlydealswiththegrammaritem：thepresentperfectcontinuoustense，whichshowstheactionstartsinthepast，continuestillnowandwillgoon；ortheactionstartsinthepast，continuestillnowandends.Itcanalsobeconnectedwithone'semotionandattitude.Thedistinctionbetweenthepresentperfecttenseandthepresentperfectcontinuoustenseshouldn'tbeignored.三維目標設(shè)計Knowledgeandskills1．Toletthestudentslearntheuseofthepresentperfectcontinuoustense.2．Toenablethestudentstousethepresentperfectcontinuoustensecorrectlyandproperly.Processandmethods1．Toaskthestudentstoreadthereadingpassageagain，pickoutthesentencesusingthepresentperfectcontinuoustenseandwritesomeontheblackboard.2．Toaskthestudentstodiscoverhowthepresentperfectcontinuoustenseisusedinvariousways.3．ToaskthestudentstodotheexercisesinDiscoveringusefulstructuresonPage41forstudentstomastertheuseofthepresentperfectcontinuoustense.4．Toaskthestudentstosummarizetheuseofthepresentperfectcontinuoustense.5．ToaskthestudentstodotheexercisesinUsingStructuresonPage80andsomeotheradditionalexercisesforconsolidation.Emotion，attitudeandvalue1．Togetthestudentstobecomeinterestedingrammarlearning.2．Todevelopthestudents'abilityofcomparingandsummarizing.教學重點、難點1．Togetthestudentstomasterthestructureofthepresentperfectcontinuoustenseandhowitisused.2．Toenablethestudentstolearnhowtousethepresentperfectcontinuoustense.教學過程Step1Revision1．Checkthehomeworkexercises.2．Dictatesomenewwordsandexpressions.3．TranslatethefollowingsentencesintoEnglish.（1）我們所有的建議都遭到拒絕，不管它們的價值多大。________________________________________________________________________（2）他把盤子里的肉切碎。________________________________________________________________________（3）他意識到已經(jīng)做錯了事情。________________________________________________________________________Suggestedanswers：（1）Allourproposalswererejected，regardlessoftheirvalues.（2）Hecutupthemeatonhisplate.（3）Hewasawarethathehaddonesomethingwrong.Step2WarmingupAskthestudentstorereadthepassageandfindoutthesentencesusingthepresentperfectcontinuoustense.Forexample：（1）Wehave_been_excavatinglayersofashalmostsixmetresthick...（P38，L15）（2）Well，we'vebeen_findingthebonesoftigersandbearsinthecaves...（P38，L20）Askthestudentstothinkabouttheuseofthepresentperfectcontinuoustenseintheabovetwosentences.Step3GrammarlearningAskthestudentstostudythefollowingsentencesandtrytosummarizethestructureandusagesofthepresentperfectcontinuoustense.（1）TheChinesehavebeenmakingpaperfortwothousandyears.（2）IhavebeenlearningEnglishsincethreeyearsago.（3）Annisverytired.Shehasbeenworkinghard.（4）Whyareyourclothessodirty？Whathaveyoubeendoing?（5）Hehasbeencallingonherseveraltimesthisweek.（6）Wehavebeenhavingalotofrainrecently.Step4SummingupTrytohelpthestudentsdrawthefollowingconclusions.（1）Itmeanstheactionstartsinthepast，continuestillnowandwillgoon.（2）Itmeanstheactionstartsinthepast，continuestillnowandends.（3）Itcanbeconnectedwithone'semotionandattitude.Step5GrammarpracticeAskstudentstodothefollowingexercises：1．Rewritethesentencesusingthepresentperfectcontinuoustense.Thewordsinbracketsmayhelpyou.（1）Samhasjustfinishedlearningtoflyanairplaneinasix-monthcourse.（howlong）（2）Thenursesinthekindergartenhavebeenbusylookingafterthesickchildrenallday.（what）（3）Thepoorgirlhasbeencollectingseashellstomakealiving.（why）Suggestedanswers：（1）Howlonghaveyoubeenlearningtoflyanairplane，Sam?（2）Whathavethenursesinthekindergartenbeendoingallday?（3）Whyhasthepoorgirlbeencollectingseashells?2．DotheremainingexercisesinExercise2inDiscoveringusefulstructuresonPage41.Firstaskstudentstodotheexercisesindividually，andthenletthemdiscussandchecktheiranswerswiththeirpartners，andfinallygivethemthecorrectanswersanddealwithanyproblemstheymightmeet.Step6Learningmoreaboutthegrammar現(xiàn)在完成時和現(xiàn)在完成進行時的異同現(xiàn)在完成時和現(xiàn)在完成進行時均可表示從過去開始一直持續(xù)到現(xiàn)在的動作，有時兩者可換用。這兩種時態(tài)的主要區(qū)別有兩個：1．現(xiàn)在完成時表示動作已完成，著重結(jié)果；現(xiàn)在完成進行時表示動作的進行，強調(diào)動作的持續(xù)性。例如：Ihavewateredtheflowers.我已經(jīng)給花澆過水了。（已完成：你不必澆了）Ihavebeenwateringtheflowers.我一直在給花澆水。（未完成：一直在澆）2．不能用于進行時態(tài)的狀態(tài)動詞、知覺動詞或情感動詞，如be，see，feel，know，love等，不可用于現(xiàn)在完成進行時，但可用于現(xiàn)在完成時。例如：Ihaveknownherforalongtime.我認識她已經(jīng)很久了。Ihaven'tseenhimthesedays.這些日子我沒有見過他。Step7SummingupTrytohelpthestudentsdrawthefollowingconclusions.（1）Thepresentperfectcontinuoustenseshowsthecontinuityandthetemporarystateoftheaction.（2）Thedistinctionbetweenthepresentperfecttenseandthepresentperfectcontinuoustenseisthatthepresentperfectcontinuoustenseputsemphasisonthecontinuityoftheaction，whilethepresentperfecttensefocusesontheeffectonthepresentsituation.Step8PlayingagameLetstudentsplaythegame“aninterview”inpairs.LetthemtaketurnstoplaythepartofPittRivers.Seewhocancompletetheanswersinthemostinterestingwayusingthecontext.EXAMPLE：XP：Whathaveyoubeendoingrecently?PR：I'vebeen...Step9ClosingdownbyaquizShowstudentsthefollowingonthescreenorgiveouttestpaperstothem.1．Fillintheblankswiththeproperformsoftheverbsgiveninthebrackets.（1）IwonderwhyJenny____________（notwrite）tousrecently.Weshouldhaveheardfromherbynow.（2）I____________lettersthismorningand____________sixsofar.（write）（3）—Hi，Tracy，youlooktired.—I'mtired.I____________thelivingroomallday.（paint）（4）—Whydidn'tyougotoseethefilmHarryPotter?—BecauseI____________ittwice.（see）（5）Themanagerenteredtheofficeandwashappytolearnthat90%oftickets____________.（book）（6）Pricesoffoodinthatarea____________sharplysincewordcamethatthewarwouldbreakoutsoon.（goup）Suggestedanswers：（1）hasn'twritten（2）havebeenwriting；havewritten（3）havebeenpainting（4）hadseen（5）hadbeenbooked（6）havebeengoingup2．Choosethebestanswers.（1）We______forthebusforhalfanhour，butithasnotcomeyet.A．havebeenwaitingB．havewaitedC．a(chǎn)rewaitingD．havebeenwaited（2）He______articlesforourwall-newspaperforthreeyears，andhe______aboutthirtyarticles.A．haswritten；haswrittenB．hasbeenwriting；wroteC．iswriting；hasbeenwritingD．hasbeenwriting；haswritten（3）It______fortwodays.Theroadswillbeblockedifit______soon.A．snowed；won'tB．hasbeensnowing；doesn'tstopC．hassnowed；won'tstopD．snow；doesn'tstop（4）It______fortwohoursandthegroundistoowettoplayon，sothematch______.A．hasbeenraining；hasputoffB．hasrained；isputoffC．wasraining；hasbeenputoffD．hasbeenraining；hasbeenputoff（5）Hewantedtoknowhowthis______.A．hadhappenedB．happenedC．hashappenedD．hasbeenhappening（6）ChinasentupShenzhouⅦmannedspaceshipintospacesuccessfully，whichshowsscienceandtechnology______rapidlyinChina.A．hasbeendevelopingB．developsC．isdevelopingD．hasdeveloped（7）MrsWhitebecameateacherin1991.She______for20yearsbynextyear.A．willteachB．wouldhavetaughtC．hasbeenteachingD．willhavebeenteaching（8）—Hi，Tracy，youlooktired.—Iamtired.I______thecampusallday.A．cleanedB．hadcleanedC．havebeencleaningD．havecleaned（9）Nowthatsheisoutofajob，Lucy______goingbacktoschool，butshehasn'tdecidedyet.A．hadconsideredB．hasbeenconsideringC．consideredD．isgoingtoconsider（10）—Didyoufindthemissingcoupleinthemountainyesterday?—No，butwe______togetintouchwiththemeversince.A．havetriedB．havebeentryingC．hadtriedD．hadbeentryingSuggestedanswers：（1）-（5）ADBDA（6）-（10）ADCBBStep10Homework1．FinishofftheWorkbookexercises.2．PreviewthepassageonPage43，andpickoutlonganddifficultsentences.Step11Reflectionafterteaching________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________教學參考動詞時態(tài)考查要點簡述一、一般現(xiàn)在時考點分析1．表示客觀事實或普遍真理（不受時態(tài)限制）。如：Thegeographyteachertoldustheearthmovesaroundthesun.Waterboilsat100℃.2．表示現(xiàn)狀、性質(zhì)、狀態(tài)時多用系動詞或狀態(tài)動詞；表示經(jīng)常或習慣性的動作，多用動作動詞，且常與表頻率的時間狀語連用。如：Icefeelscold.Wealwayscare_foreachotherandhelpeachother.3．see，hear，smell，taste，feel，notice，agree，believe，like，hate，want，think，belong，seem等表示知覺、態(tài)度、感情、某種抽象的關(guān)系或概念的詞常用于一般現(xiàn)在時。如：Iknowwhatyoumean.Smithownsacarandahouse.Allthestudentsherebelong_toNo.1MiddleSchool.4．在時間、條件狀語從句中常用一般現(xiàn)在時代替將來時。但要注意由if引導(dǎo)的條件狀語從句中可以用shall或will表“意愿”，但不表示時態(tài)。如：Ifyouwill_acceptmyinvitationandcometoourparty，myfamilywillbepleased.如果你愿意接受邀請參加我們的舞會，我的家人會非常高興。5．少數(shù)用于表示起止的動詞如come，go，leave，arrive，fly，return，start，begin，pen，close，end，stop等常用一般現(xiàn)在時代替將來時，表示一個按規(guī)定、計劃或安排要發(fā)生的動作。如：Theshopclosesat11:00p.m.everyday.6．當be表示根據(jù)時間或事先安排肯定會出現(xiàn)的狀態(tài)時，只用一般現(xiàn)在時。如：TomorrowisWednesday.二、一般過去時的考點分析1．一般過去時的基本用法：表示過去的事情、動作或狀態(tài)，常與表示過去具體時間的狀語連用（或有上下文語境暗示），用于表達過去的習慣。Imetherinthestreetyesterday.Ioncesawthefamousstarhere.2．表示說話人原來沒有料到、想到或希望的事通常用過去時。如：Ithoughtthefilmwouldbeinteresting，butitisn't.3．如果從句中有一個過去的時間狀語，盡管從句中的動作先于主句發(fā)生，但其謂語動詞仍用過去式。如：Hetoldmehereadaninterestingnovellastnight.4．由but，and，when，assoonas，immediately，themoment，theminute連接的兩個緊接著發(fā)生的動作，用一般過去時。如：Heboughtawatchbutlostit.Themomentshecamein，shetoldmewhathadhappenedtoher.5．常用一般過去時的句型：Whydidn'tyou/Ithinkofthat?Ididn'tnoticeit.IforgottotellyouIhadbeentherewithmybrotherbefore.Ididn'trecognizehim.三、一般將來時考點分析1．表示未來的動作或狀態(tài)常用will/shall＋動詞原形（常與表示將來的時間狀語tomorrow、nextweek等連用）。如：Itwill_befinetomorrow.2．表示一種趨向或習慣動作。如：We'll_diewithoutairorwater.3．表示趨向行為的動詞如come，go，start，begin，leave等常用進行時的形式表示將來時。如：Waitforalittlewhile.Iam_coming.4．begoingto與will/shall，betodo，beabouttodo用法及區(qū)別：begoingto表示現(xiàn)在打算在最近或?qū)硪瞿呈?，這種打算往往經(jīng)過事先考慮，甚至已作了某種準備；shall/willdo表示未事先考慮過，即說話時臨時作出的決定。begoingto表將來，不能用在含條件狀語從句的主句中；而will則能，表意愿。如：Ifitisfine，we'll_gofishing.（正確）Ifitisfine，wearegoing_to_gofishing.（錯誤）betodosth.表示按計劃、安排即將發(fā)生的動作，還可表示吩咐、命令、禁止、可能性等。如：Ameetingis_to_be_heldat3:00o'clockthisafternoon.beabouttodosth.表示“即可，就要”，后面不能接時間狀語或狀語從句。如：Autumnharvestisabouttostart.四、現(xiàn)在進行時考點分析1．表示說話時正在發(fā)生著的一個動作；表示現(xiàn)階段但不一定是發(fā)生在講話時；表近期特定的安排或計劃；go，come等起止動作可用進行時代替將來時。如：Itis_rainingnow.Heis_teachingEnglishandlearningChinese.Iam_meetingMr.Wangtonight.Weare_leavingonFriday.AtsixIam_bathingthebaby.（Istartbathingthebabybeforesix.）Thegirlisalwaystalkingloudinpublic.（與always，often等頻度副詞連用，表經(jīng)常反復(fù)的行動或某種感情色彩）2．下面四類動詞不宜用現(xiàn)在進行時。（1）表示心理狀態(tài)、情感的動詞：like，love，hate，care，remember，believe，want，mind，wish，agree，mean，need。（2）表存在的狀態(tài)的動詞：appear，exist，lie，remain，seembelongto，dependon。（3）表示一時性動作的動詞：allow，accept，permit，promise，admit，complete。（4）表示感官的動詞：see，hear，notice，feel，smell，sound，taste，look。五、過去完成時考點分析1．常用過去完成時的幾種情況：（1）在by，bytheendof，bythetime，until，before，since后接表示過去某一時間的短語或從句以前發(fā)生的動作。如：Bytheendoflastyear，wehadproduced20000cars.Thetrainhadleftbeforewereachedthestation.（2）表示曾實現(xiàn)的希望、打算、意圖、諾言等，常用hadhoped/planned/meant/intended/thought/wanted/expected等表示，或用上述動詞過去式接不定式完成式表示，即：“hoped/planned...＋tohavedone”。（3）“時間名詞＋before”在句子中作狀語，句子用過去完成時；“時間名詞＋ago”在句中作狀語，句子用一般過去式。如：Hesaidhisfirstteacherhad_diedatleast10_years_before.XiaoHualeftschool3_years_ago.（4