2017年高二英語人教版選修8教案：Unit3InventorsandinventionsPeriod3 Word版含解析

Unit3InventorsandinventionsPeriod3Grammar—RevisethePastParticipleastheAttribute，PredicativeandObjectComplement整體設(shè)計(jì)教學(xué)內(nèi)容分析Thisteachingperiodmainlydealswiththegrammaritem：thepastparticiple.IntheEnglishlanguage，thepastparticipleoftheverbhastwoforms，regularformandirregularform.Inthisperiodwewillmainlytalkaboutthepastparticipleusedastheattribute，predicativeandobjectcomplement.三維目標(biāo)設(shè)計(jì)Knowledgeandskills1．Togetthestudentstorevisethedifferentformsandusagesofthepastparticiple.2．Toenablethestudentstousethepastparticipleastheattribute，predicativeandobjectcomplementcorrectlyandproperly.Processandmethods1．Toaskthestudentstopickoutthesentencesincludingthepastparticiple（astheattribute，predicativeandobjectcomplement）fromthereadingpassageandtranslatethemintoChinese.2．Toaskthestudentstodiscovertheusagesofthepastparticiple（astheattribute，predicativeandobjectcomplement）bycomparingalotofexamplesentences.3．ToaskthestudentstodotheexercisesinDiscoveringusefulstructuresonPage24forthemtomasterthepastparticipleform.4．ToaskthestudentstodotheexercisesinUsingStructuresonPage65andsomeotheradditionalexercisesforconsolidation.Emotion，attitudeandvalue1．Togetthestudentstobecomeinterestedingrammarlearning.2．Todevelopthestudents'abilityofcomparingandsummarizing.教學(xué)重點(diǎn)、難點(diǎn)1．Togetthestudentstomasterthestructureandusagesofthepastparticipleform.2．Toenablethestudentstolearnhowtousethepastparticipleformcorrectly.教學(xué)過程Step1Revision1．Checkthehomeworkexercises.2．Dictatesomenewwordsandexpressions.3．TranslatethefollowingsentencesintoEnglish：（1）但是，看來只有毒殺蛇的藥粉。________________________________________________________________________（2）第二天早晨我的手里拿了一個捕魚的小網(wǎng)。________________________________________________________________________Suggestedanswers：（1）Butthereonlyseemedtobepowdersdesignedtokillsnakes.（2）ThenextmorningIcarriedinmyhandasmallnetusedforcatchingfish.Step2WarmingupAskthestudentstogobacktoPage19andstudythefollowingtwosentencesinPre-readingandtranslatethemintoChinesepayingspecialattentiontotheirverbforms：1．Doyouknowthestageseveryinventormustgothroughbeforetheycanhavetheirinventionapproved?________________________________________________________________________2．Inventingisascientificactivityandsofollowssimilarstagestothoseusedinscientificresearch.________________________________________________________________________Tellthestudentsthatthetwosentencesaboveincludethepastparticipleformanddiscussitwiththem.Thenaskthestudentstothinkoverthequestion“Whatisthepastparticipleform？”Suggestedanswers：1．你了解每個發(fā)明家在使發(fā)明獲得認(rèn)可之前必須經(jīng)歷的階段嗎？（過去分詞作賓補(bǔ)）2．發(fā)明是一種科學(xué)活動，因此必須遵循與科學(xué)研究所經(jīng)歷的相似的階段。（過去分詞短語作后置定語）Step3Grammarlearning1．Askthestudentstostudythefollowingsentencesandtrytosummarizethestructuresandthemeaningsofthepastparticipleforms.（1）ThefirstthingIdidwastoseeiftherewereanyproductsthatmighthelpme，butthereonlyseemedtobepowdersdesigned_to_kill_snakes.（作后置定語）（2）Thecriteriaaresostrictthatitisdifficulttogetnewideasacceptedunlesstheyaretrulynovel.（作賓語補(bǔ)足語）（3）．..soAlexanderbecameinterestedinhelpingdeafpeoplecommunicateandindeafeducation.（作表語）（4）Onedayashewasexperimentingwithoneendofastrawjoinedtoadeafman'seardrumandtheothertoapieceofsmokedglass...（作賓語補(bǔ)足語）2．Askthestudentstostudythefollowingsentencespayingattentiontothedifferencebetweenthepastparticipleformsandothernon-predicateformswhenusedastheattribute.Studytherule（1）ChinaisstilladevelopingcountrywhiletheUnitedStatesisadevelopedone.（2）Therisingsunismorebeautifulthantherisensun.（3）Weallgotfrightenedatthefrighteningcreature.（4）Iwillbuythebeautifulhousebuiltbythelargecompanylastyear.（5）Iwillbuythebeautifulhousebeing_builtbythelargecompanynow.（6）Iwillbuythebeautifulhouseto_be_builtbythelargecompanynextyear.Findtherule（1）不及物動詞的現(xiàn)在分詞往往表示正在進(jìn)行，過去分詞表示完成；及物動詞的現(xiàn)在分詞往往表示主動，過去分詞表示被動。（2）常見的及物動詞interest，surprise，astonish，encourage，tire，move，puzzle，satisfy，inspire等常用其過去分詞描述人的心情感受，用其現(xiàn)在分詞描述某物或某事。（3）句（4）中的過去分詞表示被動和完成；句（5）中的現(xiàn)在分詞的被動結(jié)構(gòu)表示正在進(jìn)行；句（6）中的不定式的被動結(jié)構(gòu)表示將來。3．Askthestudentstostudythefollowingsentencespayingattentiontothedifferencebetweenthestructureof“be＋pastparticipleforms”andthepassivevoice.Studytherule（1）Iwas_pleased_byhiswords.他的話讓我很高興。（被動結(jié)構(gòu)，表示動作）（2）Iam_pleased_withhiswords.我對他的話感到滿意。（系表結(jié)構(gòu)，表示狀態(tài)）（3）Thegroundwas_covered_bythicksnow.地面被厚厚的積雪所覆蓋。（被動結(jié)構(gòu)，表示動作）（4）Thegroundis_covered_withthicksnow.地面覆蓋著厚厚的積雪。（系表結(jié)構(gòu)，表示狀態(tài)）（5）Thevillagewas_surrounded_bytheenemy.那個村莊被敵人包圍了。（被動結(jié)構(gòu)，表示動作）（6）Thevillageis_surrounded_withtalltrees.那個村莊被大樹包圍著。（系表結(jié)構(gòu)，表示狀態(tài)）Findtherule一般而言，please，cover，surround等動詞的過去分詞后用介詞by構(gòu)成被動結(jié)構(gòu)，表示被動動作；用其他介詞如with，at等，則構(gòu)成系表結(jié)構(gòu)，表狀態(tài)。4．Askthestudentstostudythefollowingsentencespayingattentiontothedifferencebetweenthepastparticipleandthepresentparticiplewhenusedasthepredictive.Studytherule（1）Howthepooryoungboymanagedtogotothekeyuniversityissurprising.（2）Almosteveryoneissurprisedthatthepooryoungboymanagedtogotothekeyuniversity.（3）Whentheprofessorcamein，heremainedseated.（4）NosoonerhadIstoodupthanhewavedmetoremainsitting.Findtherule（1）常見的及物動詞interest，surprise，astonish，encourage，tire，move，puzzle，satisfy，inspire，disappoint，amaze等，常用其過去分詞描述人的心情感受，用其現(xiàn)在分詞描述某物或某事。（2）remainseated＝remainseatingoneself＝remainsitting。4．Askthestudentstostudythefollowingsentencespayingattentiontothedifferencebetweenthepastparticipleandthepresentparticiplewhenusedastheobjectcomplement.Studytherule（1）Ifoundtheboycoming_into_the_library.（2）Ifoundthethieftied_to_the_tree.（3）Whentheoldmancamebacktohishometown，hefoundthevillagechanging_every_day.（4）Whentheoldmancamebacktohishometown，hefoundthevillagechanged_completely.（5）Withtheboyleading_the_way，wehadnodifficultyinfindingthefactory.（6）Withallthehomeworkdone，theywenttoplayfootballontheplayground.Findtherule1．現(xiàn)在分詞作賓語補(bǔ)足語時，賓語往往與賓補(bǔ)是邏輯上的主動關(guān)系，如句（1）中的theboy和come，句（5）中的theboy和lead；或者表示正在進(jìn)行，如句（1）和句（3）。2．過去分詞作賓補(bǔ)則賓語往往與賓補(bǔ)構(gòu)成邏輯上的被動關(guān)系，同時表示該動作已經(jīng)完成，如句（2）中的thethief和tie，如句（4）中的thevillage和change，句（6）中的homework與done。Step4SummingupTrytohelpthestudentsdrawtheconclusion：Thepastparticipleformisoftenusedastheattribute，predicativeandobjectcomplement.Step5GrammarpracticeAskstudentstodothefollowingexercises.1．Puttheverbsintothecorrectform.（1）JohnSnowtoldthestoryaboutthe______（astonish）peopleinBroadStreet.（2）Thereisacar______（park）outsidethehouse.（3）Theexperience______（gain）willbeofgreatvaluetous.（4）Theseseatsare______（reserve）foryou.（5）Don'tdrinkthe______（pollute）water.（6）The______（worry）motherlookedather______（worry）son，looking______（worry）．（7）Stayawayfromthe______（burn）coal.（8）Theyoftensawthenaughtyboy______（beat）byhisstepmother.（9）BecauseofmypoorEnglishI'mafraidIcan'tmakemyself______（understand）．（10）Hejumpedoutofthewayofthe______（approach）train.Suggestedanswers：（1）astonished（2）parked（3）gained（4）reserved（5）polluted（6）worried；worrying；worried（7）burning（8）beaten（9）understood（10）approaching2．DoExercise2inDiscoveringusefulstructuresonPage24.3．DotheexercisesinUsingStructuresonPage64.Firstaskstudentstodotheexercisesindividuallyandthenletthemdiscussandchecktheiranswerswiththeirpartners，andfinallygivethemthecorrectanswersanddealwithanyproblemstheymightmeet.Step6LearningmoreaboutthegrammarAskstudentstogobacktoPages20-21andreadthroughthereadingpassageTheProblemoftheSnakestopickoutthesentenceswiththepastparticipleformandthentranslatethemintoChinese.Step7ClosingdownbyaquizShowstudentsthefollowingonthescreenorgiveouttestpaperstothem.1．Ifelldownandbrokethreeofmyteeth.IwonderhowmanytimesIhavetocomehereandgetmyfalseteeth______.A．fixB．fixingC．fixedD．tofix2．Helookedaroundandcaughtaman______hishandintothepocketofapassenger.A．putB．tobeputtingC．toputD．putting3．Itisbelievedthatifabookis______itwillsurely______thereader.A．interested；interestB．interesting；beinterestedC．interested；beinterestingD．interesting；interest4．Throughouthistory，thelanguage______byapowerfulgroupspreadsacrossacivilization.A．speakingB．spokenC．tospeakD．tobespoken5．—Canthose______atthebackoftheclassroomhearme?—Noproblem.A．seatB．sitC．seatedD．seating6．—Howdoyoudealwiththedisagreementbetweenthecompanyandthecustomers?—Thekey______theproblemistomeetthedemand______bythecustomers.A．tosolving；makingB．tosolving；madeC．tosolve；makingD．tosolve；made7．Theboytriedhisbesttomakehimself______inhis______English.A．understood；breakingB．understand；brokenC．understand；breakingD．understood；broken8．Thetrafficproblem，whichweareexpecting______，shouldhaveattractedthelocalgovernment'sattention.A．seeingtosolveB．toseetosolveC．toseesolvedD．seeingsolvingSuggestedanswers：1-5CDDBC6-8BDCStep8Homework1．FinishofftheWorkbookexercises.2．ReviewthepassageonPage20andpickoutthesentenceswiththepastparticiple.Step9Reflectionafterteaching________________________________________________________________________________________________________________________________________________________________________________________________________________________教學(xué)參考過去分詞的用法一、過去分詞作表語1．及物動詞的過去分詞作表語，與句子主語是被動關(guān)系，表示主語的狀態(tài)，既表示被動，又表示完成。如：Thecupisbroken.茶杯破了。2．不及物動詞的過去分詞作表語，表示主語的狀態(tài)，只表示動作的完成。如：Heisretired.他已退休。3．有些過去分詞作表語時，構(gòu)成的謂語很接近被動結(jié)構(gòu)。如：Thecityis_surroundedonthreesidesbymountains.這座城市三面環(huán)山?！咀⒁?】過去分詞作表語與被動語態(tài)的區(qū)別：過去分詞作表語，主要是表示主語的狀態(tài)，而被動語態(tài)則表示動作。如：Thecupwas_brokenbymylittlesisteryesterday.茶杯是昨天我小妹打碎的。（被動語態(tài)，表示動作）Thelibraryisnowclosed.圖書館關(guān)門了。（過去分詞作表語，表示主語的狀態(tài)）【注意2】過去分詞表示被動或完成；-ing形式表示主動或進(jìn)行。有些動詞如interest，bore，worry，surprise，frighten等通常用其過去分詞形式來修飾人，用-ing形式來修飾物。如：ThebookisinterestingandI'minterestedinit.這本書很有趣，我對它很感興趣。二、過去分詞作定語作定語用的過去分詞相當(dāng)于形容詞，其邏輯主語就是它所修飾的名詞。及物動詞的過去分詞作定語，既表被動又表完成；不及物動詞的過去分詞作定語，只表完成。1．單個的過去分詞用作定語，常置于其所修飾的名詞之前。如：Wemustadaptourthinkingtothechangedconditions.我們必須使我們的思想適應(yīng)改變了的情況。2．過去分詞短語用作定語時，一般置于其所修飾的名詞之后，其意義相當(dāng)于一個定語從句，但較從句簡潔，多用于書面語中。如：Theconcertgiven_by_their_friendswasasuccess.他們朋友舉行的音樂會大為成功。3．過去分詞短語有時也可用作非限制性定語，前后常有逗號。如：Themeeting，at