人教版高中英语教案选修六Unit3AhealthylifePeriod3

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1Period3Grammar—theUseof“It”(1)整体设计教学内容分析Thisteachingperiodmainlydealswiththegrammar:theuseof“it”.Theimpersonalpronoun“it”isusedfrequentlyinEnglishandhasmanydifferentfunctions.“It”canbeusedinthesubjectorobjectposition,tostandforaninfinitive,-ingformoraclause.Theimpersonalpronoun“it”canbeusedtotalkabouttime,distance,weather,etc.“It”canalsobeusedforemphasis.Inthisperiodwewillfocusononlypartofitsusages,thatis,theuseof“it”whenthesubjectofasentenceisaclause,aninfinitive,orthe-ingform.三维目标设计Knowledgeandskills1.Toletthestudentslearntheuseof“it”.2.Toenablethestudentstouse“it”correctlyandproperly.Processandmethods1.Toaskthestudentstoreadthereadingpassageagain,pickoutthesentenceswiththeword“it”inthemandwritesomeontheblackboard.2.Toaskthestudentstodiscoverhow“it”isusedinvariousways.3.ToaskthestudentstodotheexercisesinDiscoveringusefulstructuresonPage21forstudentstomastertheuseof“it”.4.Toaskthestudentstosummarizetheuseof“it”.5.ToaskthestudentstodotheexercisesinUsingStructuresonPage57andsomeotheradditionalexercisesforconsolidation.Emotion,attitudeandvalue1.Togetthestudentstobecomeinterestedingrammarlearning.2.Todevelopthestudents'abilityofcomparingandsummarizing.教学重、难点1.Togetthestudentstomasterthestructureandusagesofthepronoun“it”.2.Toenablethestudentstolearnhowtouse“it”.教学过程1Revision1.Checkthehomeworkexercises.[来源:Z。xx。k.Com]2.Dictatesomenewwordsandexpressions.3.TranslatethefollowingsentencesintoEnglish:(1)她对电视入了迷。(2)虽然有暴风雨,我们依旧准点到达了火车站。(3)我每次去访问他,他都不在。Suggestedanswers:(1)Sheisaddictedtotelevision.(2)Wearrivedatthestationinspiteofthestorm.[来源:Zxxk.Com](3)EverytimeIcallonhim,heisout.2WarmingupAskthestudentstorereadthepassageandfindoutthesentenceswiththeword“it”in2them.Forexample:(1)ItisabeautifuldayhereandIamsittingunderthebigtreeattheendofthegarden.(2)ItseemsamazingthatatmyageIamstillfitenoughtocycle20kilometresinanafternoon.(3)Yourmothertellsmethatyoustartedsmokingsometimeagoandnowyouarefindingitdifficulttogiveitup.(4)Itmighthelpyoutostopandstrengthenyourresolve.Askthestudentstothinkabouttheuseof“it”accordingtotheabovefoursentences.3GrammarlearningAskthestudentstostudythefollowingsentencesandtrytosummarizethestructureandusagesof“it”.1.Thepersonalpronoun“it”andtheimpersonalpronoun“it”.(1)Tom'smotherkepttellinghimthatheshouldworkharderbutitdidn'thelp.(2)—Whoisknockingatthedoor?—It'sme.(3)It'saboutfivekilometersfromheretotherailwaystation.(4)It'sgettingcolderandcoldereveryday.2.“It”isusedinthesubjectorobjectposition.(1)Shethoughtitnousetellinghimaboutthat.(2)IrememberImadeitcleartoyouthatIwasnotcoming.(3)It'simportanttodopropermemoryworkinthestudyofaforeignlanguage.(4)Itisnouselearningwithoutthinking.(5)Itisapitythatyoudidn'tseesuchagoodfilm.4SummingupTrytohelpthestudentsdrawthefollowingconclusions.1.“It”isaveryusefulwordandcanbeusedinmanyways.2.Thepersonalpronoun“it”cansubstitutesomethingthatismentionedbefore.Insomecertainsituations,“it”canstandforanunidentifiedpersonorababy.3.Theimpersonalpronoun“it”canbeusedtotalkabouttime,distance,weather,etc.4.“It”canactasasubjectoranobject,whiletherealsubjectorobjectcanbeputbackwardsintheformofaninfinitive,-ingformoraclause.5GrammarpracticeAskstudentstodothefollowingexercises:1.Rewritethesentencesusing“it”structuresgiven.(1)Givingupsmokingisdifficult.(Itis...)(2)Mostpeoplebelievesmokingcausescancer.(Itisbelieved...)(3)Thenightwasdarkandstormywhentheoldmanstartedhisjourney.(Itwasa...)(4)Don'tquitonastressfulday.(It'snouse...)Suggestedanswers:(1)Itisdifficulttogiveupsmoking.(2)Itisbelievedthatsmokingcausescancer.(3)Itwasadarkandstormynightwhentheoldmanstartedhisjourney.(4)Itisnousetryingtoquitonastressfulday.2.DotheremainingexercisesinExercise2inDiscoveringusefulstructuresonPage21.33.Firstaskstudentstodotheexercisesindividually,andthenletthemdiscussandchecktheiranswerswiththeirpartners,andfinallygivethemthecorrectanswersanddealwithanyproblemstheymightmeet.6Gettingmoreaboutthegrammar1.it作形式主语的几种句型①It+be+形容词/名词(difficult/necessary/arule/aduty)+for/of+sb.todosth.②It+be+形容词/名词(difficult/necessary/arule/aduty)+thatclause③It+be+过去分词(said/reported/known)+thatclause④It+be+形容词/名词(useless/nouse/nogood)+doing⑤It+takessb.sometime+todosth.⑥It+seems/appears+thatclause⑦It+seems/appears+asifclause2.it作形式宾语的特殊用法。某些及物动词或短语不能加宾语从句,此时须先用it作形式宾语,然后接宾语从句。此种用法常用于like,dislike,hate,appreciate,dependon,seeto等后。如:Ihateitwhenpeopletalkwiththeirmouthsfull.Youmaydependonitthattheywillsupportyou.I'llappreciateitifyouclosethedoorforme.Ilikeitintheautumnwhentheweatherisclearandbright.3.it引起的几个易混的时间句型1)It'stimeforsb.todosth.和It's(about/high)timethatsb.didsth.(shoulddosth.)。例如:It'stimeforustogotobed.It's(about/high)timethatwewent/shouldgotobed.注意:It's(about/high)timethat句型中,谓语动词须用虚拟语气,即用动词的过去式或“should+动词原形”(should不能省略)。(2)It/This/Thatis+thefirst/secondtime+thatsb.has/havedonesth.和It/This/Thatwasthefirst/secondtimethatsb.haddonesth.例如:Thisisthefourthtimethatshehasrungyoutoday.ItwasthesecondtimethatIhadvisitedtheGreatWalllastyear.(3)Itwillbelong/hours/days/yearsbeforesb.do/doessth.和Itwaslong/hours/days/yearsbeforesb.did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