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1、Makingjajdifference(ThejFifthjPeriod)thefifthperiodtheinfinitiveteachingaims:summarizetheusagesoftheinfinitive.teachingimportantpoints:1. letthestudentsmastertheverbsfolloweddirectlybytheinfinitiveandtheverbsfollowedbytheobjectandtheinfinitiveastheobjectcomplementwithoutto.2. letthestudentsmasterthe
2、infinitiveasadverbial3. letthestudentsmastertheinfinitiveasattribute.teachingdifficultpoints:1. helpthestudentsmasterthefollowingsentencepatterns:itis+adj./n.+forsb./ofsb.todosth.sub.+v.+it+adj.n.+todosth.2. theperfectinfinitiveandthepassiveinfinitive.3. thenegativeformoftheinfinitive.teachingmethod
3、s.review,explanationandinductivemethodst:nowlookatthescreen,illaskthreeofyoutotelltheanswersonebyone.anyvolunteers?51: thefirstanswerisc.52: thesecondanswerisa.53: thethirdanswerisc.t:welldone!sitdownplease,whocantellmethefunctionofeachinfinitiveinthethreesentences?54: ican.suggestedanswers:1. objec
4、t2. objectcomplement3. attributestepiiiexplanationandsummaryt:asweallknow,theinfinitiveisusedastheobjectoftheverb“agree“inthefirstsentence,nowcanyouthinkofanyotherverbsfollowedbytheinfinitiveastheirobjects?55: afford,arrange,ask,beg,choose,decide,expect,fail,hope,manage,offer,pretend,promise,refuse,
5、want,wishandsoon.(writethemontheblackboard.)t:verygood,therearesomeverbsfollowedbyeithertheinfinitiveorthev.-ingform,doyouknowwhattheyare.?55: like,begin,continue,forget,regret,remember,start,stop,tryt:right,butattentionplease,theverbs“begin,continue,like,love,start“canbefollowedbyeithertheinfinitiv
6、eorthev.-ingform,(bb:begin,continue,like,love,start)andtheyhavethesamemeaning,whiletheverbs“forget,regret,remember,stop,trycanalsobefollowedbytheinfinitiveorthev.-ingform,(bbforget,regret,remember,stop,try)therearesomedifferencesbetweenthem,nowlookattheexamplesonthescreen.(showthescreen.)1. ilikepla
7、yingfootball,butidon,tliketoplayitnow.2. irememberseeingheroncesomewhere.3. imustremembertotakemynotebookswithme.t:fromthefirstsentence,weknowthev.-ingformisanactioningeneralwhiletheinfinitiveisanactiononacertainoccasion,inthesecondandthethirdsentences,thev.-ingformisusedforapasteventwhiletheinfinit
8、iveisusedforafutureaction,areyouclear?ss.yes.t:pleasetranslatethesentencesintoChinese,onestudent,onesentence.s4:我宠爱踢足球，但此时此刻不情愿。S5：我记得在哪里见过她。S6：我必需记住带上笔记本。t:good,whentheinfinitiveisusedasobjectandisfollowedbyobjectcomplement,weoftenusethisstructure,s.+v.+it+adj.in.+infinitive,(writeitontheblackboard
9、.)nowpleasemakesomesentenceswiththestructure.57: ithoughtitunnecessarytoarguewithhimaboutit.58: heconsidersithisdutytohelpothers.t:verygood,whichverbsdoyouthinkcanbefollowedbytheinfinitiveasobjectcomplement?ss:advise,allow,ask,want,wish,order,tell,have,let,make,feel,hear,watch,see.t:yes.someverbs,li
10、ke“advise,allow,ask,want,wish.wmustbefollowedbytheinfinitivewithto,whiletheverbshave,let,make,feel,hear,watch,see.wmustbefollowedbytheinfinitivewithoutto,(bb:advise,allow,ask,want,wish,order,.have,let,make,feel,hear,watch.)butyoumustntforgettointhepassivevoice,lookattheexamplesonthescreen.(showthesc
11、reen.)1. weoftenhearhersingthefolksong.=sheisoftenheardtosingthefolksong.2. thegirlwantedtogodancing,buthermothertoldhernottot:inthesecondsentence,wnotwisputbeforetheinfinitive,(bb:nottodosth.)toavoidrepetition,theverbafterthesigntoisoftenomitted,buttocantbeleftout.thisisdoneaftersuchverbsas,want,wi
12、sh,like,love,hope,plan,try,hateetc.nowlookattheexamplesonthescreen.(showthescreen.)1 .wouldyouliketocometoaparty?一idloveto.2 .haveyoulistenedno,butiplanto.3 .youdonthavetoeatitifyoudontwantto.t:whentheinfinitivephraseisusedassubject,theformalsubjectitisoftenused,thatis,wit,s+n.adj.+infinitivew.ifwen
13、eedtotellwhoperformstheactionoftheinfinitive,wecanputforsb./forsb.beforetheinfinitive,(bb:its+adj./n.+for/ofsb.+infinitive.)someadjectives,suchas,kind,good,wise,stupid,foolish,careless,clever.,mustbefollowedby“ofsb.todosth.winthiscase,thesentenceemphasizesrtper-son,ifweuse“forsb.todosth.11itemphasiz
14、es“thing,pleaselookatthesentencesonthescreenandcomparethem,thenfillintheblankswith“of”orwfor.(showtheexerciseonthescreen.)1. itissillyustobelieveher.2. itisimpossiblethetasksosoon.3. itisniceyoutohelpme.4. itisnecessaryustotakeexercise.(teacherasksfouranswers.)suggestedanswers:1. of2.for3.of4.fort:n
15、owlookatthesentencesonthescreen,payattentiontotheformsoftheinfinitiveinthesentences.1.sheaskedtobesenttoworkintibet.2. iamgladtohaveseenyourmother,3. wedidntexpectyoutobewaitingforushere.t:inthefirstsentence,thepassiveinfinitiveisused,whichexpressesapassiveaction,inthesecondsentence,weusetheperfecti
16、nfinitive,whendoyouthinktheperfectinfinitiveisused?ss:whentheactionexpressedbytheinfinitivehappensbeforethepredicate,theperfectinfinitiveshouldbeused.t:quiteright,nowlookatthethirdsentence,thecontinuousformoftheinfinitiveisused,whentheactionishappening,weusethecontinuousformoftheinfinitive.(bb:tobed
17、one,tohavedone,tobedoing)t:nowletsdoanexercise.(showtheexerciseonthescreen.)choosethecorrectanswers:1. ihavetwoletterstoday.1.1 havenoletterstoday,thankyou.a.totypeb.tobetyped3. ildliketotothecinematonight.4. i,dliketotothecinemalastnight.a.gob.havegone5. whenhismothercamein,thelittleboyjustpretende
18、d.a.toreadb.tohavereadc.tobereadd.tobereadingsuggestedanswers:1.a2,b3.a4.b5.dt:besides,theinfinitivecanalsobeusedaspredicative,attribute,adverbialforpurposeandforadisappointingsequel,nowlookatthesentencesonthescreen,payattentiontotheusagesoftheinfinitive.1. hedoesntseemtoliketheidea.2. theboyusesaco
19、mputertoplaygames.3. shehurriedtothestationonlytofindthetrainhadgone.4. thereareletterstobetyped.5. ihavenothingtodo.6. pleasepassmeapentowritewith.t:inthelasttwosentences,themeaningispassive,buttheactiveinfinitiveisused,youmustpayattentiontoit.stepivpracticeandconsolidationt:nowyouhaveknownallabout
20、theinfinitive,letsdosomeexercisestohaveaconsolidationsothatwecanuseitcorrectly,pleaselookatthescreen.fillintheblankswiththeproperformsofverbs.1. hehopes(invite)totheparty.2. mywishis(become)anengineer.3. ihavesomethingimportant(tell)you.4. theoldmanmadeitarule(take)awalkaftersupper.5. iregret(tell)y
21、outhatmysisterregretted(miss)thelecturegivenbyprofessorli.6. thebookissaid(translate)intoseverallanguages.7. thequestioniseasy(answer).8. letshurry,thereisnotime(lose).suggestedanswers：1. tobeinvited2.tobecome3.totell4.totake5.totell;missing6.tohavebeentranslated7.toanswer8.toloset:letsdoanotherexer
22、ciseonthescreen.correctthefollowingsentences.1. englishisnoteasytobelearned.2. formakingsureaboutthemeaning,ilookedupthewordinadictionary.3. pleasegivethechildsomethingtoplay.4. shedoesntliketopraise.5. hedideverythinghecouldsavetheoldman.suggestedanswers:1. tobelearned-tolearn2. formaking-tomake3.
23、toplay-toplaywith4. topraise-tobepraised5. savetosavestepvsummaryandhomework6. inthisclass,wevereviewedtheinfinitive,afterclass,youmustremembertheimportantpoints,especiallytheverbsandinwhatconditionthepassiveinfinitiveandtheperfectinfinitiveshouldbeused,areyouclear?ss:yes.t:classisover.stepvithedesi
24、gnofthewritingontheblackboardthefifthperiodtheinfinitive1. verbs:(1) (1)afford,arrange,ask,beg,choose,decide,expect,fail,hope,manage,offer,pretendpromise,refuse,want,wish(2) begin,continue,like,Iovezstart(3) forget,regret,remember,stop,try2. (1)advise,allow,ask,want,wish,order(2)have,let,make,feel,hear,watchii.sentencepatterns:1. sub.+v.+it+adj./n.+infinitive2. itis+adj./n.+forsb./ofsb.todosth.111. importantforms.1. nottodosth.2.tobedone3. tohavedone4.tobedoingstepviirecordafterteaching
