牛津译林版（2019）必修三《Unit 2 Natural disasters》Grammar and usage教案设计

《英语》（必修-第三册）Unit2Natural disastersGrammarand usageI.Learning objectivesBythe endof thelesson,students willbe ableto:

1.understand thefunctions of Zo-infinitives asattributives andadverbials of result;

2.use Zo-infinitives asattributives andadverbials of result properlyin different situations;

3.rewrite apassage using to-infinitives.IL Keycompetence focusUseto-infinitives asattributives andadverbials ofresult correctlyand properly.III Predictedarea ofdifficulty

1.Use Zo-infinitives asattributives andadverbials ofresult innew situations.

2.Rewrite apassage usingZo-infinitives.IV.Teaching proceduresStep1Lead-inT:Hello,everyone.Last periodwe readtwo news reports aboutthe luckyescapes fromtwo naturaldisasters.First,Td liketo showyour somesentences in these twonewsreports.•Alice Brown,head teacherat FalmontPrimary School,was teachingwhen thefloor beganto shake.•The momentthe shakingstopped,Miss Brownsensed itwas the best timefor theclass to make theirescape.•She signalledto herstudents toexit theclassroom inan orderlyline coveringtheir headswith theirhands.•The kids were calmenough toprotect themselvesduring the earthquake.•We practiseearthquake safetyprocedures twicea year,“said MissBrown,so thekidswere calmenough toprotect themselvesduring theearthquake.^T:In allthese sentences,there9re to-infinitives used as differentsentence elements.In today9s class,wewill explorethe rulesconcerning to-infinitives asattributives andadverbials ofresult andlearn tousethem indifferentsituations.【设计意图学生在初中阶段已经接触过动词不定式的一部分用法，所以先在学生相对熟悉的语境中呈现含有动词不定式的句子，然后再呈现新的语法知识一一动词不定式作定语和结果状语，用这个方法帮助学生建立新旧知识之间的联系，从而顺利过渡到新知识的学习】Step2Exploring the rule concerningZo-infinitives asattributives

1.T asksSs tofind outZo-infinitives asattributives inthe interview.T:Below isan interviewbetween Annaand herteacher,Mr Li,about hisexperiences duringa hurricane.Find the sentences with/o-infinitives asattributives.The firstone hasbeen donefor you.Example:I wasstaying inAtlanta,and thatwas oneof thecities to be hit.T:To behit isa Zo-infinitive as an attributiveused tomodify oneof thecities.T:Please findout allthe sentenceswith Zo-infinitives asattributives inthe interview.

2.T asksSs towork outthe ruleaccording tothe abovesentences.•When the to-infinitive isused asan attributive,it isoften putafter thenoun orpronoun it modifies.

3.T asksSs tothink aboutthe logicalrelationship between theto-infinitive asan attributive and the nounor pronoun itmodifies.Example:He is the best man tochoose.T:We canunderstand thesentence intwo ways.First,thesentencecan beinterpreted as“He isthe bestmanto makethe choice.^^The relationship between thebest manand tochoose isthat ofsubject andverb.Second,“He isthebestman thatwe canchoose.The relationship betweenthebestmanand tochoose isthatof verband object.

4.T asksSs toread the following the sentences andwork outthe logicalrelationshipbetweentheto-infinitive asan attributiveand thenoun orpronoun itmodifies.一•A personneeds justthree thingstobetruly happyintheworld someoneto love,something todoand something to hopefor.verb-object•Wise menspeak becausethey havesomethingto say;fools becausethey havetosaysomething,verb-object•Clint wasthe secondperson tosuivive intheearthquake,subject-verb•The needto loveand tobe lovedis universal,apposition•In orderto grow,people needto havea willingnessto takerisks andto acceptthe possibilitythat theymayfail atfirst,apposition，-

5.T summarizesthe logicalrelationshipbetweenthe infinitive asanattributiveandthenounorpronounitmodifies.

6.T asksSs torewrite the following sentences,using to-infinitives asattributives.•No otherlocal beachessurvived thedisaster withoutany lossof lifebesides Goldshore Beach.一GoldshoreBeachistheonly localbeach tosurvive thedisaster withoutany lossof life.•Why dontyou geta backpackYou cancarry your disaster supplies in it.—Why dontyou geta backpackto carryyourdisastersuppliesin•She expressedher wish.She wantedto goback afterthe floodstruck herhometown.一She expressedher wishto goback afterthe floodstruck herhometown.【设计意图让学生认识到动词不定式作定语在句中的位置，并体会动词不定式作定语时与所修饰的名词或代词之间的逻辑关系，然后设计句子改写的练习，通过实践活动让学生了解如何在句子中使用动词不定式作定语，从而对动词不定式作定语有更深刻的理解，为最后在语篇中使用动词不定式打下基础】Step3Exploring therule concerningto-infinitives as adverbials ofresult

1.T asksSs toread the interview againand findout to-infinitives asadverbials ofresult.Example:That morning,I turnedon theTV forsome localnews,only tohear thata hurricanewas onitsway.T:Only tohear isa Zo-infinitiveasan adverbialofresult.T:Please findout allthesentenceswith Zo-infinitives asadverbials ofresult intheinterview.

2.T asksSs towork outtheruleaccording tothe abovesentences.•When theto-infinitive isusedasan adverbialofresult,it canrefer toan unexpectedresult.In thiscase,we oftenuse onlybefore the/o-infinitive.

3.T asksSs togo throughthefollowing sentences andfigure outthe frequentlyused structureofinfinitives asadverbials ofresult.•Its never too lateto learn,too...to...•I wasfortunate enough to getthe ticket....enough to...•Jane sangso wellas tocome outfirst inthe singingcompetition.so...as to...•He lefthome,never toreturn,neverto...

4.T asksSs togo throughthefollowing sentences andthink aboutother functionsofZo-infinitives asadverbials.•To protectyourself froma typhoon,follow theproper safetyprocedures.•During a typhoon,you shoulddo yourbest tokeep yourhead.•Pay attentionto newsupdate toconfirm whetherthe dangeris gone.T:7b-infinitives canalso functionasadverbialsof purpose.

5.T asksSs tocomplete thefollowingsentences.•我匆忙赶到家，结果发现所有的家具都被洪水冲走了I hurriedhome,only tofind allthe furniturehad beenwashed awayby theflood.•她很漂亮，吸引了我们所有人She isso beautifulas toattract allof us.•这箱子太沉了，我挪都挪不动The boxis tooheavy forme evento move.•不要逃避问题要想成功，你得学会应对难题Dont avoidthe problem.To succeed,you haveto tackleyour difficulties.

6.T asksSs torewrite thefollowingsentences,using to-infinitives asadverbials.•We cannotstop naturaldisasters butwe canarm ourselveswith knowledge.In thisway,we canmakefull preparationsfbr disasters.一We cannotstop naturaldisasters butwe canarm ourselveswith knowledgeso astomakefullpreparations fbrdisasters.•The kidswere verycalm.They can protect themselvesduring theearthquake.一The kidswerecalmenoughtoprotect themselvesduring theearthquake.•Follow theproper safetyprocedures sothat youcanprotectyourself froma typhoon.—To protectyourself fromatyphoon,follow theproper safetyprocedures.【设计意图在学生认识到动词不定式作结果状语的功能和在句中的位置之后，引导学生总结常见的动词不定式作结果状语的句型，并通过例句复习动词不定式作状语表示目的的用法之后通过完成句子和改写句子的练习，让学生了解如何在句子中如何使用动词不定式作状语,教学内容的设计始终以学生最后能够在语篇中使用动词不定式为导向】Step4Applying therules

1.T asksSs tofinish Blon page21of thetextbook.

2.T asksSs tofinish B2on page21of thetextbook.

3.T asksSs tofinish B3on page21of thetextbook.

4.T asksSs torewrite apassage,usingto-infinitives.【设计意图这个步骤为学生提供了更多的练习，旨在让学生在感受、熟悉动词不定式作定语和结果状语的用法后，再在新语境中进行模仿和操练，内化所学知识，是语法知识在句子层面和语篇层面中的运用层层深入的活动设计体现了“学习理解一应用实践一迁移创新”英语学习活动观】V HomeworkFinishthe exerciseC onpage64of thetextbook.。