高中英语人教大纲第二册下Unit20 Archaeology第五课时.docx
- 文档编号:3793625
- 上传时间:2022-11-25
- 格式:DOCX
- 页数:13
- 大小:37.30KB
高中英语人教大纲第二册下Unit20 Archaeology第五课时.docx
《高中英语人教大纲第二册下Unit20 Archaeology第五课时.docx》由会员分享,可在线阅读,更多相关《高中英语人教大纲第二册下Unit20 Archaeology第五课时.docx(13页珍藏版)》请在冰豆网上搜索。
高中英语人教大纲第二册下Unit20Archaeology第五课时
2019-2020年高中英语(人教大纲)第二册下:
Unit20Archaeology(第五课时)
TeachingAims:
Reviseandsumuptheuseof“it”.
TeachingImportantPoint:
Mastertheuseof“it”,especiallytheemphaticuseandtheuseasapreparatorysubjectorapreparatoryobject.
TeachingDifficultPoint:
Howtomastertheuseof“it”correctly.
TeachingMethods:
1.Havingalittlequiztorevisethemonuseof“it”.
2.Inductivemethodtogothroughsomeimportantsentencepatternswith“it”.
3.Practicetoconsolidatetheuseof“it”.
TeachingAids:
1.aprojectorandsomeslides
2.theblackboard
TeachingProcedures:
☞StepⅠGreetings
Greetthewholeclassasusual.
☞StepⅡTest
T:
Inthelasttwoperiods,werevisedtheuseof“it”.Nowlet’shaveatest.(Teachershowsthefollowingonthescreen.)
Tellwhattheword“it”referstoanditsfunctions:
1.It’sdifficulttorememberalltheirnames.
2.It’sveryquietinthecafe.
3.Itrainedforthreedays.
4.Hemadeitclearthathedidn’twanttospeaktome.
5.Itwasniceseeingyou.
6.ItwasonTuesdaythatMrsSmithcame.
7.It’sthreemilestothenearestgarage.
8.Atallmanstoodupandshookhands.ItwasCaptainLawie.
9.Ihearyouboughtanewbike.Canyoushowittome?
10.Itwasfiveo’clockwhenwegotbackhomeyesterday.
T:
NowI’llgiveyouthreeminutestowritedownyouranswersonapieceofpaper.Thenlet’schecktheanswerstogether.
(Sscanexchangetheirpapersformentandcorrection.)
Suggestedanswers:
1.apreparatorysubjectforaninfinitive
2.refertothepresentsituation
3.refertoweather
4.apreparatoryobject
5.apreparatorysubjectforan“-ing”form
6.emphasizetheadverbialoftime
7.refertodistance
8.refertoapersonwhenweareidentifyingsomebody(sayingwhosomebodyis)
9.refertotheword“bike”mentionedearlier
10.refertotime
☞StepⅢRevisionandInduction
T:
Welldone.Youarealreadyfamiliarwiththemonuseof“it”.Next,let’srevisesomeimportantsentencepatterns.Now,let’sdoanexercise.Lookatthescreen.
pletethesentences,payingattentiontothestructuresofthemandtheuseof“it”.
1.______(据报道)thatdozensofchildrendiedintheaccident.
2.______(真遗憾)thathecan’tswimathisage.
3.______(很可能)thattheywillbeatustonight.
4.______(看来)thatheenjoyspopsongsverymuch.
5.______(仍然是一个问题)whenweshallhaveoursportsmeet.
6.______(还不确定)whetherhecanattendthisconferenceornot.
7.______(不要紧/没关系)whetherwegotogetherorseparately.
8.It’suptoyou______(决定是否接受这项工作)。
9.Itisimportant______(我们学英语).
10.Itiskind______(你们帮助我).
11.Ittookmefivedays______(解决这个问题).
12.It’snouse______(与她争论).
T:
Nowpleaseworkinpairstodoitandyoucanwritedowntheanswersonapieceofpaper.ThenI’llcheckyouranswers.(Ifnecessary,teachermaygivesomeexplanations.)
Suggestedanswers:
1.Itwasreported…
[Itbe+p.p.(known,thought,told,believed,hoped…)+that-clause]
2.Itisapity…
[Itbe+n.(anhonour,agoodthing,afact,asurprise…)+that-clause]
3.Itislikely…
[Itbe+adj.(wonderful,true,important,surprising,clear…)+that-clause]
4.Itseems…
[Itseems/appears/happens+that-clause]
5.Itisstillaquestion…
[Itbe+n.+wh-/how-clause]
6.Itisuncertain…
[Itbe+adj.(notdecided,uncertain)+wh-/how-clause]
7.Itdoesn’tmatter…
[Itdoesn’tmatter(It’snowonder;Itdoesn’tmaketoomuchdifference…)+wh-/how-clause]
8.…todecidewhethertotakethejobornot
[It’suptosb.todosth.]
9.…forustolearnEnglish
[Itbe+adj.(difficult,easy,hard,important…)forsb.todosth.]
10.…ofyoutohelpme
[Itbe+adj.(kind,nice,brave,clever,stupid…)ofsb.todosth.]
11.…tosolvetheproblem.
[Ittakes(took)sb.…todosth.]
12.…arguingwithher
[It’snouse(nogood,useless)doingsth.]
(TeacherwritesthestructuresontheBbonebyonewhilecheckingtheanswers.)
T:
Lookattheblackboardnow.Inallthesestructures,“it”isusedaspreparatorysubjects.Canyoutellmetherealsubjectsinthem?
Ss:
Yes.Infinitives,-ingformsandclauses.
T:
Quiteright.Youshouldrememberandoftenusethesestructures.Besides,“it”canbeusedinsomeotherstructurestoexpress“time”.Let’sdoanotherexerciseonthescreen.
pletethesentences
1.______(已经有三年了)sincehisfatherpassedaway.
2.______(不久)thepolicearrived.
3.______(已经八点了)whenwegothome.
4.______(该……的时候了)shewrotealettertoherboyfriend.
5.______(这是第一次)thattheseEuropeanshavevisitedtheGreatWall.
6.______(我们该)togotoschool.
(Sspreparefirst.Thenteachercheckstheanswersandsumsupthestructureswiththewholeclass.Atthesametime,teacherwritesthestructuresontheblackboard.)
Suggestedanswers:
1.Itis/hasbeenthreeyears…
[Itbe+sometime+since…]
2.Itwasnotlongbefore…
[Itbe(not)+long(days,weeks,months…)before…]
3.Itwasalreadyeighto’clock…
[Itbe+definitetime+when…]
4.Itis(high)time(that)…
[Itbe(high)time+(that)…]
5.Itisthefirsttime…
[Itbe+thefirst(second,third…)time+that-clause]
6.Itistimeforus…
[Itbetimeforsb.todosth.]
T:
Well,wealsoknowthat“it”canbeusedasanpreparatoryobject.Let’sdoanexercise.Lookatthescreen.
Rewritethefollowingsentences,using“it”asapreparatoryobject.
1.Tomakeotherslaughisdifficult.(Ifound…)
2.Tohelphimismyduty.(Iconsider…)
3.Thatweshouldkeepcalmisimportant.(Ithink…)
4.Thatheobjectedtotheproposalisclear.(Imade…)
T:
NowIwantsomeofyoutorewritethesentencesonebyone.LiHao,thefirstone.
S1:
Ifounditdifficulttomakeotherslaugh.
T:
Thesecondone,WangHua.
S2:
Iconsideritmydutytohelphim.
T:
…
S3:
Ithinkitimportantthatweshouldkeepcalm.
S4:
Imadeitclearthatheobjectedtotheproposal.
T:
Welldone.Fromthesesentences,weknowthatthemoneststructurewith“it”asapreparatoryobjectis“subject+vt.+it+adj./n.+todosth./that-clause.Someverbslike“find,feel,think,consider,make”areoftenusedinthisstructure.Areyouclearaboutit?
Ss:
Yes.
(Bb:
subject+vt.+it+adj./n.+todosth./that-clause)
T:
Well,besidestheuseasapreparatorysubjectorobject,weallknow“it”canbeusedtogivespecialemphasistoalmostanypartofasentenceexcepttheverb.Canyoutellmetheemphaticstructure?
Ss:
Yes.Itis“Itbe+theemphasizedpart+who/that…”.
(Teacherwritesthestructureontheblackboard.)
T:
Quiteright.Nowlet’slookatthescreenanddoanotherexercise.(Teachershowsthefollowingonthescreen.)
Correctmistakesifthereareany.
1.ItishethatIwanttosee.
2.ItisIwhoisleavingforLondonnextweek.
3.ItwasonTuesdaywhenMrsSmithcame.
T:
Who’dliketodothefirstone?
Anyvolunteer?
S1:
Letmetry,“him”shouldbeusedinsteadof“he”,becausetheemphasizedpartisanobject.
T:
Quiteright.Thesecondone?
S2:
“is”after“who”shouldbereplacedby“am”toagreewith“I”inpersonandnumber.
T:
…
S3:
“when”shouldbereplacedby“that”togivespecialemphasistotheadverbialoftime.
T:
Youareallright.You’vemasteredthissentencestructureverywell.NowIwillshowyousomeothersentences.(Teachershowsthemonthescreen.)
1.Itismyturn.
2.Let’scallitaday.
3.Iftheteacherseesyoudoingthat,youwillcatchit.
4.Goahead,we’llmakeitintheend.
5.—Iwillstudyhardinthefuture.
—That’sit.
6.Takeiteasy.
T:
Nowpleaselookatthesentencesonthescreen.I’dlikeyoutotranslatethemintoChinese.Anyvolunteer?
S1:
轮到我了。
S2:
今天就到这里吧。
S3:
如果老师看到你这么做,你就会挨批评。
S4:
继续干吧,我们最终会成功的。
S5:
—今后我会努力学习的。
—这就对了。
S6:
别着急。
T:
Verygood.Wecanseeinthesesentences,“it”hasnospecialmeaning.Isthatclear?
Ss:
Yes.
T:
Well,nowlet’sdomoreexercisestofurthermastertheuseof“it”.
☞StepⅣPractice
(Teachershowsthefollowingonthescreen.)
Choosethebestanswers:
1.Is______necessarytopletethedesignbeforeNationalDay?
A.thisB.thatC.itD.he
2.Sheheardaterriblenoise,______broughtherheartintohermouth.
A.itB.whichC.thisD.that
3.Tom’smotherkepttellinghimthatheshouldworkharder,but______didn’thelp.
A.heB.whichC.sheD.it
4.______isafactthatEnglishisbeingacceptedasaninternationallanguage.
A.ThereB.ThisC.ThatD.It
5.Ihopethereareenoughglassesforeachguesttohave______?
A.itB.thoseC.oneD.them
6.—Whydon’tyoutakealittlebreak?
—Didn’twejusthave______.
A.thatB.thisC.oneD.it
7.Idon’tthink______possibletomasteraforeignlanguagewithoutmuchmemorywork.
A.thisB.thatC.itsD.it
8.—Hewasnearlydrownedonce.
—Whenwas______?
—______wasinxxwhenhewasinmiddleschool.
A.that;ItB.this;ThisC.this;ItD.that;This
9.Theweatherturnedouttobeverygood,______wasmorethanwehadexpected.
A.whatB.whichC.thatD.it
10.Was______thatIsawlastnightattheconcert?
A.ityouB.notyouC.youD.thatyourself
(TeachergivestheSssomeminutestoprepare,thencheckstheanswerswiththewholeclass.)
Suggestedanswers:
1~5CBDDC6~10CDABA
☞StepⅤSummaryandHomework
T:
Inthisclass,werevisedtheuseof“it”bydoingsomeexercises,especiallytheuseasapreparatorysubjectorobjectandtheemphaticuseof“it”.Afterclass,youshouldpractisemoreandtrytousethesentencestructuresontheblackboard.Areyouclearaboutit?
Ss:
Yes.
T:
Somuchfortoday.Bye.
Ss:
Bye.
☞StepⅥTheDesignoftheWritingontheBlackboard
Unit20Archaeology
TheFifthPeriod
TheUseof“it”
Ⅰ.PreparatorySubject
1.Itbe+p.p./n./adj.+that-clause
2.Itseems/appears/happens+that-clause
3.Itbe+n./adj.+wh-/how-clause
4.Itdoesn’tmatter(It’snowonder…)+wh-/how-clause
5.It’suptosb.todosth.
6.Itbe+adj.+for/ofsb.todosth.
7.Ittakessb.…todosth.
8.It’snousedoing…
Ⅱ.Structurestoexpress“time”
1.Itbe+…+since…
2.Itbe(not)+long(days,weeks…)+before…
3.Itbe+…when…
4.Itbe(high)time(that)…
5.Itbethefirst(second…)time+that-clause
6.Itbetimeforsb.todosth.
Ⅲ.PreparatoryObject
Sub
- 配套讲稿:
如PPT文件的首页显示word图标,表示该PPT已包含配套word讲稿。双击word图标可打开word文档。
- 特殊限制:
部分文档作品中含有的国旗、国徽等图片,仅作为作品整体效果示例展示,禁止商用。设计者仅对作品中独创性部分享有著作权。
- 关 键 词:
- 高中英语人教大纲第二册下Unit20 Archaeology第五课时 高中英语 大纲 第二 Unit20 Archaeology 第五 课时