九年级英语上学期unit 4教案Word格式.docx
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九年级英语上学期unit 4教案Word格式.docx
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Wasitbrokenbyyou,S1?
(对前排的一个同学提问。
(全班笑,然后开始猜测,教师引导学生用英语表述。
S2:
Wasitbrokenby…yourself,Miss/Mr.…?
No,butitisagoodtry.
S3:
Wasitbrokenbyyourdaughter?
S4:
Wasitbrokenby…?
Exactly.Itwasbrokenbymydog.
(板书)
was/were+P.P.
(教师板书划线部分,复习一般过去时被动语态结构。
(教师事先在教室里观察,并利用一些破损的部件问学生一些问题。
T:
Wasthedeskbrokenbyyou,S5?
S5:
No,itwasn’t.
Whenwasitbroken?
Wasitbrokenyesterday?
Whowasitbrokenby?
S6:
Sorry,Idon’tknow.
OK,nooneknowswhoitwasbrokenby.
(指出其他破损的物品,如学生作业本、铅笔盒、钢笔等,要求学生仿照上面对话问答。
S7:
Aretheseyourbooks?
S8:
Yes,theyare.
Whenweretheybroken?
Theywerebrokenyesterday.
Whoweretheybrokenby?
Theywerebrokenby….
Oh,pity.
Yeah.ButIhavethemrepairedalready.
OK.Goodjob.Boysandgirls.Englishisspokenverywellbyyou.I’mproudofyou.
(因为场景明确,句型单一,大多学生能仿照句子,反应慢的学生靠单纯模仿来感悟,所以要及时鼓励,肯定他的进步,再推动他们进一步反思归纳语言结构。
(板书划线部分,引导学生记忆、比较、归纳。
am/is/are+P.P.
(为新课做铺垫。
Computersareusedwidelyineveryfield.PeoplesearchforinformationontheInternet.Scientistsresearchonittoo.
(用彩笔强调一下构词。
重读句子,对比句子,让学生自己体会和猜测词意。
Scientistsdoexperimenttoresearch.Soscientificresearchshouldbedonecarefully.
scientific
scientists
(用彩笔强调一下构词,解释词性和词义变化的通常规律,领读生词。
Step2Presentation第二步呈现(时间:
1.(呈现重点词,为降低难度,先玩一个编故事的游戏。
Boysandgirls.Let’shaveagame.I’llgiveyoufourwordsontheblackboard.Youworkingroups.Eachgroupmakesasentencewithoneofthewords.Let’sseeifwecanformastorywithfivesentences.
alien,planet,spaceship,humans’culture
(调动学生的思维也为中下层面的学生提供一个记忆单词的机会,成绩较好的学生也有机会充分发挥。
2.(呈现对话,让学生带着问题听录音。
Boysandgirls.We’lllistentothedialogandanswerthequestions:
(1)WhataretheygoingtodothisSaturdayevening?
(2)Isitamovieaboutalien?
(3)WhatcanpeopledoonMarsinthatmovie?
Boysandgirls,canyouanswerthequestionsnow?
(学生回答完问题,再次阅读1a,并注意关键信息。
(教师与学生核对答案,及时给予学生帮助并处理文中重难点。
Wewillbeabletodoanythingthatcanbedoneontheearth.(定语从句)
Payattentiontothesentencepatternandthewordsorder.
3.(情态动词的被动语态。
Lookattheblackboard,here,thissentence.Thispartismodalverbpassivevoice.Whatcanyoufind?
Howcanwewritemodalverbpassivevoice?
Comparewithpresentpassiveandpastsimplepassive.
(让学生在对比中感悟语法规则,然后教师再指正归纳。
modalverb+be+P.P.
Boysandgirls,lookatyourbooks1b.Findmodalverbpassivevoicesentence.
(指导学生独立完成1b,核对答案。
Nowlet’sreadthedialog1aaloudtogether.
Ss:
Yes.
Let’sgothroughthedialogagain.Thistimeyoushouldfindoutthekeywordswithme.
wonderfulmovie,lifeinspace,exciting
planetslikeMars,inspace,whatfun
Step3Consolidation第三步巩固(时间:
8分钟)
1.(让学生用以上列出的关键词复述对话并表演。
Boysandgirls,canyouactoutthedialog?
Yes.Let’stry.
Goodjob.
2.(学生独立完成2c。
Herearesomewords.Canyoumakesentenceswithmodalpassivevoice?
do,see,send,clone,visit
Forexample:
Humansmaybeclonedbyscientistssomeday.
S1,canyoumakeasentencewithanywordsinthebox?
S1:
Sure.Shipscanbeseeninthesea.
Spaceshipscanbesentintospace.
Marscanbevisitedoneday.
…
(教师提醒学生注意过去分词的变化。
Boysandgirls,lookat2c.Matchthetwocolumnstomakesentences.Canyoufinishitbyyourselves?
Yes,wecan.
OK,oneminute.
(核对答案,指出学生错误,表扬做得好的。
Checktheanswerswiththestudents.
Step4Practice第四步练习(时间:
1.(学习2a对话。
Listentothetapeandanswerthequestions.
(1)Howmanypeoplearethereinthedialog?
(2)Whataretheytalkingabout?
(3)WhatdoestheAmericanscientistthinkaboutaliens?
Cananybodyanswerthemnow?
S1,please!
…
(核对答案)
HethinkstheyarereadingontheInternetinordertolearnabouthumans’culture.
(领读生词,解释词形变化。
Boysandgirls,readafterme.
Canyoumakesentenceswith“inorderto”?
S2,please!
Westudyhardinordertoworkforourcountry.
Good!
Anyoneelse?
S3,please!
OK,alienssurftheNetinordertolearnabouthumans’culture.
(解释对话中的难点。
Idon’tthinkalienscanbefoundinspace.
(当think,believe,suppose,imagine,expect等动词后接的宾语从句为含有not的否定句时,该否定应移至主句,即否定主句的谓语主语。
如果主句的主语是第二、三人称,否定式一般不转移。
(学生跟读。
Pleasereadafterthetape.
(分组练习。
Practiceinpairs,please.
(请若干组学生到前面示范表演。
Let’swelcomePairAandB.
(给予及时评价,鼓励。
(完成2b。
Askandanswerthefollowingquestionsaccordingto2ainpairs.
Studentsdiscussandchecktheanswers.
(与学生核对答案,学生互评。
Nowtherearetwoplacesforyoutovisit.Oneisthemoon,theotherisSaturn(/stn/)(土星).Whichdoyouwanttochoose?
Why?
Whatkindoftransportationdoyouwant?
Pleasediscussingroupsoffourandthengivetheanswersandreasons.
G1:
WearegoingtoSaturn,becausethemoonhasbeenalreadyvisitedbyman.Wewanttoexploreanew
planet.
G2:
Wearegoingtothemoon,becauseitlookssobeautiful.
G3:
(表扬学生的丰富想像和积极思考。
Step5Project第五步综合探究活动(时间:
7分钟)
1.(听歌闯关。
Boysandgirls.Doyoulikesongs?
I’llplayasong.GirlSingingintheWreckage(《废墟中歌唱的姑娘》).
Doyoulikeit?
Yes,wedo.
Butwearegoingtowritedownthelyrics.Ifyoucanwrite,youshouldsay,“Thissentencecanbewritten.”OK?
OK.
(老师放一句歌,就问学生。
Cantheselyricsbewritten?
Yes,theycanbe.
(再放另一句并问学生。
Sorry,theycan’tbewritten.Theyaretoolong.
OK,listenagain.Cantheybewrittennow?
Yes,theycanbeheardclearlynowandtheycanbewrittennow.
(教师选择一些容易听清,曲调较慢或中速的歌曲,方便学生记忆和书写。
2.(写出下列动词的变化形式:
see-sees-saw-seen-seeing
watch-watches-watched-watched-watching
doshowflyfindsend
visitlivetalkdescribeclone
SectionB
Themainactivitiesare1a,2and3a.本课活动重点是1a,2和3a。
1.Mastersomenewwords:
basic,water,proper,risk
2.Consolidatetheusageofmodalverb+P.P.:
(1)Thepetpigshouldbetakentothehospital.
(2)Thegirlwillbewellcaredfor.
(3)Thesetreesshouldbewateredsoon.
3.TalkaboutflyingtoMarsandtheouterspace.
录音机/磁带
(检查家庭作业,提问关于太空和人类对太空的研究的一些问题。
复习,加深对情态动词被动语态的结构、变化及用法巩固,导入一部分新单词。
WhatmoviedidMichaelandJaneseeyesterday?
Theysawamovieaboutthelifeinspace.
DoesMichaelbelievetherearealiens?
No,hedoesn’tbelieveit.
Andyou?
Doyoubelievetherearealiens?
No,Idon’tbelieveit.Becausetheycannotbeseen.
(很有可能出现不同意见,那样更有利于下一步的复习提问。
Yes,Ido.
Cantheybeseenbypeople?
...
Somorescientificresearchshouldbedonecarefully.Whatcanbedonetofindoutiftherearealiensinthespace?
Satellitesandspaceshipsshouldbesentup.
Otherplanetsmaybevisited.
Goodidea.Ifpeopledomorescientificresearch,Ibelievemoreandmoreunknownthingswillbediscoveredinthefuture.
Nowwe’reatschooltolearnthebasicknowledge.Workhard,andthenwecandiscovertheworldinthefuture.
(板书新单词。
basic—thesimplestkindoratthesimplestlevel
WereyouexcitedaboutthenewsofShenzhouVI?
Yes,ofcourse.
Whatdidtheydoduringtheflight?
Theytookphotos.
TheyrecordedtheiractivitieswithaDV.
Doyouwanttoflyinthespaceshiponeday?
Yeah.
Now,manhasaplantoflytotheMars.TheastronautsfromChina,theUnitedStatesandRussiawillfinishthetasktogether.Wouldyouliketobeanastronautwhenyougrowup?
Soyouneedtolearnalotofknowledgeandmastersomebasicskills.Whatareyougoingtobeinthefuture?
S7:
Iwanttobeanastronaut.
S8:
Iwanttobeascientist.
S9:
Verygood.I’mgladtohearthatyouallwanttohaveagoodfuture.Ihopeyourdreamwillcometrue.Now,let’sseewhatMariaandKangkangwanttobewhentheygrowup.
(播放录音,让学生听一遍1a的对话。
Listencarefullyandfindout:
1.WhatisKangkanggoingtobewhenhegrowsup?
2.What’sMariagoingtodo?
(第一个问题较简单,全班一齐回答,不存在问题;
但第二个问题需要确认:
Mariawantstobeascientist.)
Readtheconversationagainandfindouttheanswerstothequestionsin1b.ThenI’dlikeyoutoaskandanswerinpairs.
(给学生三分钟时间准备。
HasMariaheardthenewsaboutthespaceflighttoMars?
No,shehasn’t.
Whowilltakepartinit?
TheastronautsfromChina,theUnitedStatesandRussia.
Whywilltheastronautstraveltospace?
TheywanttodiscoversomethingnewaboutMars.
WhatisKangkanggoingtobewhenhegrowsup?
Hewantstobeanastronaut.
WhichsubjectdoesMariaprefer?
S10:
Shepreferssciencetodancing.
SowhatisMaria’sdream?
Shewantstobeascientistinthefuture.
(学生回答问题的时候,老师记录下对话中的关键词并板书。
news,flight,takepartin,astronauts,admire
travel,discover,grow,cool,basic,dance
scientist,perform,stage,prefer,favoritebelieve
Step3Consoli
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