外研版-必修2-Module-5--时间状语从句-教案设计

外研版必修2Module5时间状语从句教案设计1/7NESBook2Module5:NewspapersandMagazinesGrammar(Adverbialclauseoftimeandreason)Teachers:YanyurongliujunxianTeachingAim:Tolearntheusageofadverbialclausesoftimeandreason.Letstudentshaveagoodcommandofdifferentconjuctionswhichareusedintheclauses.Importantpointanddifficultpoints:Trainstudents’abilitiesofusingtheclauses.TeachingProcedures:Step1presetationHello,everyone,we'lllearntheadverbialclause.Asweknow,theadverbialclausecanmodifyaverbjustlikeanadverb.Itcanbemovedwithinthesentence.Whentheclauseisplacedatthebeginningofthesentence,acommaisusedtoseparateitfromthemainclause.Nocommaisrequiredwhentheadverbialclausecomesattheendofthesentence.Therearemanyclausesaboutadverbal.Todaywemainlytalkaboutadverbialclauseoftimeandreason.Step2;thesummaryofthegrammar.一、时间状语从句1.assoonas“一……就……”引导时间状语从句连词还有themomentimmediatelyNosooner..........than.....theminutedirectlyHardlyhadsb.donewhen....didtheinstantinstantlyScarcely..........when...e.gThemomentshecomes,I'llcallyou.Shelefthereimmediatelytheclockstruck12.Hardlyhadhegotoffthebuswhenheheardaloudnoise.Teacher语:时间状语从句1、表示“一…就”常见的连词有十个assoonas第一组：the+名词themoment/theminute/theinstant第二组：ly形式immediately/directly/instantly第三组倒装句/Nosooner…than/Hardly…when/Scarcely…whenThemomenthecomes,I'llcallyou.他一来，我就给你去电话Shelefthereimmediatelytheclockstruck12.当钟一敲到12点时，她就离开了这里Hardlyhadhegotoffthebuswhenheheardaloudnoise他一下了车，就听到了一声巨响.提醒同学们Hardly.....when...../Nosooner......than......./Scarcely.....when...主句用过去完成时，从句用一般过去时。2.when,while,as引导时间状语从句when从句的动词可指一个时间点，也可指一段时间幻灯1幻灯2外研版必修2Module5时间状语从句教案设计2/7while从句的动词××只指一段时间（进行时）as从句的动词可指一个时间点或段（一边，一边）Itwasrainingwhenwearrived.Mymothercameinwhile(when)Iwasdoingmyhomework.IamsafewhileIamhere.Hehurriedhome,lookingbehindashewent.AsIleftthehouse,Iforgotthekey.Teacher:2、when,while,as引导时间状语从句when即可指一个时间点，也可以指一段时间，可表示主从句动作，同时或先后发生，用法比较多。Itwasrainingwhenwearrived.我们到达时，天正在下雨。while只指一段时间，从句中的动词不能用终止性动词，强调某一段时间内，主从句动作同时发生。MymothercameinwhileIwasdoingmyhomework..当我在做作业时，妈妈进来了。IamsafewhileIamhere.我在这儿的时候，我很安全。as引导时间状语从句，强调主从句短暂动作或事情同时发生，不指先后。译作“一边…一边…”Hehurriedhome,lookingbehindashewent.他匆忙的回家，边走边向后看。AsIleftthehouse,Iforgotthekey.我离开家时，忘记了带钥匙。注意事项：1）主句与时间状语从句的时态原则是主将从现Willyoupleasebringmeyourbookwhenyoucomeheretomorrow?2）主从句主语一致可用省略形式，从句改用分词做状语Whencomparedwiththesizeofthewholeearth,thebiggestoceandoesn'tseembigatall.(04湖北)Havingwaitedinthequeueforhalfanhour,Tomsuddenlyrealizedhehadlefthiswalletathome.(04北京)Teacher:注意事项：1）主句与时间状语从句的时态原则是主将从现Willyoupleasebringmeyourbookwhenyoucomeheretomorrow?你明天来这里时把你的书带给我好吗？2）主从句主语一致，从句改用分词做状语Whencomparedwiththesizeofthewholeearth,thebiggestoceandoesn'tseembigatall.(04湖北)与整个地球相比，最大的洋根本显不出大来。此句主语是物，与compare成被动关系用过去分词Havingwaitedinthequeueforhalfanhour,Tomsuddenlyrealizedhehadlefthiswalletathome.(04北京）站队半个小时，汤姆突然发现他的钱包落在家里。Tom与wait表主动关系，并且动词有先后次序，用现在分词的完成时幻灯3幻灯4外研版必修2Module5时间状语从句教案设计3/73)when/while连词引导并列句▲was/wereabouttodo…when（这时------表同时）was/weregoingtodo…whenwas/wereonone'sway…whenwas/wereonthepointofdoing…whenwas/weredoing…whenhaddone…whenJasminewasholidayingwithherfamilyinawildlifeparkwhenshewasbittenonthelegbyalion.(04上海）▲.........while........（然而------表反比）IdoeverysinglebitofhouseworkwhilemyhusbandBobjustdoesthedishesnowandthen.(04全国III)Teacher:3)when/while做连词引导并列句。when译为这时，表同时，所构成的并列句句型有▲was/wereabouttodo…whenwas/weregoingtodo…whenwas/wereonone'sway…whenwas/wereonthepointofdoing…when刚好做某事。。。这时was/weredoing…when正好做某事。。。这时haddone…when刚好做完某事。。。这时Jasminewasholidayingwithherfamilyinawildlifeparkwhenshewasbittenonthelegbyalion.(04上海）载思敏与家人在野生动物园玩，这时她被一只狮子咬伤了腿。▲.........while........（然而------表反比）IdoeverysinglebitofhouseworkwhilemyhusbandBobjustdoesthedishesnowandthen.(04全国III)我只做一点家务活，而我丈夫鲍泊却经常洗碗。3.before引导时间状语从句1)“还没等”谓语不用否定式。Beforetheygottothebusstop,thebushadgone2）“…（之后）才/就”（before引导的从句位于主句之后）ItwaseveningbeforewereachedthelittletownofWinchester.(04天津)3）固定句型：Itwill(not)besometimebefore…do…Itwas(not)sometimebefore…did…Itwon’tbelongbefore…do…Itwasn’tlongbefore…did…Teacher:3.before引导时间状语从句1)“还没等”谓语不用否定式。Beforetheygottothebusstop,thebushadgone。还没等他们到达汽车站，汽车已经开走了。幻灯5外研版必修2Module5时间状语从句教案设计4/72）当before引导的从句位于主句之后，译成“…才/就”，ItwaseveningbeforewereachedthelittletownofWinchester.(04天津)到了晚上我们才到达Winchester小镇3）固定句型：Itwill(not)besometimebefore…do…Itwas(not)sometimebefore…did…Itwon’tbelongbefore…do…Itwasn’tlongbefore…did…4.until/till(till不用于句首或强调句)引导时间状语从句1)...not...until/till...直到…才Hedidn’tgotobeduntilhehadfinishedhiswork.2)...until/till..直到...为止Weweretoldthatweshouldfollowthemainroaduntilwereachedthecentralrailwaystation.(04辽宁）3)强调句式Itisnotuntil…that.…Itwasnotuntilmidnightthathewentbackhomeaftertheexperiment.(04湖北)4)Notuntil放在句首时，主句倒装。NotuntilhecameclosetomedidIrecognizehim.Teacher:4.until/till(till不用于句首及强调句)，引导时间状语从句1)...not...until/till...直到…才主句谓语是终止性动词用否定式Hedidn’tgotobeduntilhehadfinishedhiswork.直到完成工作他才睡觉。2)...until/till..直到...为止主句谓语是延续性动词用肯定Weweretoldthatweshouldfollowthemainroaduntilwereachedthecentralrailwaystation.(04辽宁）有人告诉我们应该沿着主干道走直到我们到达中央火车站。3)Itisnotuntil…that.…强调句式Itwasnotuntilmidnightthathewentbackhomeafterth