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时间:2019-10-15
《2019_2020学年高中英语Module2DevelopingandDevelopedCountriesSectionⅢGrammar——连词教案》由会员上传分享,免费在线阅读,更多相关内容在教育资源-天天文库。
1、SectionⅢ Grammar——连 词语境自主领悟先观察原句后自主感悟1.Norwayisatthetopofthelist,whiletheUSisatnumber7.2.InthelasttenyearsinChina,150millionpeoplemovedoutofpoverty.However,thechallengesarestillgreat.3.Althoughmorethan80%ofchildrenindevelopingcountriesgotoprimaryschool,about115millionchildrenarenotbeingeduc
2、ated.4.Morethan1billionpeopleindevelopingcountriesdonotdrinksafewater.However,inotherregionsoftheworld,e.g.EasternEurope,waterisnowmostlysafetodrink.5.Thereportshowsthatwearemakingsomeprogressbutthatweneedtomakegreaterefforts.6.Althoughdevelopedcountriesgivesomefinancialhelp,theyneedtogivem
3、uchmore.1.1句中while表示对比或相反的情况,意为“然而”。2.由2、4、5句可知,but是一个并列连词,而however用作副词。3.3、6句中although引导让步状语从句,可以与though互换。连词是连接单词、短语、从句或句子的一种虚词,在句中不单独作任何成分,但大多数连接词都有具体的意义和用法。本单元主要学习表示转折关系的连词but,however,although/though,while等。1.but和however的用法两者都意为“但是;然而”,均表示转折关系,但用法有所不同。(1)but用作并列连词,用来连接并列句子或并列成分,表示强烈对比、转
4、折,两个并列成分之间可以用逗号隔开,也可不用,但是but后面不用逗号隔开。Heisashyman,butheisnotafraidofanythingoranyone.他是一个腼腆的人,但是他不害怕任何事情或任何人。[名师点津] but作连词还可用于“I'msorry/Excuseme,but...”句式中表示歉意,but本身没有意义。I'msorry,butIcan'thelpyouwiththeproblem.很抱歉,我不能帮你解决这个问题。(2)however作副词时,表示“然而,可是,不过”,用以引出令人吃惊或表示对比的话语,可放在句首、句中或句末,但要用逗号隔开。I
5、'dliketogowithyou,however,myhandsarefull.我很想和你一块去,可是我太忙了。Youmayberight.However,IstillwanttodowhatIplanned.你也许是对的,但我还想按我计划的去做。[名师点津] however作连词时,表示“无论如何,不管怎样”,相当于nomatterhow,引导让步状语从句,从句可放在主句之前或之后。常构成:however/nomatterhow+adj./adv.+主语+谓语。However/Nomatterhowhardyoutry,itisdifficulttoloseweightw
6、ithoutcuttingdowntheamountyoueat.不管你多么努力,如果不减少饭量,减肥很难。Hetrieshisbesttosolvetheproblem,howeverdifficultitis.他尽力解决这个问题,不管它有多困难。[即时演练1] 用but/however填空①Heisyoungbutveryexperienced.②Howeverlongittakes,I'mgoingtogetthejobfinished.③Later,however,hechangedhismind.2.although和though的用法(1)although和tho
7、ugh都是引导让步状语从句的从属连词,意为“尽管,虽然”,一般情况下可互换。但although较正式,多用于句首,而though在非正式文体中较为普遍。Although/Thoughthesemeasuresarenoteffectiveforever,theyarevitalfornow.虽然这些措施并不能永远有效,但它们目前是至关重要的。[名师点津] although和though都不能和并列连词but连用,但可以和yet或still连用。(2)though引导让步状语从句时可用部分倒装形式,其用法
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