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当前位置:首页 > 商业/管理/HR > 管理学资料 > 中考英语复习方案――状语从句课件
第二篇句法状语从句复习要点1.时间状语从句2.条件状语从句3.比较状语从句4.结果状语从句5.原因状语从句6.目的状语从句7.让步状语从句8.方式状语从句9.地点状语从句TheAdverbialClause状语从句状语从句是副词性从句,其句法功能是修饰谓语或整个句子等,在句中作状语,通常由从属连词引导。状语从句不仅是初中英语学习的重点,而且也是每年中考必考的内容之一。命题主要集中在引导状语从句的连词、状语从句的时态等方面;从九大状语从句来看,应将复习重点放在时间状语从句、条件状语从句、结果状语从句和比较状语从句这四种上。1.时间状语从句引导时间状语从句的连词有:while,when,as,assoonas,until,not…until,before,after,since,etc.1)when,while①均可表示“当……的时候”,如果主句表示的是短暂的动作,而从句表示的是一段时间,可通用。如:ImetKangLias/when/whileIwaswalkingalongthestreet.②when可与终止性动词连用,while只能与延续性动词连用。如:Itwassnowingwhenwegottotheairport.(不能用while)③while强调主句表示的动作持续于while所指的整个时间内;when可指主、从句所述动作同时或先后发生。如:Hesangashewentalong.PleasewritewhileIread.Whenhereachedhome,hehadalittlerest.难点链接2)before,afterbefore表示主句发生的动作发生在从句动作之前,意为“在……之前”。after表示主句发生的动作发生在从句动作之后,意为“在……之后”。如:TheyhadalreadyhadbreakfastbeforetheywenttoschoolTheytalkedaboutthepartyafterthepeopleleft.3)until,tilluntil直到……为止”,主句要用延续性动词;在否定句中,表示“直到……才”,主句常用终止性动词,如:Iwaiteduntilhearrived.Iwillwaituntilhecomes.Wewon'tstartuntilBobcomes.4)assoonas表示主句发生的动作发生在从句动作之后,意为“一…就…”。如果主句是一般将来时,情态动词加动词原形或祈使句时,时间状语从句用一般现在时。如:MybrotherwentoutassoonasIgothome.I'llphoneyouassoonasIarriveinTonghua.5)since:表示“自从…以来”,从句中常用过去时,主句用一般现在时或现在完成时.(对since引导的时间状语提问要用howlong).如:WherehaveyoubeensinceIsawyoulast?难点链接注意:在时间状语从句中,主句和从句之间的时态应按下列规律确定。1)主句一般将来时,从句用一般现在时(特别是用assoonas引导从句时):Theboywillbeawriterwhenhegrowsup.难点链接I’llringyouupIwillgettoNewYork.I’llringyouupassoonasIgettoNewYork.2)主句含有情态动词,从句用一般现在时:Thetrafficmuststopwhenthelightsarered.Thelightswillbered.Thetrafficwillstop.用when合成一句复合句3)主句为祈使句时,从句用一般现在时:Don’tgotobed.Youwillfinishyourhomework.Don'tgotobedbeforeyoufinishyourhomework.用before合并为一句复合句2.条件状语从句1)引导条件状语从句的连词有if,条件状语从句也像时间状语从句一样,如果主句用将来时,从句要用现在时代替将来时。如:Whatshallwedoifitsnowstomorrow?难点链接4.结果状语从句(1)结果状语从句由so…that,such…that,引导。常用句型有:so+形容词/副词+that从句sucha/an+形容词+单数可数名词+that从句such+形容词+复数可数名词/不可数名词+that从句so+形容词+a/an+单数可数名词+that从句例如:HespokesofastthatIcouldn'tfollowhim.Hetoldussuchfunnystoriesthatwealllaughed.Heissopoorthathecan’tbuyabikeforhisson.Sheissuchagoodteacherthateverybodylikesher.Mypencilfellunderthedesk,sothatIcouldn’tseeit.(2)如果名词前由many,much,little,few等词修饰时,只能用so,不用such。例如:Soonthereweresomanydeerthattheyateupallthewildroses.Hehassolittletimethathecan’tgotothecinemawithyou.难点链接(3)so…that和such...that在由so...that引导的结果状语从句中,so是副词,与形容词连用。其结构是:“...so+形容词(副词)+that+从句”。例如:Hewassogladthathecouldn’tsayaword.Thehallissobigthatitcanhold2,000people.Motherlivessofarawaythatwehardlyeverseeher.在由such…that引导的结果状语从句中,such是形容词,它修饰的可以是单数或复数可数名词,也可以是不可数名词;名词前面可以带形容词,也可不带。如果是单数可数名词,前面需加不定冠词a或an。例如:Itwassuchahotdaythatnobodywantedtodoanything.Hehadsuchlongarmsthathecouldalmosttouchtheceiling.Hemadesuchrapidprogressthathedidverywellinthemid-term.有时上述两种结构是可以互换的。例如:Itwassuchawonderfulfilmthatallofuswantedtoseeitagain.=Thefilmwassowonderfulthatallofuswantedtoseeitagain.Itissuchanimportantmatchthatnobodywantstomissit.=Thematchissoimportantthatnobodywantstomissit.难点链接5.原因状语从句(1)原因状语从句通常由because,because常回答why引导的疑问句,该从句一般位于主句后如:Hedidn’tcometoschoolbecausehewasill.(2)because表示直接原因,语气最强。because引导的原因状语从句多放在主句之后。回答由why提出的问题,例如:------Whyaren’tgoingthere?------BecauseIdon’twantto.(3)because和so不能同用在一个句子里。Theoilmustbeout,forthelightwentout.(4)because和becouseof也有明显的区别。because后面要跟从句,而becauseof后面要跟名词短语。Heislateforschoolbecauseitrainsheavily.Heislateforschoolbecauseoftheheavyrain.难点链接6.目的状语从句(1)目的状语从句通常由sothat引导。例如:Westartedearlysothatwecouldcatchthefirsttrain.Hestudieshardsothathecouldworkbetterinthefuture.难点链接(3)结果和目的状语从句还要注意以几点:①so…thatso+形容词+a+名词+that,如:Sheissobeautifulagirlthateveryonelikesher或用such+a+形容词+名词+that,如:Sheissuchabeautifulgirlthateveryonelikesher②在不可数名词或可数名词复数前只能用such,如:Itissuchgoodweatherwewanttogoforapicnic又如:Theyaresuchgoodplayersthattheyshouldwinthegame.③在much,many,few,little之前只能用so,如:IhavesolittlemoneythatIcan'tbuyit④so…that之间只有形容词时,则不能用such,如:ItissogoodthatIwanttobuy⑤sothat其后接从句,如:IgotupearliersothatIcouldcatchthefirstbus难点链接7.让步状语从句(1)让步状语从句通常由though/although(虽然),eventhough(尽管),evenif(即使),whoever(无论谁),(无论怎样),whatever(无论什么)等连词引导。例如:Thoughheisyoung,heknowsalot.AlthoughIamtired,Imustgoonworking.Evenifheispoor,shelovesherhusband.(2)because不能与并列连词so,though/although不能与but同时在句中使用。如:Shewaslateforschoolbecauseshemissedthebus.=Shemissedthebus,soshewaslateforschool.我们不能说:Thoughitwasraininghard,buthestillwentout.应该说:Thoughitwasraininghard,hestillwentout.或Itwasraininghard,buthestillwentout.难点链接1.[误]Whiletheclockstruckten,allthelightswentout.[正]Whentheclockstruckten,allthelightswentout.[析]while是强调两个动作在同时进行中,如:WhileIamdoingmyhomework,myfatherisreadinganewspaper.而这里的when是正当某某时刻,就在这一时间点上,其重点强调在某一特定时刻某动作的发生。2.[误]WhileIwaswalkingalongthestreetyesterday,Imetanoldfriend.[正]WhenIwaswalkingalongthestreetyesterday,Imetanoldfriend.[析]这里用when表达在一个动作的进行中,另一个动作突然发生了。正在进行的动作用一进行时态,而突然发生的动作用一般时态。3.[误]WhileIheardthebadnewsIfeltsad.[正]WhenIheardthebadnews,Ifeltsad.[析]while不能表达一点儿的时间,即瞬时某一时间点。4.[误]Forthereisnolightintheclassroom.Thestudentsmusthavegonehome.[正]Thestudentsmusthavegonehome,forthereisnolightintheclassroom.[析]由for引出的原因状语从句在使用时要注意不能将
本文标题:中考英语复习方案――状语从句课件
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