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2、状语从句思考：什么是从句？Idon’tknowthegirlinred.Idon’tknowthegirlwhoisplayingunderthetree.从句要素：①至少要有两个句子②要有引导词一、什么是状语从句状语的功用：状语说明地点、时间、原因、目的、结果、条件、方向、程度、方式和伴随状况等。状语一般由副词、介词短语、分词和分词短语、不定式或相当于副词的词或短语来担当。其位置一般放在句末，但也可放在句首或句中。Ididn’trealizehowspecialmymotherwasuntilIbecameanad
3、ult.Youshouldhaveputthebookwhereyoufoundit.Ididn’tgobecauseIwasafraid.二、状语从句的分类1.时间状语从句2.地点状语从句3.原因状语从句4.条件状语从句5.目的状语从句6.让步状语从句7.比较状语从句8.方式状语从句9.结果状语从句10.伴随状语从句▲常见考点：考点一、主句与从句的时态呼应问题；考点二、连接词的选择。考点三、状语从句与非谓语动词之间的替换；考点四、根据从句与主句的逻辑关系选用从属连词；
4、三、时间状语从句详解1.引导词（1）基本类：be
5、fore,after,when,while,as,since,till,until,once,assoonas.（2）名词类：（由名词词组充当引导词）themoment,theminute,thesecond,theinstant,(一…就…)everytime,eachtime,thefirsttime,thelasttime（3）副词类：（由副词充当引导词）immediately,directly,instantly(一…就…)（4）句型类：nosooner…than…,hardly/scarcely…when…（
6、一…就…）2.引导词具体讲解：当…时候：Itwassixo’clockwhenIgothome.Sbwasdoingsthwhen…1)when这时Sbwasabouttodosth/wasonthepointofdoingsthwhen…Sbhadjustdonesthwhen…既然:Itwasfoolishofyoutotakeataxiwhenyoucouldwalkthereinfiveminutes.既然你能5分钟就走到那儿，再搭出租车真是太傻了。当…时候(引导持续性动作):Hefellasleepwhile
7、hewasreadingabook.2)while然而(用于句中):HelikespopmusicwhileIamfondoffolkmusic.虽然,尽管(用于句首)Whilevolleyballishermainfocus,she’salsogreatatbasketball.当…时候;随着HesmiledpolitelyasMaryapologizedforherdrunkenfriends.3)as因为Youcan’tcontinuewiththetrainingasyouhaven’trecoveredfro
8、mtheinjury.尽管Hotas/thoughthenightairwas,wesleptdeeplybecauseweweresotiredafterthelongjourney.正如,正像Theairqualityinthecity,asisshowninthereport,hasimprovedinthelasttwomonths.肯定句:主句的谓语动词必须是延续性动词。Heworkeduntillateintothenight.4)till,until
9、否定句：主句的谓语动词是非延续性动词。7.not…un
10、til的倒装句式和强调句式Hedidn’tconsiderhavingaholidayuntilheretiredfromteachingthreeyearsago.倒装句式：Notuntilheretiredfromteachingthreeyearsagodidheconsiderhavingaholiday.强调句式：Itwasnotuntilheretiredfromteachingthreeyearsagothatheconsideredhavingaholiday.5)before在…之前,….才Wehad
11、sailedfourdaysbeforewesawland.还没来得及BeforeIcouldgetinaword,hehadmeasuredme.8.Itwas+时间段+beforesbdidsth…(…才)9.Itwillbe+时间段+beforesbdoessth(…才)Itwastwoweeksbeforewemetaga
