语法6状语从句3.ppt

英语 2 48 36 李敏 让步状语从句 引导让步状语从句的连词主要有though although evenif eventhough as while whereas despitethat whatever whoever wherever whenever however whichever nomatterhow what who where when 通常作 虽然 即使 无论 尽管 解释 1 though与although同义 都作 虽然 解e g Though Althoughthefactoryissmall itsproductsareofverygoodquality 但是though可以 1 用作部分倒装 相当于as e g Oddthoughitseems Iactuallylikehousework 2 用作副词 表示 然而 但是 通常放在句末 e g Hehadtwoheartattackslastyear Ithasn tstoppedhissmoking though 2 evenif eventhough表示 即使 纵然 e g I IwillhelphimfinishhisworkevenifIhavetostayupallnight II Eventhoughitrains Iwillstillsetoffasscheduled 3 nomatter 疑问词 或 疑问词 ever 引导的让步状语从句nomatterwhat whatever nomatterwho whoever nomatterwhen whenever nomatterwhere wherever nomatterwhich whichever nomatterhow however e g I Nomatterhowhardhetried hecouldnotchangehermind II Hewon tlistenwhateveryoumaysay 4 while whereas引导让步状语从句常放在句首 表示 虽然 即使 e g I WhileIlikethecolorofthehat Idon tlikeitsstyle II WhereasIadmittheproblemsaredifficult Idon tagreethattheycannotbesolved 5 as引导的让步从句必须将从句中的强调部分 形容词 副词 名词 分词 实义动词 提前 形成部分倒装 e g I MuchasIrespecthim Ican tagreetohisproposal II Difficultasitseemed wefinallyarrivedatananswertothequestion 比较状语从句 引导比较状语从句的连词主要有than more than as as notso as as themore themore not nomore than e g I Thehouseisthreetimesasbigasours 这幢房子是我们的三倍大 II Themoreyouexercise thehealthieryouwillbe 你锻炼越多 就会越健康 III Sheisnotso asoutgoingashersister 她不如她姐姐外向 注 as as可以用在肯定和否定句中 so as一般只用在否定句中IV JackisnotmorediligentthanJohn 杰克不如约翰勤奋 方式状语从句 引导方式状语从句的连词主要有as just as so asif asthough theway 1 as just as so 在方式状语从句中 as作 如 照 像 解释 e g I DoasIsay 按我说的做 II WheninRome doastheRomansdo 入乡随俗 as也可以和so连用 构成 just as 主谓 so 主谓 的结构 意思是 正如 也一样 e g As Justaswateristofish soairistoman 人离不开空气 正如鱼离不开水 2 asif和asthoughasif和asthough两者的意义和用法相同 意思是 仿佛 似的 好像 似的 asif和asthough引导的状语从句谓语可用虚拟语气 表示与事实相反 也可用陈述语气 表示所说情况是事实或实现的可能性较大 e g I Helooksasifhehadbeenhitbylightning 他看起来好像被闪电击中了一样 与事实相反 谓语用虚拟语气 II Thetreelooksasifithasn tbeenwateredforalongtime 这棵树看起来像是很久没有浇过水了 所说的情况是事实 谓语用陈述语气 状语从句的省略用法 状语从句的省略用法可以归纳为以下两点 1 when while if asif although though as until once whether unless where等引导的从句 如果其谓语为be 而主语与主句的主语相同 则从句的主语和be可省略 有时从句的主语为it时 也可省略it或从句中的有关成分 e g I When themuseumis completed themuseumwillbeopentothepublicnextyear II He llgototheseasideforhisholidayif itis possible III WestopbyBeijingas itwas originallyplanned 2 比较状语从句中的省略e g I Weshouldnotspendmoremoneythan itis necessary II Theweatherinthesouthisbetterthan theweather inthenorth III Heismuchbettertodaythan hewas yesterday Exercises 1 1 sheisyoung sheknowsquitealot A UntilB HoweverC AlthoughD Unless2 Busy hewas hetriedhisbesttohelpyou A asB whenC sinceD for3 Theywillneversucceed hardtheytry A whicheverB howeverC wheneverD whatever4 Thehistoryofnursingis thehistoryofman A notoldasB oldthanC sooldasD asoldas 5 Johnplaysfootball ifnotbetterthan David A aswellB aswellasC sowellD sowellas6 Sorry Ihaven tbeenabletodo Ishould A asmanyasB asmuchasC asfarasD aslongas7 Everythingreturnedtonormal nothinghadhappened A asifB eventhoughC whereasD sothat8 theseexperimentsareinterestinganduseful itisimportanttorememberthattheymaynotalwaystellusmuch A WhenB UnlessC UntilD While 9 Napoleononcesaid attackisthebestmethodofdefense A IfB ThoughC AsD So10 Kellylovedherhusband hedranktoomuch A despitethatB inspiteofC forfearthat以免D nowthat既然11 Shewasuncertain tostayorleave A ifB sinceC whetherD so12 HeisnobetteratEnglish Iam A thanB asC soD lest 2 1 UnemploymentinsomelargecitieswasasoseriousABproblemthatthegovernmenthadtoprovidefreegrainCformanyoftheinhabitants D2 Theharderhetried theworsthedancedbeforeABCthelargeaudience D3 AlthoughanumberofpoliceofficerswereguidingtheABmuseum butthedirectorwasstill