高考英语语法一轮复习 状语从句课件2.ppt

三 高考热点问题 1 状语从句的时态在时间 条件和让步状语从句中常常用一般现在时代替一般将来时 一般过去时代替过去将来时 现在完成时代替将来完成时 Youwon tunderstandthestorycompletelyuntilyouhavefinishedreadingit Hewillpayavisittoyouassoonashegetshere HesaidwheneverIwasintroubleIcouldturntohim 2 状语从句的省略当状语从句的主语和主句主语保持一致 且从句谓语动词中含有be动词 可以将状语从句中的主语和be动词一起省略 Whenintrouble askthechairmanhimself Althoughfrightened hemanagedtorunaway Whilecrossingtheroad youshouldwatchout 另在ifitispossible whenitisnecessary等类似结构中 itis常可省 Holdyourheadhighifnecessary 3 状语从句与名词性从句的区别wh 开头的词既可引导状语从句 相当于nomatterwh 也可引导名词性从句 相当于anythingthat anyonewho 分辨它们的窍门在于wh 引导名词性从句时 去掉从句 主句成分意思不完整 而wh 引导状语从句时 去掉从句 主句意思成分完整清晰 Whoeveryouare Nomatterwhoyouare youmustobeytheregulations 状语从句 Whoeverarrivesfirst Nomatterwhoarrivesfirst willwinthegoldmedal 主语从句 4 状语从句与定语从句的区别 1 where与when引导的状语从句容易与它们引导的定语从句相混淆 when与where引导定语从句时 有先行词 可被介词 which替代 它们引导状语从句时 主句中没有相应的先行词 也不能被介词 which替代 Thegraduatesshouldgowheretheyareneededmost 状语从句 Thegraduatesshouldgototheplacewhere inwhichtheyareneeded 定语从句 Iwasthehappiestwhenmyparentsweretogetherwithme 状语从句 Iwasthehappiestduringthetimewhen atwhichmyparentsweretogetherwithme 定语从句 2 so such that引导的结果状语从句和so such as引导的定语从句so such that引导结果状语从句时 that没有任何意义 也不在从句中充当任何成分 而so such as引导定语从句时 as为关系代词 在从句中必须充当句子成分 代替先行词 Thequestionissodifficultthatnoonecananswerit 状语从句 Itissodifficultaquestionasnoonecananswer 定语从句 Heissuchagoodspeakerthatweallbelievehim 状语从句 Heissuchagoodspeakerasweallbelieve 定语从句 5 状语从句与强调句型的区别Itwasthefactorywheretheaccidenthappened 地点状语从句 it指代那家工厂 Itwasinthefactorythattheaccidenthappened 强调句型 it无具体意义 仅构成强调句型 ItwasmidnightwhenhearrivedChangsha 时间状语从句 it指时间 ItwasatmidnightthathearrivedChangsha 强调句型 it无具体意义 仅构成强调句型 从A B C D四个选项中 选出可以填入空白处的最佳选项 1 Hemadeamistake butthenhecorrectedthesituation itgotworse A untilB unlessC beforeD as 1 C 考查状语从句引导词的选用 句意 他犯了错 但及时采取了补救措施 没让事情变得更糟 2 Theconsequencesofouractionsareunbelievablycomplicatedanddiverse predictingthefutureisaverydifficultbusinessindeed A becauseB evenifC inorderthatD sothat 2 D sothat引导结果状语从句 根据句意应该选sothat 3 makeshisparentsproudis henevergivesup difficultthesituationis A Whatever 不填 howeverB What 不填 howC What that howeverD Whatever that how 3 C 第一空what引导主语从句 第二空that引导表语从句 第三空however引导让步状语从句 相当于nomatterhow 4 Whatwehavebeendoingmaynotdousmuchgood but itwillbenefitusorothers we lljuststickitout A nomatterB howeverC whetherD although 4 C whether与or连用 引导让步状语从句 相当于nomatterwhether 5 It squiteatime theplayergotinjured butitwon tbelong hereturnstothecourt A since beforeB after whenC before sinceD that when 5 A itis代替ithasbeen 故第一空使用since 第二空用before表示 要不了多久就 6 Weshouldbeabletodothejobforyouquickly yougiveusallthenecessaryinformation A incaseB providedthatC orelseD asif 6 B providedthat引导状语从句 意为 只要 还可表示为 providingthat 7 Itisnotnecessarytoexplainthetruth thereareair waterandsunlight therearelivingthings A inwhereverB thatwhereverC whichD that 7 B that引导同位语从句 同位语从句中又包含一个wherever引导的让步状语从句 8 Theinfluenceofautomobileextendsthroughouttheeconomy thecarissoimportanttoAmericanpeople A thatB asC soD though 8 B 句意 汽车的影响延伸到整个美国经济界 因为汽车对于美国人来说太重要了 9 Thegovernmentshouldprotecttheoldvaluablebuildings theyarenotinharmonywiththemodernonesnearby A eventhoughB asifC sothatD nowthat 9 A 句意 尽管这些古老的建筑和附近的现代化的东西不协调 但是政府也要保护它们 10 Howthesestudentswishtheycouldstudy therearefewerexams Icanunderstandtheirpressure A whereB inwhichC theplacewhereD inwhere 10 A where引导地点状语从句