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第二部分知识运用天天练第六讲并列句与状语从句1．单句语法填空(间考)(2019·全国卷Ⅱ)IworknotbecauseIhaveto，but__becauseIwantto.2．单句改错(1)(2019·全国卷Ⅰ)Suddenlyafootballfelljustinfrontofmebutalmosthitme.but__改为and(2)(2019·全国卷Ⅰ)OneafternoonwhereIwasinprimaryschool，Iwaswalkingbytheschoolplayground.where改为when(3)(2018·全国卷Ⅰ)Attheendofourtrip，ItoldmyfatherthatIplannedtoreturneverytwoyears，butheagreed.but改为and(4)(2018·全国卷Ⅲ)Everyonewassilent，waitingtoseewhowouldbecalledupontoreadhisandherparagraphaloud.and改为or1．并列句考点分析(1)表示递进或顺承关系：常用的并列连词有and，notonly...but(also)．..等。Hehadplentyofmoneyandhespentitfreely.Notonlydidhespeakmorecorrectly，buthe(also)spokemoreeasily.(2)表示选择关系：常用的并列连词有or，either...or...等。Eitheryouareright，orIam.(3)表示转折关系：常用的并列连词有but，yet，whereas等。Janesaidshewasill，yetIsawherinthestreetjustnow.Someofthestudiesshowpositiveresults，whereasothersdonot.(4)表示因果关系：常用的并列连词有so，for等。Itmusthaverainedlastnight，foritiswetallover.Theshopswereclosed，soIdidn'tgetanymilk.2．状语从句考点分析(1)before引导的从句中不用否定式谓语。常用如下句型：Itwillbelongbefore...(得过好久才……)Itwillnotbelongbefore...(过不了多久就……)Itwaslongbefore...(过了好久才……)Itwasnotlongbefore...(过了不久就……)(2)since后面所用动词不同，该动词所表示动作持续时间的计算方法也不同。since＋瞬间动词的过去式（从该动作发生时算起）since＋持续性动词的过去式（从动作结束时算起）Itistwoyearssincehejoinedthearmy.他参军两年了。Itistwoyearssincehesmoked.他戒烟两年了。(3)till，not...until...，until直到．..(才)．..Don'tgetoffthebusuntilithasstopped.Hewaitedforhisfatheruntil/tillitwastwelveo'clock.(4)although与though可以引导让步状语从句，不能与but连用，但可以与yet连用。Although/Thoughtheyarepoor，(yet)theyarewarmhearted.(5)地点状语从句：where，wherever引导等。Makeamarkwhereveryouhaveanyquestions.WewillgowherethePartydirectsus.(6)as，when，while引导的时间状语从句用法一览表。类别作用例句asas“当……的时候”，往往和when/while通用，但它着重强调主句与从句的动作或事情同时或几乎同时发生ShecameupasIwascooking.(同时)Therunnersstartedasthegunwentoff.(几乎同时)when(atorduringthetimethat)既可以表示在某一点的时候，又可表示在某一段时间内，主句与从句的动作或事情可以同时发生也可以先后发生Itwasrainingwhenwearrived.(指时间点)Whenwewereatschool，wewenttothelibraryeveryday.(在一段时间内)whilewhile“当……的时候”或“在某一段时间里”。主句的动作或事情在从句的动作或事情的进展过程中发生，从句的动词一般要用延续性动词。在when表示aperiodoftime时，两者可以互换Pleasedon'ttalksoloudwhileothersareworking.Hefellasleepwhile/whenreading.Strikewhiletheironishot.(不可用as或when，这里的while意思是“趁……”)1．单句语法填空(间考)(2017·北京)Ifyoudon'tunderstandsomething，youmayresearch，study，andtalktootherpeopleuntilyoufigureitout.2．单句改错(1)(2019·全国卷Ⅱ)WhenIstudiedchemistryin/athighschool，Ireconsideredmygoalordecidedtobeadoctor.or改为and(2)(2017·全国卷Ⅲ)Ihavegrownnotonlyphysicallyandalsomentallyinthepastfewyears.and改为but(3)(2018·全国卷Ⅱ)ThegamesmyparentstaughtmewhereIwasachildturnedouttobeveryusefullaterinmylife.where改为when(4)(2017·全国卷Ⅰ)Beforegettingintothecar，IthoughtIhadlearnedtheinstructor'sorders，soonceIstartedthecar，mymindwentblank.so改为but/yet