连词(Conjunction)连词(Conjunction)二、连词分类：并列连词从属连词——三、用法1.并列连词---连接具有并列关系的词，短语或句子。常见的有：(1)表并列关系的and,both…and,notonly…butalso,neither…nor，aswellas（也，和）等。(2)表选择关系的or,either…or等。(3)表转折关系的but,however等。(4)表因果关系的for,so等。（1）肯定句中用“and”表“和”；（2）否定句中用“or”表“和”。=Studyhard,_____yourmathwillbeworse.表转折的连词but和however：e.g.(他努力工作，但以失败告终。)Heworkedhard,______hefailedatlast.Heworkedhard._________,hefailedatlast.区别:but后没有逗号，直接连接分句；however后有逗号相隔，可放句末。观察句子：（1）Althoughheisoversixty,butheworksashardasothers.改为：Althoughheisoversixty,heworksashardasothers.或Heisoversixty,butheworksashardasothers.（2）“BecauseJohnwasill,soItookhimtothedoctor.”eitherAorB“或者A或者B”neitherAnorB“既不A也不B”notonlyAbutalsoB“不仅A而且B”2.从属连词---用来引导从句。常见的从属连词有：(1)引导时间状语从句的after,before,when,while,as,until,till,since,assoonas等。(2)引导条件状语从句的if,unless等。(3)引导原因状语从句的because,as,since等。(4)引导目的状语从句的sothat,inorderthat等。(5)引导让步状语从句的though,although,evenif等。(6)引导结果状语从句的sothat,so…that,such…that等。(7)引导比较状语从句的than,as…as等。(8)引导宾语从句的that,if,whether等。Mr.Whitewastakingashower_____theUFOlandedonthestreet.A.whereB.whileC.whenD.whether考点二HetooktheMP3playerwithhim_____hecouldenjoymusicduringthetrip.A.becauseB.sothatC.whenFunnyHusband(H)&Wife(W)aboutShoppingH：“Whatarewegoingtodo,mydear？”W:“Goshopping.”H：“Wecandonothing___________shopping.”W：“Infact,_______you_____Ilikeshopping.”H:“Whymustyoudothethings_____youdon’tlike?”W:“___myskirtsareoutofstyle,___Iwanttobuyanewone.”W:（Intheclothingshop.）…Idon’tknow___theyfit(适合)me.”H:“Idon’tknow____________youreallylike.Justgoinsideandtrythemon.”H：（对seller笑笑）“Canyoutalktomeforafewminutes？”S：Why?H：Because___________mywifesees(that)Iamtalkingtootherladies,shewillbeangryatonceandleave.S：“Thenwhydoyoulethergo?”H：“Iwanttoleave________Iwon’tpayforthem.”Homework：