Unit4Whydontyoutalktoyourparents?,連詞until,although和sothat的用法1.until的用法。(1)until意為“直到為止”,用于肯定句,主句的謂語(yǔ)動(dòng)詞一般是延續(xù)性動(dòng)詞,如live,read,run,teach,talk,work,watch等,表示這個(gè)動(dòng)作一直延續(xù)到until所表示的時(shí)間為止。例如:IlivedinthishouseuntilIwastenyearsold.我在這個(gè)房子里一直住到10歲。(2)until意為“直到才”,用于否定句,主句的謂語(yǔ)動(dòng)詞一般是非延續(xù)性動(dòng)詞,如begin,come,go,leave,stop,start等,表示這個(gè)動(dòng)作直到until所表示的時(shí)間才發(fā)生。例如:Iwontleaveuntilyoucomeback.直到你回來(lái)我才會(huì)離開(kāi)。2.although的用法。although意為“雖然;即使;盡管”,引導(dǎo)讓步狀語(yǔ)從句。同though用法相近,但though可作副詞,位于句末。although和though一般都不與but同時(shí)使用。例如:Although/Thoughheisveryold,helooksstrong.雖然他的年紀(jì)很大,但他看起來(lái)還是很強(qiáng)壯。,3.sothat的用法。(1)sothat意為“以便;為了”,引導(dǎo)目的狀語(yǔ)從句,位于主句之后,從句中常用can,could,may,might等情態(tài)動(dòng)詞。例如:Pleaseopenthewindowssothatyoucanbreathefreshair.請(qǐng)把窗子打開(kāi),以便你能呼吸到新鮮的空氣。(2)sothat意為“因此;所以”,引導(dǎo)結(jié)果狀語(yǔ)從句,從句中謂語(yǔ)動(dòng)詞根據(jù)需要使用相應(yīng)的時(shí)態(tài),主從句間可用逗號(hào)隔開(kāi)。例如:Shehadnotplannedhertimewell,sothatshedidnotfinishherhomeworkontime.她沒(méi)把時(shí)間計(jì)劃好,所以沒(méi)按時(shí)完成家庭作業(yè)。,.單項(xiàng)填空(A)1.ItisdifficulttorememberandwritetheChinesetraditionalcharacters(繁體字),theyareagreatpartofChineseculture.A.butB.andC.orD.until(D)2.Howdoyoulikeyournewschool,Kate?Itisverycleanandbeautifulitisabitsmall.A.ifB.sinceC.unlessD.although(D)3.Mom,couldIwatchthegameshownow?Sorry,youcantwatchityoucleanyourroom.A.whenB.ifC.afterD.until,(B)4.OurChineseteacherdidntgotobedhefinishedhisworklastnight.A.ifB.untilC.sinceD.because(A)5.Pleasespeakloudlyeveryonecanhearyou.A.sothatB.untilC.althoughD.but,.用until,although或sothat填空1.Wearenotsistersalthoughwelooksimilar.2.Althoughsheisonly14,shecanmakemoneytohelpherparentssupportthefamily.3.Theteacherdidntbeginhisnewlessonuntileveryoneofusarrived.4.Couldyoupleaseexplainthemathproblemsothatwecanunderstandit?5.Theoldmanputonhisglassessothathecouldseemyfaceclearly.,.用恰當(dāng)?shù)倪B詞把下列簡(jiǎn)單句變成復(fù)合句,每空一詞1.Wehadsupper.Myfathercameback.Wedidnthavesupperuntilmyfathercameback.2.Herunsquickly.Hecouldgettothehotelontime.Herunsquicklysothathecouldgettothehotelontime.3.Theboyjumpsveryhigh.Heisnotverytall.Theboyjump