江苏省句容市行香中学九年级英语上册 Unit 4 Growing up Grammar课件 （新版）牛津版.ppt

unit4growingup grammar thinking 你能找出下列句子的共同点吗 1 itstartedtorainwhenwewereatthepark 2 thetelephonerangwhilethegirlwasdoingherhomework 3 don tforgettoturnoffallthelightsbeforeyouleavethehouse 4 iwillnotstarttocookdinneruntilyoucomebackfromwork 5 alltheboysrushedoutoftheclassroomassoonasthebellrang 时间状语从句 readandtranslate 1 heremainedthereforaboutayearbeforethenbatooknoticeofhim 2 afterhegraduated hewasforcedtoplayinanotherbasketballleague howtousebeforeandafter 表示 在 之后 表示 在 之前 atanearliertimethan atalatertimethan 3 whenhefinallygotthechance hescored20pointsinhisfirstgame 4 whileattendingjuniorhigh spudtriedoutfortheschoolteam readandtranslate doyourememberthedifferencesbetweenwhenandwhile howtousewhenandwhilewhen既指时间点 也可指一段时间 while只指一段时间 因此when引导的时间状语从句中的动词可以是短暂性动词 也可以是延续性动词 而while从句中的动词必须是延续性动词 whentheteachercamein weweretalking 当此句改变主从句的位置时 则为 whileweweretalking theteachercamein checkout p54 1 igojoggingeverymorning thenihavebreakfast 2 ipractisedplayingbasketballforhours ifelttiredout 3 imetpeter iwaswaitingatthebusstop 4 iwaswatchingtv ireceivedacallfrommyuncle 5 iwasreadytogotobed myfathercamebackfromwork igojoggingeverymorningbeforeihavebreakfast afteripractisedplayingbasketballforhours ifelttired imetpeterwhile iwas waitingatthebusstop while iwas watchingtv ireceivedacallfrommyuncle iwasreadytogotobedwhenmyfathercamebackfromwork canyouusesince tillanduntil 1 howtousesince since译作 自从 以来 1 接时间点 如ihavestayedinthatcountrysince1995 要求 谓v 用现在完成时 而且须是延续性动词 2 接一段时间 ago 如theyhavelivedinthathousesincetwoyearsago 要求 谓v 用现在完成时 而且须是延续性动词 3 接时间状语从句 如ihavelovedhersinceimetherlasttime lilyhasstayedathomesincesheleftschool 要求 主句的谓v 用现在完成时 而且须是延续性动词 从句的谓v 用一般过去时 而且须是短暂性动词 2 howtousetillanduntil tillanduntilmeanuptoacertainlytime untilcanbeplacedatthebeginningorinthemiddleofthesentence buttillisusuallyusedinthemiddleofthesentence a 用于肯定句作 直到 为止 解时 主句的动词一般是延续到until till所表示的时间为止 例如 hewaitsuntil tillthechildrenareasleep 他等着直到孩子们睡熟 b 在 not until 句式中不能用till替代 c 句首通常只用until 不用till 例如 youcan tgohomeuntil5p m untilthen iknewnothingatallaboutit 在那之前 我对此事一无所知 practise fillintheblankswithsince tilloruntil 1 ihavebeencrazyaboutplayingbasketball iwasalittleboy 2 theweatherhasbeenawfulthisweek theraindidnotstop yesterdayevening sowecouldnotpractisebasketballforsevendays 3 weplayedbasketballintheplaygroundthisafternoon itwasgettingdark 4 itisthefirsttimewehaveplayedbasketball monday weenjoyedourselvesverymuch 5 iwaitedfor20minutesatthebusstop thebusarrived 6 itisfridayevening iwillnotgotobed ifinishwatchingmyfavouritetvprogramme since until until till since until till until usingassoonasandwhenever 1 howtouseassoonas assoonasmeanswhensomethinghappens orashorttimeaftersomethinghashappened assoonas的用法一般是两种情况 指未发生的动作 规律是 主句一般将来时 从句用一般现在时代替一般将来时 主将从现 如 iwilltellhimthenewsassoonashecomesback 2 指紧接着发生的两个短动作 主从句都用一般过去时如 hetookouthisenglishbooksassoonashesatdown 2 howtousewheneverwhenevermeansatanytimewhenever的用法一般是两种情况 1 conj 每当whenevershecomes shebringsafriend 她每次来都带个朋友 2 ad 不论何时 每逢i lldiscussitwithyouwheneveryoulike 你愿意什麽时候我就什麽时候和你商量这件事 practise fillintheblankswithassoonasorwhenever 1 davidoftengoestoplaybasketball schoolisover 2 hewatchesthenba thereisagameontv 3 hetalksaboutbasketball hegetsexcited 4 helearntthatthenbaplayerswouldcometochina hetriedhisbesttogetaticket assoonas whenever assoonas whenever completethefollowingarticlewiththecorrectconjunctionsyouhavelearntinthisunit yaomingwasborninshanghaiin1980 hegothisfirstbasketball hewasonlyfouryearsold buthedidnotbecomeseriousaboutbasketball hewas12 yaojoinedthehoustonrocketsin2002andbecamethebestchineseplayertoeverplayinthenba hewenttotheusa heknewlittleenglish buthequicklylearntthelanguage thebestmomentinhiscareerwasin2004 hescored41pointsinagameagainsttheatlantahawks whenyaomingwaslivingintheusa hereturnedtochina hewasneeded hetookpartintheolympicsin2004andin2008asoneofthechineseathletes heendedhisbasketballcareer yaominghasdonemorecharitywork especiallyforpoorchineseteenagers when until when before whenever after choosethecorrectanswer 1 youcan twatchtv youfinishyourhomework a beforeb ifc whiled after 2 what syourplanthissummerholiday i llgotobeijing theschoolteamendsa wheneverb tillc assoonasd before 3 iwasintheus imademanyamericanfriends a whileb althoughc unlessd until 4 manystudentsdidn trealizetheimportanceofstudy theyleftschool a whenb untilc asd after 5 youshouldgoover