状语从句讲解状语从句讲解在复合句中由从句表示的状语称作状语从句，它可以用来修饰谓语（包括非谓语动词）、定语或状语，或是整个句子。准确掌握每一个连词的含义是掌握状语从句的关键。同时要注意主从句的时态呼应。考核要求考核要求九种常用的状语从句时间状语从句地点状语从句原因状语从句条件状语从句让步状语从句结果状语从句目的状语从句方式状语从句比较状语从句状语从句有九种，时地原因条状补，目比结果方让步，连词引导各不同；主句通常前面走，连词引导紧随后，从句若在主前头，主从之间有个逗。状语从句类型从属连词时间状语从句when，whenever，while，as，before，after，since，till,until，not…until,themoment，immediately，nosooner…than，thefirst/second…time，instantly，hardly…when地点状语从句where,wherever,everywhere,anywhere原因状语从句because,as,since,seeing(that),now(that)结果状语从句sothat,so…that,such…that条件状语从句if，unless，aslongas,suppose，supposing，incase，sofaras，provided目的状语从句so，sothat，inorderthat，forfearthat，lest让步状语从句although,though,however(=nomatterhow),evenif,whether…or方式状语从句as，asif，asthough比较状语从句as…as，notas…as，thanIdentifythetypesoftheAdverbialClauses.1.WhileIwaswonderingatthis,ourschoolmastertookhisplace.()2.Wherethereisawill,thereisaway.()3.Nowthat/Sinceeverybodyishere,let’sbeginourmeeting.（）4.I’llspeakslowlysothatyoucanunderstandme.()5.Socleverwasheastudentthathewasabletoworkoutallthedifficultproblems.()6.Aslongasyoudon’tloseheart,you’llsucceed.()7.Tryashemight,hecouldnotfindajob.()8.Theoldladytreatstheboyasifhewerehisownson.()时间地点原因目的结果条件让步方式掌握：1.when/while/as2.before/after/since3.till/until4.assoonas,immediately,directly,instantly,themoment,theinstant,theminute…,ondoing…5.time名词短语WhenIlivedthere,IusedtogototheseashoreonSundays.TheplanehadalreadytakenoffwhenIgottotheairport.Whenyouhavefinishedyourwork,youmayhavearest.总结：when的用法1Whenhewasayoungman,hewasfondofhunting.Asayoungman,hewasfondofhunting.总结：when的用法2WhenIlivedthere,IusedtogototheseashoreonSundays.TheplanehadalreadytakenoffwhenIgottotheairport.Whenyouhavefinishedyourwork,youmayhavearest.总结：when的用法1Whenhewasayoungman,hewasfondofhunting.Asayoungman,hewasfondofhunting.总结：when的用法2Wewereswimminginthelakewhenthestormstarted.Hewasabouttotellmethesecretwhensomeonepattedhimontheshoulder.Wehadjustfallenasleepwhenthebellrang.总结：when的用法3Howcanhegetgoodgradeswhenhewon’tstudy?总结：when的用法4Wewereswimminginthelakewhenthestormstarted.Hewasabouttotellmethesecretwhensomeonepattedhimontheshoulder.Wehadjustfallenasleepwhenthebellrang.总结：when的用法3Howcanhegetgoodgradeswhenhewon’tstudy?总结：when的用法4连接词when的用法小结1.when引导的时间状语从句的谓语动词可以是可延续的，也可以是表短暂性动作的动词，可用于主句和从句动作同时发生或从句动作先于主句动作。2.可用作并列连词，其意义为“那时，这时”，相当于andatthis/thattime。常用于下列句式：Somebodywasdoingsomething/wasabouttodosth./wasonthepointofdoingsth.(刚要……这时突然……)when…3.还可以表示原因“既然”，相当于since;consideringthat。如：Itwasfoolishofyoutotakeataxiwhenyoucouldeasilywalkthereinfiveminutes.HowcanIhelpthemtounderstandwhentheywon'tlistentome?whenever是when的强势语，它描述的不是一次性动作，而是经常发生的习惯性动作。Youarealwayswelcomewheneveryoucome.无论你何时来都欢迎。Wheneverwemetwithdifficulties,theycametohelpus.每当我们遇上困难的时候，他们就来帮我们。Pleasedon’ttal...
