unit1语法VIP专享VIP免费

Unit1RevisionoftheAdverbialClauses状语从句•目的状语从句和让步状语从句•Theadverbialclauseofpurposeandtheadverbialclauseofconcession••状语从句按其意义和作用可分为时间、条件、原因、地点、目的、结果、比较、方式、让步等状语从句。时间状语从句原因状语从句地点状语从句目的状语从句结果状语从句条件状语从句让步状语从句比较状语从句方式状语从句•意义：目的状语从句表示“为了……”、“以便……”等意思。•关联词：引导目的状语从句的常见关联词有：“sothat...”，“that...”,“inorderthat...”“forfearthat...”等。目的状语从句中常常使用may,might,can,could,shall,should,will,would等情态动词。例如：•Ifyoumustswitchtoyournativelanguage,atleasttellyourAmericanfriendssothattheydon'tfeelleftout．•Theystartedearlythattheymightarriveontime．•Wemustworkhardinorderthatwecanservethepeoplebetter.•①当语句中的谓语动词为现在时、现在完成时或将来时，从句中常用may，can或will等助动词或情态动词•[eg]Wehavetohurryupsothat(inorderthat)wemay(can/will)arriveontime.•②当语句中的谓语动词为过去时、过去进行时或过去完成时，从句中常用might，could，should，would•[eg]IarrivedearlysothatIcould(might/would)getagoodview.•[eg]Hetoldustokeepquietthatwemightnot(或forfearthatwemight)disturbothers.•注意：•结果状语从句也可以见到由“that”“sothat”引导，这种情况下，目的状语从句与结果状语从句区别的要点是：目的状语从句中要用情态动词can,may,could,might等。•[eg]Wearrivedearlythat(sothat)wecould/mightgetgoodseats.我们到得早以便能找到好座位。•[eg]Wearrivedearlythat(sothat)wegotgoodseats.我们到得早因此找到了好的座位。目的状语从句和结果状语从句引导目的状语从句连词有：incase,sothat,inorderthat,forfearthat。sothat引导状语从句只能置于主句之后。Inorderthat引导状语从句可放主句之前或之后。目的状语从句的谓语常含有can，could，may，might情态动词。这也是与结果状语从句的一个区别。引导结果状语从句的连词有：sothat，so…that，such…that.结果状语放在主句之后。注意：在so…that，such…that结构中一般成分齐全。这也是与as引导定语从句的区别。在so…as，such…as这一结构中，as引导定语从句，在句中做成分。•让步状语从句（theadverbialclauseofconcession）•意义：让步状语从句表示“虽然……”、“尽管……”、“即使……”等意思。•关联词：引导让步状语从句的常见关联词有though,although,eventhough,evenif,nomatterwho(how／what／when／where)等。让步从句可置于主句之前或主句之后。例如：•WrittenEnglishinbothcountriesismoreorlessthesamethoughtherearesomedifferencesinspelling.•Althoughsomepeoplearenotsorich,theyarewell-off.•Ourteacherisverykindevenifsheisverystrictwithus.•Nomatterwhoasksherforadvice,sheisalwaysreadytohelp.•①引导让步状语从句的关联词由“though”“although”可以互换，均表示“虽然”“尽管”；“eventhough”和“evenif”可以互换，均表示“即使”•[eg]Jerryisanhonestmaneventhough(evenif)wesometimesquarrelwitheachother.•②此外，however与某些形容词或副词连用也可构成让步状语从句•[eg]Howeverfaritis,Iintendtodrivetheretonight.无论有多远，我也要今晚开车到那里。•③nomatterwhat(who,when,where等)引导让步状语从句•[eg]Nomatterwhenyougo,youcanseehim.无论什么时候去，你都会见到他。•④常见含ever的复合词，如whatever，whenever等也可引导让步状语从句•[eg]Whateverhesays,heseemstosaythewrongthing.无论他说什么，似乎都是错话。•⑤还有用as引导的让步状语从句，表示“尽管”，需要将作表语的形容词或名词放在从句句首，而且名词前不用冠词。•[eg]Cleverasheis,hedoesn’tstudywell.尽管他很聪明，但学习不好。•[eg]Timisingoodhealth____hedoesn’tgetmuchexercise.•A.ifB.eventhoughC.un...