托福作文常用长难句

作文常用长难句：一：倒装句式倒装秘籍ⅰ：否定词+助动词+动词原形／be动词—情态动词（could、should）＼助动词（do、did、does）否定意义的副词：never/nor/neither/nowhere半否定意义的副词：seldom、rarely（很少、不常）/hardly、barely（几乎不）/Little、scarcely（简直没有）介词短语：bynomeans/innocase/onnoaccount/innoway/Onnocondition/undernocircumstance(绝不)否定连词：notonly……butalso……（不仅…而且）可用句型：1大部分不支持B，我也是MostpeopledonotsidewithB（inclinetowardsB），andneitherdoI.2主语不能做成……，除非主语去做……Seldomcould主语do……withoutdoing……Eg.:Seldomcouldgovernmentassertpublicfigurewithoutinvestingmoneyonbasicneeds.3我们绝不可能做好A，除非考虑到BOnnoconditiondoIthinkthatwecoulddoAwithoutconcerningdoingBEg:OnnoconditiondoIthinkthatwecouldreducethetrafficcongestionwithoutconcerningtakingadvantageofthepublictransportation.4X不仅能……，而且能……，还能够……。Notonlycan主语do(动词原形)……,butalso主语cando……，andcando……Eg:Spendingtimewithfriendsorfamilyhikingorhavingapicnicwhenyousnatchalittleleisurefromthebusylife,notonlycancontributetoabetterhealthcondition,butalsocanmakeusrememberwhatthetruemeaningoflifeis.(正常语序)Eg:Notonlycanwemaintainawell-balancedhealthydiet,butalsowecangetfarawayfromthecardiovasculardiseaseandobesity,andcanletusenjoythewarmthoffamilyreunion.(倒装语序)倒装秘籍ⅱ：Only置于句首的有条件倒装Only+状语／介词短语+助动词+主语+动词原形＼When引导的从句1在这样的情况下，只有我们做A……我们才能……OnlyunderspecialcircumstancewhenwechooseA(todoA)couldwe……Eg:Onlyunderspecialcircumstancewhenwechoosetoreplacefossilfuelswithcleanerfuelscouldwetacklethetrafficandpollutionproblem.2我们应该做……,只有用这种方式才能……Weshoulddo……，onlyinthiswaycould主语do……（Theywouldnotdo……，onlyinthiswaycould主语……）Eg;weshouldreplacefossilfuelswithcleanerfuels,onlyinthiswaycouldwetacklethetrafficandpollutionproblem.3他们的观点……是那么片面，我们的观点……却很合理Sosimplisticwastheirviewthat+(同位语/坏结果)……；suchwasmaybeareasonableperspectivethat+(同位语/好结果)Eg;Sosimplisticwastheirviewthathigherfuelcostsareunlikelytolimitthenumberofdriversinthelongrun,becausethispolicywouldalsoaffectthecostofpublictransport;suchwasmaybeareasonableperspectivethatelectriccarscouldbebothquieterandcleanertouse.4不得不承认的是，选择A，在一定程度上来说会带来小坏。Admittedly,choosingA,tosomeextent,wouldleadtoA的小坏Admittedly,tosomeextentwouldchoosingAresultinA的小坏二：强调句式强调秘籍ⅰ：Itis/was+被强调部分+that+句子其余部分1是A……，是A……，还是A……Itis/wasAthat……；itwassuchaspectthat……，anditwasAthat……，aswell/also.Eg:Itisourparentsthatteachussimpleskillsandcommonsenseoftheworld;itissuchaspectthatenlightenuswhatrolewewillplayinourfuture,anditisparentsthatletusknowhowtouseloveandresponsibilityintherealisticsociety,aswell.2itisonlywhen……that……EgItisonlywhenthetechnologyisusedinareasonablewaythattheoverallimpactofinternet-basedcommunicationispositivethannegative.强调秘籍ⅱ：主语+do/does/did+动词原形1在……中的……例子并不少见。ThissortofexampleinwhichA好doesexistinAisnotrare.Eg:Thissortofexampleinwhichschoolsplayaverysignificantroleineducatingchildrendoesexistinourmodernvaluesystemisnotrare.2然而,这一代似乎还是面临着许多关键时刻,以前无法想象的出。Eg:However,thisgenerationdoesseemtobefacingmanycriticalmomentsthatwereneverevenimaginedinformeryears.三：插入语句式插入秘籍ⅰ：不定式1Tostartwith;tosumup;tobesure;2tosomeextent;insomedegree插入秘籍ⅱ：副词1悲哀啊……。讽刺啊……。为时不晚啊……。sadly，…….;Ironically,……Belately，……Eg:Sadly,ourenvironmentisdestroyedsofar;ironically,westilldowhateverwewanttowastenaturalresourceswithlittleconsciousnessofprotection.Belately,weshouldproposecertainsolutionstosolvetheproblem.2表递进：andthen,andnext,besides,moreover,further3表因此：therefore，hence，thus，accordingly，consequently4（主语）绝不应该总是做B而不考虑A；否则，（主语）最终将不能实现C了。Bynomeansshould主语everdoBinspiteofdoingA;otherwise,主语couldnotdoC,eventually.Eg:Bynomeansshouldweimprovetheeconomyandensuresupplyinspiteofemphasizingonthesustainabledevelopmentofenvironment;otherwise,wecouldnotexistintheworld,eventually.插入秘籍ⅲ：分词1如果……，那么……providedthat……，完整句子……2尽管B好，A‘更好，所以我们要选择AGranted，B好；evenso,A’更好，andtherefore,we’dbetterchooseA插入秘籍ⅳ：介词1weshoulddoA,reasonable,inmyopinion.2主语，weatherAorB,V+O四：虚拟语气虚拟秘籍ⅰ：虚拟条件句1假设的事与现在事实相反：If主语+过去时（be动词一律用were），主语+would（could/might/should）+do2假设的事与过去事实相反：If主语+had+过去分词，主语+would（could/should/might）+havedone3假设的事与将来事实相反：If主语+过去时/shoulddo/weretodo，主语+would(could/should/might)+do注意：1）if从句中绝对不可出现would2）在条件句中如果出现were,had,should,would,可省去if，将主语与这些词倒装虚拟秘籍ⅱ：名词性虚拟语气1.在表示命令、建议、要求、惊叹时的名词性从句中需用虚拟语气，基本句型：主语+（suggest、order、demand、propose、command、request、desire、insist）+should+动词原形2.Itisdesired/suggested/requested/ordered/proposed/required+that+虚拟（should）+do3.suggestion、proposal、order、plan、idea等表示命令、建议、要求、惊叹的名词后用虚拟（should)+do虚拟秘籍ⅲ：其他用语1.Itisnecessary/important/strange/natural/apity/ashame/nowonder+that+(should)+动词原形/havedone2.wish后的宾语从句:与未来愿望不一致：主语+would（could/might）+原形与现在愿望不一致：主语+过去时/与过去愿望不一致：主语+had+过去分词3.It'stime句型It's（high）time后用that从句时应为：主语+should+原形；或主语+过去时4.Ifonly引起的感叹句（用法与wish一致）:要是……多好5.wouldrather引导的句子表示过去情况用过去完成时，表示现在/将来的情况用过去时6.asif/asthough引导句子表示过去情况用过去完成时，表示现在与将来情况用过去时7.without、but、butfor、otherwise引导的短语或句子常暗含着含蓄条件（woulddo/wouldhavedone）变化句子：1、neverNeverinthepasthaveweseenthisperson.2、notonlyNotonlydowestudyabroadforlearningskills,butalsoforachancetopracticeourselves.3、itItisourgreatestwishthatwecouldgoabroadandstudyinaforeigncountry.4、todoTohelpoldpeopleisourresponsibility.5、therebeThereismuchpressureonus.6、whatWhathappenedisbe