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选校网…“宁愿……；更愿意……”(表示现在或将来的愿望)wouldratherthatsomebodyhaddone…“宁愿……；更愿意……”（表示过去的愿望）[例句]I’dratheryoupostedtheletterrightnow.我想让你现在去寄信。I’dratheryouwerenotacelebratedactor.Inthatcase,wecouldspendmoretimetogether.我到情愿你不是个知名演员，这样我们可以有更多的时间在一起。I’dratherthatIhadn’tseenheryesterday.我情愿昨天没有看到她。句型2asif/though+主语+did/haddone…好像……（表示现在或将来的情况用过去时；表示过去的情况用过去完成时）[参考句型4][例句]Ourheadteachertreatsusasifwewereherownchildren,soallthestudentsinourclassthinkhighlyofher.AlantalkedaboutRomeasifhehadbeenthere.Alan谈起罗马来就好像他去过那里似的。句型3“wish+宾语从句”，表示不大可能实现的愿望表示现在的愿望：主语+过去时；表示过去的愿望：主语+haddone；表示将来的愿望：主语+would/coulddo[例句]HowIwishwestudentshadmorefreetimetorelaxourselves!我们学生多么希望有更多的自由时间放松自己！Ifailedinthemathsexam.HowIwishIhadn’twastedsomuchtimeplaying!Whatapityyoucan’tgototheparty.HowIwishIcoulddancewithyouattheparty!句型4It’shigh/abouttimethatsomebodydid(shoulddo)(should通常不省略)…早就该……[例句]It’stimethatyouwenttoschool.=It’stimethatyoushouldgotoschool.It’shightimethatwedidsomethingtoimproveourenvironment.该是我们为环保做些事情了。Ithinkit’shightimethatshemadeuphermind.我想她该拿定主意了。句型5情态动词+动词不定式完成结构的用法couldhavedone“本来可以……”（表示过去没有实现的可能）。mighthavedone“本来可能……；本来应该或可以做某事”（实际没有发生；含有轻微的责备语气。should/oughttohavedone“本来该做某事”（而实际未做）shouldnot/oughtnottohavedone“本来不该做”（实际却做过了，含有责备语气）needn’thavedone“本来不必做”（但是已经做过了）wouldratherhavedone“当时宁愿做了某事”（实际没有做过）；否定式wouldrathernothavedone表达相反意思，两者都有表示“后悔”之意。句型6as,though,although引导的让步状语从句。[注意]although位于句首；though位于句首或句中；as位于句中=though。它的词序是把句中强调的形容词、副词、动词或名词放在连词前。[参考倒装结构]请注意下列句式的变化：[例句]1.Although/ThoughI’myoung,IalreadyknowwhatcareerIwanttofollow.选校网专业大全历年分数线上万张大学图片大学视频院校库→Youngas/thoughIam,IalreadyknowwhatcareerIwanttofollow.我虽然年轻，但我已经明白我应该追随什么样的事业。2.Although/ThoughIrespecthimverymuch,Icannotagreewithhisidea.→Muchas/thoughIrespecthim,Icannotagreewithhisidea.虽然我很尊重他，但是我不同意他的观点。3.Although/Thoughheisachild,heknowsalotofChinesecharacters.→Child（省略冠词）as/thoughheis,heknowsalotofChinesecharacters.他虽然还是个孩子，却认识了许多汉字。4.Althoughhetried,hecouldn’tsolvetheproblem.→Tryashemight,hecouldn’tsolvetheproblem.尽管他努力了，但是他没有解决问题。5.Althoughitisraining,I’mgoingoutforawalk.→Rainingasitis,I’mgoingoutforawalk.天虽然在下雨，我还是要出去散步。6.Strangeasitmayseem,nobodywasinjuredintheaccident.这次意外虽然显得不可思议，却没有人受伤。7.MuchasIwouldliketohelp,Ihavealottodo.虽然我很想帮助你，但是我有很多事要做。8.Objectasyoumay,Iwillgo.纵使你反对，我也要去。句型7…before…特殊用法（1）“没来得及……就……”[例句]Therooffellbeforehehadtimetodashintotheroomtosavehisbaby.他还没有来得及冲进房间救孩子，房顶就塌了。HeranoffbeforeIcouldstophim.我还没有来得及阻止，他已经跑了。Tomygreatdisappointment,myfavoritesingerlefttheconcertbeforeIcouldhaveawordwithher.让我非常失望的是，我还没有来得及和我最喜欢的歌手打招呼，她就已经离开了。句型8…before…特殊用法（2）“过了多久才……”或“动作进行到什么程度才……”[例句]Theywalkedaboutfiftymilestothewestbeforetheysawavillage.他们西行50英里才看到一个村庄。Theworkersworkeddayandnightaboutthreedaysbeforeeverythingreturnedtonormal.工人们连续工作3天才使一切恢复正常。Healmostknockedmedownbeforeheknewit.他几乎撞到我了才意识到。Wehadwalkedalongwaybeforewefoundsomewater.我们走了很长的路才找到一点水。FiveyearswentbybeforeIknewit.不知不觉，五年过去了。句型9Itwas+时间段+before….“过了多久才（怎么样）……”Itwasnotlongbefore….“不久，就……”Itwill(not)be+时间段+before….“要过多久（不久）……才……”(before从句谓语动词要用一般时态)[例句]Itwasnotlongbeforehesensedthedangeroftheposition.不久他就意识到他处境的危险。Itwasfivedaysbeforehecameback.五天后他才回来。Itwillbehalfayearbeforeyougraduatefromtheschool.再过半年你才能毕业。Itwillnotbelongbeforetheyunderstandeachother.他们大概不久就会互相了解。句型10incaseof…(+n.)“以防；万一”；incasethat…“以防，万一……”（谓语动词用一般现在时态或should+动词原形）[例句]选校网万一我忘了，请提醒我。Incase(that)Johncomes/shouldcome,pleasetellhimtowait.Pleasetakeyourumbrellaincase(thatitrains/shouldrain).带上雨伞，以防下雨。句型11It强调句型强调句的基本构成：Itis/was+被强调的部分+who（主要指人时）/that+其余部分[注意1]这种结构可以强调句子的主语、宾语、状语（包括时间，地点，方式，原因等），但是不能强调谓语动词（参考句型15）。原句的谓语动词如果是现在或将来时态，用Itis…that/who….；原句的谓语动词如果是过去时态，用Itwas…that/who….；强调时间、地点、原因或方式时不要用when,where或how,必须用that。[例句1]Isawhiminthestreetyesterdayafternoon.→ItwasIwhosawhiminthestreetyesterdayafternoon.（强调主语）→ItwasinthestreetthatIsawhimyesterdayafternoon.（强调地点状语）→ItwasyesterdayafternoonthatIsawhiminthestreet.（强调时间状语）→Itwashimthat/whoIsawinthestreetyesterdayafternoon.（强调宾语）[例句2]Hedidn’tgotobeduntilhismothercameback.→Itwasnotuntilhismothercamebackthathewenttobed.Hedidn’tdohishomeworkuntilhisfathercamebackfromwork.→Itwasn’tuntilhisfathercamebackfromworkthathedidhishomework.[例句3]Onlywhenyounearlylosesomeonedoyoufullyrealizehowmuchyouvaluehim.→Itisonlywhenyounearlylosesomeonethatyoufullyrealizehowmuchyouvaluehim.只有你快要失去某个人时，你才意识到你是多么尊重他。[例句4]Iwaslateagainbecausethetrafficwasveryheavyduringtherushhour.→ItwasbecausethetrafficwasveryheavyduringtherushhourthatIwaslateagain.（强调句中只能强调由because引导的原因状语从句，because不能换成since,as,for,nowthat等）[注意2]强调句的疑问结构一般疑问句Is/Wasit+被强调部分+who/that…?特殊疑问句特殊疑问词+is/was+it+who/that…?Whatis/wasitthat…?Whois/wasitthat…?Whenis/wasitthat…?Whereis/wasitthat…?Whyis/wasitthat…?How