2014高考必背句型.doc

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1、1.it强调句强调句的基本构成:itis/was+被强调部分+who/that+剩余部分原句的谓语动词如果是现在或将来时态用itis….that/who….如原句的谓语动词是过去时态,则用itwas….that/who….强调时间,地点,原因或方式时不要用when,where,how,必须用that.(1)isawhiminthestreetyesterdayafternoon.—itwasiwhosawhiminthestreetyesterdayafternoon.(2)whendidyou

2、seehiminthestreet?—whenwasitthatyousawhiminthestreet?(3)whodidyouseeinthestreetyesterday?—whowasitthatyousawinthestreetyesterday?(4)hedidn’tgotobeduntilhismothercameback.—itwasnotuntilhismothercamebackthathewenttobed.(5)idon’tknowwhenhewillcomeback.—

3、idon’tknowwhenitisthathewillcomeback.(6)itisonlywhenyounearlylosesomeonethatyoufullyrealizehowmuchyouvaluehim.—onlywhenyounearlylosesomeone,youfullyrealizehowmuchyouvaluehim.(7)itwasn’tuntilhisfathercamebackfromworkthathegotdowntodoinghishomework.(8)

4、itwasbecausethetrafficwasveryheavyduringtherushhour,iwaslateagain.2.….before….(1).没来得及…就…therooffellbeforehehadtimetodashintotheroomtosavehisbaby.他还没有来得及冲进房间把孩子就出来,房顶就塌了.heranoffbeforeicouldstophim.tomygreatdisappointment,myfavoritesingerlefttheconce

5、rtbeforeicouldhaveawordwithhim.(2).过了多久才怎么样,动作进行到什么程度才怎样theywalkedaboutthirtymilestothewestbeforetheysawavillage.theyworkeddayandnightaboutthreedaysbeforeeverythingreturnedtonormal.threeyearspassedbeforeiknewit.3.itwas+时间段+before….过了多久才….;itwasnotlon

6、gbefore…不久就…itwill(not)be+时间段+before…要过多久(不久)…..才…..eg.itwasnotlongbeforehesensedthedangeroftheposition.itwasthreeyearsbeforehecameback.itwillbehalfayearbeforeyougraduatefromthisschool.4.nosooner…than…=hardly…when…一…就….,刚刚…就…nosooner/hardly+过去完成时,tha

7、n/when+一般过去时如果nosooner,hardly位于句首,主句要倒装.hehadhardlysatdowntohavearestwhenthedoorbellrangandincameallan.nosoonerhadhegotoffthetrainthanhisdaughterrantowardshim.hardlyhadwearrivedwhenshestartedcryingtogohome.5.once一旦….,表示时间和条件onceyouunderstandthisrule,

8、youwillhavenofurtherdifficulty.onceyouhavedecidedtodosomething,youshoulddoitwell.onceyouenterthechemistrylab,youshouldfollowtheteacher’sinstructions.6.since…自从….以来since引导的从句不论是延续性或非延续性动词,都表示的是动作或状态的完成或结束.注意一下句子翻译:sincehelivedinnanjing,ihavenotheardfr