语法与词汇备考策.ppt

Ifitwerenotfor…(与现在事实相反)fithadnotbeenfor…(与过去事实相反)相当于butfor。如：Ifithadnotbeenforhishelp(=butforhishelp),wewouldnothavesucceeded.Ifonly…谓语动词视情况选用适当的形式。如：01Ifonlythecommitteewouldapprovetheregulationsandputthemintoeffectassoonaspossible.02Themadmanwasputinthesoft-paddedcelllestheinjurehimself.02lest/forfearthat/incase从句谓语用(should+)动词原形。如：01whether…or…有时谓语用be的原形，引导让步虚拟从句，这种用法经常采用倒装结构。如：Churchasweusethewordreferstoallreligiousinstitutions,betheyChristian,Islamic,Buddhist,Jewish,andsoon.Thebusinessofeachday,beitsellinggoodsorshippingthem,wentquitesmoothly.几个情态动词常考的句型

may/might(just)aswell“不妨，最好”，与hadbetter相近。如：Sincetheflightwascancelled,youmightaswellgobytrain.cannot/can’t…too…“越……越好，怎么也不过分”。注意这个句型的变体cannot…over…。如：Youcannotbetoocarefulwhenyoudriveacar.Thefinalchaptercoversorganizationalchangeanddevelopment.Thissubjectcannotbeoveremphasized.usedn’t或didn’tuseto为usedto(do)的否定式。should除了“应该”一层意思外，大纲还规定要掌握其“竟然”的意思。如：Ididn’texpectthatheshouldhavebehavedlikethat.0102有关比较级的特殊句型

notsomuch…as…与其说……不如说……Thechiefreasonforthepopulationgrowthisn’tsomuchariseinbirthratesasafallindeathratesasaresultofimprovementsinmedicalcare.no/notanymore…than…两者一样都不……01Theheartisnomoreintelligentthanthestomach,fortheyarebothcontrolledbythebrain.02Thereisnoreasontheyshouldlimithowmuchvitaminyoutake,anymorethantheycanlimithowmuchwateryoudrink.03no/notanyless…than…两者一样都……Sheisnolessbeautifulthanhersister.justas…so….正如……，……也……(用倒装结构)Justasthesoilisapartoftheearth,soistheatmosphere.倒装下列否定词及含有否定意义的词组修饰状语时，若置于句首，句子的主谓要部分倒装never,no,neither,notonly,hardly,scarcely,little,seldom,rarely,notuntil,nowhere,atnotime,onnoaccount,innorespect,innosense,bynomeans,innoway,nolonger,noless,nomore,nosoonerthan,