大学英语四级考试.ppt

大学英语四级考试 Still waters run deep.流静水深流静水深,人静心深人静心深 Where there is life,there is hope。有生命必有希望。有生命必有希望一虚拟语气1.时态意义条件从句主句与现在事实相反动词一般过去式didShould(would,could,might)+do与过去事实相反过去完成时haddoneShould(would)+have+done与将来事实相反1Were+不定式（were+todo）2Should+动词原形Should/would+do2.固定的动词要求要求要求要求askrequiredemandinsistdesiremaintainproposesuggesturgeadviserecommendmovecommandorderdemandarrangedecide例如：Ithasbeendecidedthatthegeneralmeetingbepostponedtillnextweek.3.在形式主语的结构中在形式主语的结构中1)在有特殊形容词的句套里ItisnecessarythatItisimperativethatItisessentialthatItisimportantthatItisstrangethatItisnaturalthatItisdesirablethatItisincrediblethatItisadvisablethat2）在有特殊名词的句套里ItisapitythatItisashamethatItisnowonderthat4在特殊名词的同位语从句中suggestion,proposal,order,request,plan,idea,recommendation,motion5.expect,believe,think,suspect动词在否定或疑问形式重。例如：I never thought that she should besuchaworldlygirl.6.Ifonly,would(that),d rather(would rather,had rather)asif例如：If only I had not cheated at theexam.Would(that)Iwereyoungagain.7.Itistime从句ItishightimeItisabouttimeyougotup.二主谓语一致halfofthetherestoftheenoughofthe单数名词 单数动词复数名词 复数动词lotsofheapsofloadsof不可数名词单数动词复数可数名词复数动词aportionofaseriesofagroupof复数可数名词单数动词(a)partof单数名词单数动词复数名词复数动词akind(sort)of单数名词单数动词分数、百分数+of单数名词单数动词复数名词复数动词Oneofthe+复数名词+who(that/which)+复数动词例如：1.Half of the laboratory was damaged in theexplosion.2.Half of the buildings in the neighborhood weredestroyedintheearthquake.3.Loadsofmilkwasgiventothemfree.4.AseriesofdebatesbetweenthemajorcandidateswasscheduledfortheLaborDayweekend.5.A part of the land is devoted toagriculture.6.Three-fourthsoftheearthssurfaceissea.7.Over 40 percent of the teachers areagainsttheplan.8.Sheisoneofthefewgirlswhoareacquaintedwiththeoldpoet.2.the+形容词（分词形容词）形容词（分词形容词）+复数动词复数动词Thesickhavebeencuredandthelosthavebeenfound.3.并列主语在意义上指同一事物、人等1）The secretary and account of thecompanywasabsentatthemeeting.2）Whisky and soda is always myfavoritedrink.3）Thereisaknifeandforkonthetable.4.every and every and every each.and each.and each 后都跟单数名词后都跟单数名词Everyflowerandtreeistobecutdownintheland.5.the+形形容容词词and the+形形容容词词+单数名词单数名词=复数名词复数名词Theredandthewhiterosearewitheringinthecold.6.or,eitheror,neithernor,not only,but also 是就近原则是就近原则1)Neitherhenoryouarewrong.2)Notonlytheswitchesbutalsotheoldwiringhasbeenreplaced.7.none of+单数名词单数名词=单数动单数动词词 none of+复数名词复数名词=复数动复数动词词8 主语主语+as well as(as much as/rather than/more than/no less than)词组：看主语是单数词组：看主语是单数或复数或复数Someoftheworkers,aswellasthemanager,wereworkingduringtheholiday.9.单单数数主主语语+with(along with/together with/except)用用单单数动词数动词Kate,togetherwithhersisters,goestoworkbysubwayeveryday.10.there be 句型用就近原则句型用就近原则There is my wife and family toconsider.There are many books and acomputeronthetable.