以下是短文写作中使用率最高、覆盖面最广的基本句式，以下是短文写作中使用率最高、覆盖面最广的基本句式，每组句式的功能相同或相似，考生可根据自己的情况选择每组句式的功能相同或相似，考生可根据自己的情况选择其中的其中的 1-21-2 个，做到能够熟练正确地仿写或套用。个，做到能够熟练正确地仿写或套用。1.1.表示原因表示原因1)There1)There areare threethree reasonsreasons forfor this.this.2)The2)The reasonsreasons forfor thisthis areare asas follows.follows.3)The3)The reasonreason forfor thisthis isis obvious.obvious.4)The4)The reasonreason forfor thisthis isis notnot farfar toto seek.seek.5)The5)The reasonreason forfor thisthis isis that.that.6)We6)We havehave goodgood reasonreason toto believebelieve that.that.例如：例如：ThereThere areare threethree reasonsreasons forfor thethe changeschanges thatthat havehave takentaken placeplace inin ourour life.Firstlylife.Firstly，peoplespeoples livingliving standardstandard hashas beenbeen greatlygreatly improved.Secondlyimproved.Secondly，mostmost peoplepeople areare wellwell paidpaid， andand theythey cancan affordafford whatwhat theythey needneed oror like.Lastlike.Last butbut notnot leastleast，moremore andand moremore peoplepeople preferprefer toto enjoyenjoy modernmodern life.life.注：如考生写第一个句子没有把握，可将其改写成两注：如考生写第一个句子没有把握，可将其改写成两个句子。如：个句子。如：GreatGreat changeschanges havehave takentaken placeplace inin ourour life.life. ThereThere areare threethree reasonsreasons forfor this.this.这样写可以避这样写可以避免套用中的表达失误。免套用中的表达失误。2.2.表示好处表示好处1)It1)It hashas thethe followingfollowing advantages.advantages.2)It2)It doesdoes usus a a lotlot ofof good.good.3)It3)It benefitsbenefits usus quitequite a a lot.lot.4)It4)It isis beneficialbeneficial toto us.us.5)It5)It isis ofof greatgreat benefitbenefit toto us.us.例如：例如：BooksBooks areare likelike friends.Theyfriends.They cancan helphelp usus knowknow thethe worldworld betterbetter，andand theythey cancan openopen ourour mindsminds andand widenwiden ourour horizons.Thereforehorizons.Therefore，readingreading extensivelyextensively isis ofof greatgreat benefitbenefit toto us.us.3.3.表示坏处表示坏处1)It1)It hashas moremore disadvantagesdisadvantages thanthan advantages.advantages.2)It2)It doesdoes usus muchmuch harm.harm.3)It3)It isis harmfulharmful toto us.us.例如：例如：HoweverHowever，everythingeverything dividesdivides intointo two.Televisiontwo.Television cancan alsoalso bebe harmfulharmful toto us.Itus.It cancan dodo harmharm toto ourour healthhealth andand makemake usus lazylazy ifif wewe spendspend tootoo muchmuch timetime watchingwatching television.television.4.4.表示重要、必要、困难、方便、可能表示重要、必要、困难、方便、可能1)It1)It isis important(necessaryimportant(necessary，difficultdifficult，convenientconvenient， possible)forpossible)for sb.tosb.to dodo sth.sth.2)We2)We thinkthink itit necessarynecessary toto dodo sth.sth.3)It3)It playsplays anan importantimportant rolerole inin ourour life.life.例如：例如：ComputersComputers areare nownow beingbeing usedused everywhereeverywhere，whetherwhether inin thethe governmentgovernment，inin schoolsschools oror inin business.Soonbusiness.Soon， computerscomputers willwill bebe foundfound inin everyevery homehome，too.Wetoo.We havehave goodgood reasonreason toto saysay thatthat computerscomputers areare playingplaying anan increasinglyincreasingly importantimportant rolerole inin ourour lifelife andand wewe havehave steppedstepped intointo thethe ComputerComputer Age.Age.