连词例子:1.表示时间,频率,总量的:ingeneral,every,some,after,onthewhole,usually,most,atothertimes,inmostcases,frequently,main,finally,asarule,rarely,before,meanwhile.2.补充说明:additionally,aswellas,justas,again,alongwith,also,further,furthermore,likewise,inthesamemanner,inthesameway,inadditionto.3.举例子:forexample,namely,forinstance,asanexample,thatis.4.对比或别打相反意见:although,instead,ratherthan,but,nevertheless,though,however,ontheotherhand,otherwise.5.总结:allinall,inconsequence,inbrief,asaresult,thepointis,inconclusion,therefore,hence,insum.以下是托福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其中的1-2个,做到能够熟练正确地仿写或套用。1、表示原因1)Therearethreereasonsforthis.2)Thereasonsforthisareasfollows.3)Thereasonforthisisobvious.4)Thereasonforthisisnotfartoseek.5)Thereasonforthisisthat...例如:Therearethreereasonsforthechangesthathavetakenplaceinourlife.Firstly,people'slivingstandardhasbeengreatlyimproved.Secondly,mostpeoplearewellpaid,andtheycanaffordwhattheyneedorlike.Lastbutnotleast,moreandmorepeopleprefertoenjoymodernlife.2、表示好处1)Ithasthefollowingadvantages.2)Itdoesusalotofgood.3)Itbenefitsusquitealot.4)Itisbeneficialtous.5)Itisofgreatbenefittous.例如:Booksarelikefriends.Theycanhelpusknowtheworldbetter,andtheycanopenourmindsandwidenourhorizons.Therefore,readingextensivelyisofgreatbenefittous.3、表示坏处1)Ithasmoredisadvantagesthanadvantages.2)Itdoesusmuchharm.3)Itisharmfultous.例如:However,everythingdividesintotwo.Televisioncanalsobeharmfultous.Itcandoharmtoourhealthandmakeuslazyifwespendtoomuchtimewatchingtelevi-sion.4、表示重要、必要、困难、方便、可能1)Itisimportant(necessary,difficult,convenient,possible)forsb.todosth.2)Wethinkitnecessarytodosth.3)Itplaysanimportantroleinourlife.例如:Computersarenowbeingusedeverywhere,whetherinthegovernment,inschoolsorinbusiness.Soon,computerswillbefoundineveryhome,too.WehavegoodreasontosaythatcomputersareplayinganincreasinglyimportantroleinourlifeandwehavesteppedintotheComputerAge.5、表示措施1)Weshouldtakesomeeffectivemeasures.2)Weshouldtryourbesttoovercome(conquer)thedifficulties.3)Weshoulddoourutmostindoingsth.4)Weshouldsolvetheproblemsthatweareconfronted(faced)with.例如:Thehousingproblemthatweareconfrontedwithisbecomingmoreandmoreserious.Therefore,wemusttakesomeeffectivemeasurestosolveit.