1/8大学英语写作基础教程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,考可根据自己的情况选择其中的个,做到能够熟练正确地仿写或套用。1.表示原因1)Therearethreereasonsforthis2)Thereasonsforthisareasfollows3)Thereasonforthisisobvious4)Thereasonforthisisnotfartoseek5)Thereasonforthisisthat6)Wehavegoodreasontobelievethat例如:Therearethreereasonsforthechangesthathavetakenplaceinourlife.Firstly,people’slivingstandardhasbeengreatlyimproved.Secondly,mostpeoplearewellpaid,andtheycanaffordwhattheyneedorlike.Lastbutnotleast,moreandmorepeopleprefertoenjoymodernlife.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:Greatchangeshavetakenplaceinourlife.Therearethreereasonsforthis.这样写可以避免套用中的表达失误。2.表示好处1)Ithasthefollowingadvantages2)Itdoesusalotofgood3)Itbenefitsusquitealot4)Itisbeneficialtous5)Itisofgreatbenefittous例如:Booksarelikefriends.2/8Theycanhelpusknowtheworldbetter,andtheycanopenourmindsandwidenourhorizons.Thereforereadingextensivelyisofgreatbenefittous3.表示坏处1)Ithasmoredisadvantagesthanadvantages2)Itdoesusmuchharm3)Itisharmfultous例如:However,everythingdividesintotwo.Televisioncanalsobeharmfultous.Itcandoharmtoourhealthandmakeuslazyifwespendtoomuchtimewatchingtelevision.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.6.表示变化1)Somechangeshavetakenplaceinthepastfiveyears.2)Agreatchangewillcertainlybeproducedintheworld’s3/8communications.3)Thecomputerhasbroughtaboutmanychangesineducation.例如:Somechangeshavetakenplaceinpeople’sdietinthepastfiveyears.Themajorreasonsforthesechangesarenotfartoseek.Nowadays,moreandmorepeopleareswitchingfromgraintomeatforprotein,andfromfruitandvegetabletomilkforvitamins.7.表示事实、现状1)Wecannotignorethefactthat...2)Noonecandenythefactthat...3)Thereisnodenyingthefactthat...4)Thisisaphenomenonthatmanypeopleareinterestedin.5)However,that’snotthecase.例如:Wecannotignorethefactthatindustrializationbringswithittheproblemsofpollution.Tosolvetheseproblems,wecanstartbyeducatingthepublicaboutthehazardsofpollution.Thegovernmentonitspartshouldalsodesignstricterlawstopromoteacleanerenvironment.8.表示比较1)ComparedwithA,B...2)IprefertoreadratherthanwatchTV.3)Thereisastrikingcontrastbetweenthem.例如:Comparedwithcars,bicycleshaveseveraladvantagesbesidesbeingaffordable.Firstly,theydonotconsumenaturalresourcesofpetroleum.Secondly,theydonotcausethepollutionproblem.Lastbutnotleast,theycontributetopeople’shealthbygivingthemduephysicalexercise.9.表示数量1)Ithasincreased(decreased)from...to...2)Thepopulationinth...