嘉兴英语教学网www.jxenglish.com收集整理欢迎使用第页共NUMPAGES3页1.表示原因1)Therearethreereasonsforthis.2)Thereasonsforthisareasfollows.3)Thereasonforthisisobvious.4)Thereasonforthisisnotfartoseek.5)Thereasonforthisisthat...6)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)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.6.表示变化1)Somechangeshavetakenplaceinthepastfiveyears.2)Agreatchangewillcertainlybeproducedintheworld’scommunications.3)Thecomputerhasbroughtaboutmanychangesineducation.例如：Somechanges