一、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。

　　二、表示好处

　　1.Ithasthefollowingadvantages.

　　2.Itdoesusalotofgood.

　　3.Itbenefitsusquitealot.

　　4.Itisbeneficialtous.

　　5.Itisofgreatbenefittous.

　　例如：

　　Booksarelikefriends.Theycanhelpusknowtheworldbetter,andtheycanopenourmindsandwidenourhorizons.Therefore,readingextensivelyisofgreatbenefittous.

　　三、表示坏处

　　1.Ithasmoredisadvantagesthanadvantages.

　　2.Itdoesusmuchharm.

　　3.Itisharmfultous.

　　例如：

　　However,everythingdividesintotwo.Televisioncanalsobeharmfultous.Itcandoharmtoourhealthandmakeuslazyifwespendtoomuchtimewatchingtelevision.

　　四、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.

　　五、表示措施

　　1.Weshouldtakesomeeffectivemeasures.

　　2.Weshouldtryourbesttoovercome(conquer.thedifficulties.

　　3.Weshoulddoourutmostindoingsth.

　　4.Weshouldsolvetheproblemsthatweareconfronted(faced.with.

　　例如：

　　Thehousingproblemthatweareconfrontedwithisbecomingmoreandmoreserious.Therefore,wemusttakesomeeffectivemeasurestosolveit.

　　六、表示变化

　　1.Somechangeshavetakenplaceinthepastfiveyears.

　　2.Agreatchangewillcertainlybeproducedintheworld’scommunications.

　　3.Thecomputerhasbroughtaboutmanychangesineducation.

　　例如：

　　Somechangeshavetakenplaceinpeople’sdietinthepastfiveyears.Themajorreasonsforthesechangesarenotfartoseek.Nowadays,moreandmorepeopleareswitchingfromgraintomeatforprotein,andfromfruitandvegetabletomilkforvitamins.

　　七、表示事实.现状

　　1.Wecannotignorethefactthat...

　　2.Noonecandenythefactthat...

　　3.Thereisnodenyingthefactthat...

　　4.Thisisaphenomenonthatmanypeopleareinterestedin.

　　5.However,that’snotthecase.

　　例如：

　　Wecannotignorethefactthatindustrializationbringswithittheproblemsofpollution.Tosolvetheseproblems,wecanstartbyeducatingthepublicaboutthehazardsofpollution.Thegovernmentonitspartshouldalsodesignstricterlawstopromoteacleanerenvironment.