写作需要掌握的八种句型 PETS学习

小编给大家带来全国英语等级考试：写作需要掌握的八种句型，希望对大家有所帮助。

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：如考生写头一个句子没有把握，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.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'scommunications.

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'shealthbygivingthemduephysical.