1.Itisimportant/(necessary,difficult,convenient,possible)forsb.todosth.①ItisimportantforeveryonetolearnEnglishwellinourrapidlydevelopingworld.在这个迅速发展的世界里,对每个人来说,学好英语是非常重要的。②Itisnecessarytoshakehandswhenyoufirstmeetsomeone.与第一次见面的人握手是非常必要的。2.Theharderyouworkatit,themoreprogressyouwillmake.你工作越努力,你取得的进步就越大。①The+比较级...,the+比较级...②比较级+and+比较级(Theworldisgettingsmallerandsmaller.)3.Itisbelieved/thoughtthat…..人们认为….Itisbelievedthatmusiccanhelppeoplerelaxthemselves.人们认为音乐有助于人们放松自己。Itisthoughtthateveryoneshouldformgoodhabitswhentheyarestillyoung.4.Iamgreatlyconvincedthat….我深信…Iamgreatlyconvincedthatwecanimproveourwritingifweinsistonrecitingsomeusefulsentences.我深信,只要我们坚持每天背一些有用的句子,我们就可以提高我们的英语写作。5.Whenitcomestosth……当谈到、涉及到…..Whenitcomestotheproblemofteenagersstudyingabroad,manyparentsthinktheirchildrencanhavemorechancestoreceivebettereducation.当谈到青少年出国留学的问题,许多家长认为孩子们可以有更多的机会接受到良好的教育。6.Wemustkeepinmindthat….我们必须牢记………Wemustkeepinmindthatparentsareourfirstteachers,andweshouldtreatthemwell.我们必须牢记父母是我们的启蒙老师,我们应该好好对待他们。作为学生,我们必须牢记,不诚实的行为只会对我们是不利。Asstudents,wemustkeepinmindthatdishonestbehaviors/dishonestywillonlydoharmtous.7.Weshouldmakefulluseofsth.todo----我们应该充分利用---做某事---Therefore,Ithinkweshouldmakefulluseofnetinformationtobroadenourhorizons.因此,我认为,我们应该充分利用网络资源来扩充我们的知识面。Onthecontrary,somepeoplethinkcollegeStudentsshouldmakefulluseoftheirsparetimetodopart-timejobssothattheycangetsomeworkexperience.相反,有些人认为大学生们应该充分利用课后时间来做兼职工作,以便获得工作经验。8.Itisestimatedthat….据估计….据估计,90%的学生都有自己的手机,他们喜欢用手机来发短信给朋友。Itisestimatedthat90%ofstudentshavetheirownmobilephones,withwhichtheyliketosendshortmessagestofriends.(Itisestimatedthat90%ofstudentshavetheirownmobilephones,andtheyliketosendshortmessagestofriends.)Itisestimatedthat9%ofstudentshavetodropoutofschool/quitschoolbecausetheycannotpayforthetuition.9.Theresultsofthesurveysuggestthat……调查的结果表明…..TheresultofthesurveysuggeststhatmanyChinesestudentsabroadspendmostoftheirtimeonstudyandhavelittletimeforpart-timejobs.调查结果表明,许多中国留学生大部分的时间用来学习,没有时间来做兼职工作。10.Asforsth/doingsth,至于….Asforadvertisements,manyconsumersaren’tsatisfiedwiththemandthinkmostofthemareuntruthful.至于广告,许多消费者对它们表示不满,认为它们大多数是不真实的。11.人们普遍认为Itiscommonlybelievedthat…12.一些人…而另外一些人…Somepeople…whileothers…13.therebe结构的高级句型1.Thereisnodoubtthat...毫无疑问……2.Thereisnoneedtodosth.没必要做某事(=Itisunnecessarytodosth.)3.Thereisnosense/pointindoingsth.做……没有意义4.Thereisnouse(in)doingsth.做某事没用(=Itisuselesstodosth.)14.doing...,Walkinginthepark,Isawsomeyoungpeopleboatinginthelake.Tomstoodbythewindow,lookingsadlyatthesky.15.主语+think/find+it+名词/形容词+(forsb.)todosth.Wethinkitimportantforyoutoreadthecontractcarefullybeforeyousignit.16.Notonly...butalso...NotonlyIbutalsomyhusbandadmitsthatAnnismorecapablethanherbrother.Notonlycanpropersportsactivitieshelpusstrengthenourphysicalbody,butalsobuildoursenseofcompetitionandcooperation.适当的体育活动不但可以强身健体,而且还能够培养竞争与合作的意识。