一、~~~the+~est+名词+(that)+主词+haveever+seen(known/heard/had/read,etc)
~~~themost+形容词+名词+(that)+主词+haveever+seen(known/heard/had/read,etc)
例句：HelenisthemostbeautifulgirlthatIhaveeverseen.
Mr.ChangisthekindestteacherthatIhaveeverhad.
二、Nothingis+~~~erthanto+VNothingis+more+形容词+thanto+V
例句：Nothingismoreimportantthantoreceiveeducation.
三、~~~cannotemphasizetheimportanceof~~~toomuch.(再怎么强调...的重要性也不为过。)
例句：Wecannotemphasizetheimportanceofprotectingoureyestoomuch.
四、Thereisnodenyingthat+S+V...(不可否认的...)
例句：Thereisnodenyingthatthequalitiesofourlivinghavegonefrombadtoworse.
五、Itisuniversallyacknowledgedthat+句子~~(全世界都知道...)
例句：Itisuniversallyacknowledgedthattreesareindispensabletous.
六、Thereisnodoubtthat+句子~~(毫无疑问的...)
例句：Thereisnodoubtthatoureducationalsystemleavessomethingtobedesired.
七、Anadvantageof~~~isthat+句子(...的优点是...)
例句：Anadvantageofusingthesolarenergyisthatitwon’tcreate(produce)anypollution.
八、Thereasonwhy+句子~~~isthat+句子(...的原因是...)
例句：Thereasonwhywehavetogrowtreesisthattheycanprovideuswithfreshair./Thereasonwhywehavetogrowtreesisthattheycansupplyfreshairforus.
九、So+形容词+be+主词+that+句子(如此...以致于...)
例句：Sopreciousistimethatwecan’taffordtowasteit.
十、Adj+as+Subject(主词)+be,S+V~~~(虽然...)
例句：Richasourcountryis,thequalitiesofourlivingarebynomeanssatisfactory.{bynomeans=innoway=onnoaccount一点也不}
虽然我们的国家富有，我们的生活品质绝对令人不满意。
十一、The+~er+S+V,
~~~the+more+Adj+S+V~~~(愈...愈...)
例句：Theharderyouwork,themoreprogressyoumake.
Themorebooksweread,themorelearnedwebecome.
十二、By+Ving,~~can~~(借着...，..能够..)
例句：Bytakingexercise,wecanalwaysstayhealthy.
十三、~~~enable+Object(受词)+to+V(..使..能够..)
例句：Listeningtomusicenableustofeelrelaxed.
十四、Onnoaccountcanwe+V~~~(我们绝对不能...)
例句：Onnoaccountcanweignorethevalueofknowledge.
十五、Itistime+S+过去式(该是...的时候了)
例句：Itistimetheauthoritiesconcernedtookproperstepstosolvethetrafficproblems.
该是有关当局采取适当的措施来解决交通问题的时候了。
十六、Thosewho~~~(...的人...)
例句：Thosewhoviolatetrafficregulationsshouldbepunished.
十七、Thereisnoonebut~~~(没有人不...)
例句：Thereisnoonebutlongstogotocollege.
十八、be+forced/compelled/obliged+to+V(不得不...)
例句：Sincetheexaminationisaroundthecorner,Iamcompelledtogiveupdoingsports.
十九、Itisconceivablethat+句子(可想而知的)
例句：Itisconceivablethatknowledgeplaysanimportantroleinourlife.
二十、Thatisthereasonwhy~~~(那就是...的原因)
例句：Summerissultry.ThatisthereasonwhyIdon’tlikeit.
二十一、Forthepast+时间，S+现在完成式...(过去...年来，...一直...)
例句：Forthepasttwoyears,Ihavebeenbusypreparingfortheexamination.
二十二、Since+S+过去式，S+现在完成式。
例句：Sincehewenttoseniorhighschool,hehasworkedveryhard.
二十三、Itpaysto+V~~~(...是值得的。)
二十四、bebasedon(以...为基础)
例句：Theprogressoftheesocietyisbasedonharmony.
二十五、Sparenoeffortto+V(不遗余力的)
例句：Weshouldsparenoefforttobeautifyourenvironment.
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