1.the+~est/(most+形容词)+名词+(that)+主词+haveever+seen(known/heard/had/read,etc)
例句：HelenisthemostbeautifulgirlthatIhaveeverseen.
Mr.ChangisthekindestteacherthatIhaveeverhad.
2.Nothingis+~~~erthanto+VNothingis+more+形容词+thanto+V
例句：Nothingismoreimportantthantoreceiveeducation.
3.~~~cannotemphasizetheimportanceof~~~toomuch.(再怎么强调...的重要性也不为过。)
例句：Wecannotemphasizetheimportanceofprotectingoureyestoomuch.
4.Thereisnodenyingthat+S+V...(不可否认的...)
例句：Thereisnodenyingthatthequalitiesofourlivinghavegonefrombadto
5.Itisuniversallyacknowledgedthat+句子~~(全世界都知道...)
例句：Itisuniversallyacknowledgedthattreesareindispensabletous.
6.Thereisnodoubtthat+句子~~(毫无疑问的...)
例句：Thereisnodoubtthatoureducationalsystemleavessomethingtobedesired.
7.Anadvantageof~~~isthat+句子(...的优点是...)
例句：Anadvantageofusingthesolarenergyisthatitwon’tcreate(produce)any
8.Thereasonwhy+句子~~~isthat+句子(...的原因是...)
例句：Thereasonwhywehavetogrowtreesisthattheycanprovideuswithfresh
air./Thereasonwhywehavetogrowtreesisthattheycansupplyfreshair
9.The+~er+S+V,~~~the+~er+S+V~~~
The+more+Adj+S+V,~~~the+more+Adj+S+V~~~(愈...愈...)
例句：Theharderyouwork,themoreprogressyoumake.
Themorebooksweread,themorelearnedwebecome.
10.By+Ving,~~can~~(借着...，..能够..)
例句：Bytakingexercise,wecanalwaysstayhealthy.
11.~~~enable+Object(受词)+to+V(..使..能够..)
例句：Listeningtomusicenableustofeelrelaxed.
12.Itistime+S+过去式(该是...的时候了)
例句：Itistimetheauthoritiesconcernedtookproperstepstosolve
thetrafficproblems.
该是有关当局采取适当的措施来解决交通问题的时候了。
13.Thosewho~~~(...的人...)
例句：Thosewhoviolatetrafficregulationsshouldbepunished.
