1、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.
2、Nothingis+~~~erthanto+VNothingis+more+形容词+thanto+V
例句：Nothingismoreimportantthantoreceiveeducation.
3、~~~cannotemphasizetheimportanceof~~~toomuch.(再怎么强调...的重要性也不为过英语四级作文加分句型英语四级作文加分句型。)
例句：Wecannotemphasizetheimportanceofprotectingoureyestoomuch.
4、Thereisnodenyingthat+S+V...(不可否认的...)
例句：Thereisnodenyingthatthequalitiesofourlivinghavegonefrombadtoworse.
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)anypollution.
8、Thereasonwhy+句子~~~isthat+句子(...的原因是...)
例句：Thereasonwhywehavetogrowtreesisthattheycanprovideuswithfreshair./Thereasonwhywehavetogrowtreesisthattheycansupplyfreshairforus.
9、So+形容词+be+主词+that+句子(如此...以致于...)
例句：Sopreciousistimethatwecan’taffordtowasteit.
时间是如此珍贵，我们经不起浪费它英语四级作文加分句型英语四级。
10、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。
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