一、~~~ the + ~ est + 名词 + (that) + 主词 + have ever + seen ( known/heard/had/read, etc) -%dCw6aX+
~~~ the most + 形容词 + 名词 + (that) + 主词 + have ever + seen ( known/heard/had/read, etc) QdC<Sk!G
例句：Helen is the most beautiful girl that I have ever seen. l@:0e]8|o
二、Nothing is + ~~~ er than to + V Nothing is + more + 形容词 + than to + V PxE3K-S)G
例句：Nothing is more important than to receive education. 9k=3u;$v
三、~~~ cannot emphasize the importance of ~~~ too much.(再怎么强调...的重要性也不为过。) M#[{>6>iE
例句：We cannot emphasize the importance of protecting our eyes too much. w`=\5Oa .G
四、There is no denying that + S + V ...(不可否认的...) YAmb `CP
例句：There is no denying that the qualities of our living have gone from bad to worse. 9)=ctoZ'
五、It is universally acknowledged that + 句子~~ (全世界都知道...) f
V( J|
例句：It is universally acknowledged that trees are indispensable to us. 4H<lm*! ^
六、There is no doubt that + 句子~~ (毫无疑问的...) F }q c0
例句：There is no doubt that our educational system leaves something to be desired. .GcKa024
七、An advantage of ~~~ is that + 句子 (...的优点是...) :,I:usW"
例句：An advantage of using the solar energy is that it won’t create (produce) any pollution. d^6M9lGU
八、The reason why + 句子 ~~~ is that + 句子 (...的原因是...) kS h( u
例句：The reason why we have to grow trees is that they can provide us with fresh air./ The reason why we have to GM<-&s!Uj
grow trees is that they can supply fresh air for us. e 3TI|e_
九、So + 形容词 + be + 主词 + that + 句子 (如此...以致于...) k@:%:Sj 2
例句：So precious is time that we can’t afford to waste it. r>U@3%0&
十、Adj + as + Subject(主词)+ be, S + V~~~ (虽然...) i7>tU=
例句：Rich as our country is, the qualities of our living are by no means satisfactory. {by no means = in no way = on no account 一点也不} >e"#'K0?\
十一、On no account can we + V ~~~ (我们绝对不能...) DDH:)=;z
例句：On no account can we ignore the value of knowledge. Wiu"k%Qsh
十二、It is time + S + 过去式 (该是...的时候了) r$~HfskeI
例句：It is time the authorities concerned took proper steps to solve the traffic problems. |H+Wed|
十三、There is no one but ~~~ (没有人不...) !I
Qck8Y
例句：There is no one but longs to go to college. `$C
n~dT
十四、be + forced/compelled/obliged + to + V (不得不...) I(0~n,=j
例句：Since the examination is around the corner, I am compelled to give up doing sports. ^]-6u:J!
十五、It pays to + V ~~~ (...是值得的。) >
"= >3
例句：It pays to help others. 3kMf!VL
十六、Spare no effort to + V (不遗余力的) A$:U'ZG_
例句：We should spare no effort to beautify our environment. ^M>P: ~
