一、~~~ the + ~ est + 名词 + (that) + 主词 + have ever + seen ( known/heard/had/read, etc) oQ=v:P]
~~~ the most + 形容词 + 名词 + (that) + 主词 + have ever + seen ( known/heard/had/read, etc) {[<o)k .A
例句：Helen is the most beautiful girl that I have ever seen. oXQzCjX_
二、Nothing is + ~~~ er than to + V Nothing is + more + 形容词 + than to + V ?c$z? QTMJ
例句：Nothing is more important than to receive education. 3 kc.U
三、~~~ cannot emphasize the importance of ~~~ too much.(再怎么强调...的重要性也不为过。) zFn!>Tqe
例句：We cannot emphasize the importance of protecting our eyes too much. Tf|? j=f
四、There is no denying that + S + V ...(不可否认的...) VN5UJ!$?J
例句：There is no denying that the qualities of our living have gone from bad to worse. dE`a1H%
五、It is universally acknowledged that + 句子~~ (全世界都知道...) 8~~*/oCoJt
例句：It is universally acknowledged that trees are indispensable to us. s\CZ os&
六、There is no doubt that + 句子~~ (毫无疑问的...)
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例句：There is no doubt that our educational system leaves something to be desired. ;
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七、An advantage of ~~~ is that + 句子 (...的优点是...) TVVr<r
例句：An advantage of using the solar energy is that it won’t create (produce) any pollution. $CXMeY{tOo
八、The reason why + 句子 ~~~ is that + 句子 (...的原因是...) ;$\?o
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 "IjCuR;#
grow trees is that they can supply fresh air for us. nz?jN
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九、So + 形容词 + be + 主词 + that + 句子 (如此...以致于...) N>+s8L.?
例句：So precious is time that we can’t afford to waste it. ~$bkWb*RJ
十、Adj + as + Subject(主词)+ be, S + V~~~ (虽然...) >`3wEJ"<
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} Hju7
gP=y}
十一、On no account can we + V ~~~ (我们绝对不能...) GW29Rj1
例句：On no account can we ignore the value of knowledge. l$1 z%|I
十二、It is time + S + 过去式 (该是...的时候了) m$bX;F}T
例句：It is time the authorities concerned took proper steps to solve the traffic problems. kPt] [1jo
十三、There is no one but ~~~ (没有人不...) 5*q!:$
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例句：There is no one but longs to go to college. :skNEY].
十四、be + forced/compelled/obliged + to + V (不得不...) w`N|e0G@
例句：Since the examination is around the corner, I am compelled to give up doing sports. l
J'. 1Z&
十五、It pays to + V ~~~ (...是值得的。) 1feZ`P ;
例句：It pays to help others. zE~{}\J
十六、Spare no effort to + V (不遗余力的) w;=fi}<G|e
例句：We should spare no effort to beautify our environment. pq3W. 7z;b
