一、~~~ the + ~ est + 名词 + (that) + 主词 + have ever + seen ( known/heard/had/read, etc)
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~~~ the most + 形容词 + 名词 + (that) + 主词 + have ever + seen ( known/heard/had/read, etc) klC;fm2C
例句：Helen is the most beautiful girl that I have ever seen. >h3r\r\n3
二、Nothing is + ~~~ er than to + V Nothing is + more + 形容词 + than to + V 2#z 6= M~A
例句：Nothing is more important than to receive education. 0i }4T:J@`
三、~~~ cannot emphasize the importance of ~~~ too much.(再怎么强调...的重要性也不为过。) ]w!gv
/;
例句：We cannot emphasize the importance of protecting our eyes too much. @WIcH:_w-
四、There is no denying that + S + V ...(不可否认的...) K-Bf=7F,
例句：There is no denying that the qualities of our living have gone from bad to worse. F,0 @z/8a
五、It is universally acknowledged that + 句子~~ (全世界都知道...) %-? :'F
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例句：It is universally acknowledged that trees are indispensable to us. ?haN ;n6'
六、There is no doubt that + 句子~~ (毫无疑问的...) +hdD*}qauC
例句：There is no doubt that our educational system leaves something to be desired. Uf^zA/33
七、An advantage of ~~~ is that + 句子 (...的优点是...) %1Ga t6V<'
例句：An advantage of using the solar energy is that it won’t create (produce) any pollution. wT?.Mte
八、The reason why + 句子 ~~~ is that + 句子 (...的原因是...) *@'4 A :A
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 VO ^ [7Y
grow trees is that they can supply fresh air for us. yYmV^7G
九、So + 形容词 + be + 主词 + that + 句子 (如此...以致于...) ra \Moy
例句：So precious is time that we can’t afford to waste it. q1j<p)(
十、Adj + as + Subject(主词)+ be, S + V~~~ (虽然...) 'Z LGt#
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} 3nt&Sf
十一、On no account can we + V ~~~ (我们绝对不能...) wD >tR
SW
例句：On no account can we ignore the value of knowledge. c)8V^7= Q
十二、It is time + S + 过去式 (该是...的时候了) 0-~Y[X"9.
例句：It is time the authorities concerned took proper steps to solve the traffic problems. |ubDud zp
十三、There is no one but ~~~ (没有人不...) 1aKY
xjYM
例句：There is no one but longs to go to college. j""I,$t
十四、be + forced/compelled/obliged + to + V (不得不...) j`I[M6Qxh
例句：Since the examination is around the corner, I am compelled to give up doing sports. fII; t-(x
十五、It pays to + V ~~~ (...是值得的。) ,eq[X\B>
例句：It pays to help others. CC 1\0$ /
十六、Spare no effort to + V (不遗余力的) zAEq)9Y"l'
例句：We should spare no effort to beautify our environment. 0T 2h3,
