一、~~~ the + ~ est + 名词 + (that) + 主词 + have ever + seen ( known/heard/had/read, etc) !d nCr R
~~~ the most + 形容词 + 名词 + (that) + 主词 + have ever + seen ( known/heard/had/read, etc) V"Cx5#\7C
例句：Helen is the most beautiful girl that I have ever seen. #b~B
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二、Nothing is + ~~~ er than to + V Nothing is + more + 形容词 + than to + V mJ+M|#Ox
例句：Nothing is more important than to receive education. xgDd5 `W
三、~~~ cannot emphasize the importance of ~~~ too much.(再怎么强调...的重要性也不为过。) y7CC5S ?
例句：We cannot emphasize the importance of protecting our eyes too much. CD^C}MB
四、There is no denying that + S + V ...(不可否认的...) 42/MBP`\Y
例句：There is no denying that the qualities of our living have gone from bad to worse. Ov$>CA
五、It is universally acknowledged that + 句子~~ (全世界都知道...) Xir
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例句：It is universally acknowledged that trees are indispensable to us. w8=&rzr8
六、There is no doubt that + 句子~~ (毫无疑问的...) ol0i^d*9F
例句：There is no doubt that our educational system leaves something to be desired. o3"Nxq"U
七、An advantage of ~~~ is that + 句子 (...的优点是...) ]OSq}ul
例句：An advantage of using the solar energy is that it won’t create (produce) any pollution. ^4b;rLfk@
八、The reason why + 句子 ~~~ is that + 句子 (...的原因是...) a}e GB +
例句：The reason why we have to grow trees is that they can provide us with fresh air./ The reason why we have to vp
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grow trees is that they can supply fresh air for us. (himx8Uml2
九、So + 形容词 + be + 主词 + that + 句子 (如此...以致于...) X-=4Z9
例句：So precious is time that we can’t afford to waste it. z!M #
十、Adj + as + Subject(主词)+ be, S + V~~~ (虽然...) ?gsPHP US
例句：Rich as our country is, the qualities of our living are by no means satisfactory. {by no means = in no way = on no account 一点也不} yk0 tA
十一、On no account can we + V ~~~ (我们绝对不能...) e# U@n
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例句：On no account can we ignore the value of knowledge. GE8.{P
十二、It is time + S + 过去式 (该是...的时候了) DPlDuUOd
例句：It is time the authorities concerned took proper steps to solve the traffic problems. z`qb>Y"xf3
十三、There is no one but ~~~ (没有人不...) Kv9$c(~#
例句：There is no one but longs to go to college. 6b7c9n Z
十四、be + forced/compelled/obliged + to + V (不得不...) b'ZzDYN
例句：Since the examination is around the corner, I am compelled to give up doing sports. csd9[=HW/Q
十五、It pays to + V ~~~ (...是值得的。) )Q 5 x%
例句：It pays to help others. v 8YF+N
十六、Spare no effort to + V (不遗余力的) ih|;H:"^
例句：We should spare no effort to beautify our environment. x5Ue"RMl+
