一、~~~ the + ~ est + 名词 + (that) + 主词 + have ever + seen ( known/heard/had/read, etc) b
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~~~ the most + 形容词 + 名词 + (that) + 主词 + have ever + seen ( known/heard/had/read, etc) QbqLj>-AJ
例句：Helen is the most beautiful girl that I have ever seen. 3g2 t{ %
二、Nothing is + ~~~ er than to + V Nothing is + more + 形容词 + than to + V JEBo!9
例句：Nothing is more important than to receive education. &"C1XM
三、~~~ cannot emphasize the importance of ~~~ too much.(再怎么强调...的重要性也不为过。) i$:CGUb
例句：We cannot emphasize the importance of protecting our eyes too much. x'JfRz
四、There is no denying that + S + V ...(不可否认的...) /2d>nj
例句：There is no denying that the qualities of our living have gone from bad to worse. '/XP4B\(E
五、It is universally acknowledged that + 句子~~ (全世界都知道...)
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例句：It is universally acknowledged that trees are indispensable to us. 7xB]Z;:
六、There is no doubt that + 句子~~ (毫无疑问的...) (!8b$) k
例句：There is no doubt that our educational system leaves something to be desired. _vb'3~'S
七、An advantage of ~~~ is that + 句子 (...的优点是...) Gjq7@F'
例句：An advantage of using the solar energy is that it won’t create (produce) any pollution. 4D n &+=fq
八、The reason why + 句子 ~~~ is that + 句子 (...的原因是...) K_ymA,&()
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 bh5P98
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grow trees is that they can supply fresh air for us.
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九、So + 形容词 + be + 主词 + that + 句子 (如此...以致于...) 6ERMn"[_w
例句：So precious is time that we can’t afford to waste it. 9[ X'9* ,
十、Adj + as + Subject(主词)+ be, S + V~~~ (虽然...) 2!
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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} dHiir&Rd9`
十一、On no account can we + V ~~~ (我们绝对不能...) Kyk{ :UnI
例句：On no account can we ignore the value of knowledge. oB!Y)f6H1
十二、It is time + S + 过去式 (该是...的时候了) (x/:j*`K
例句：It is time the authorities concerned took proper steps to solve the traffic problems. P-[})Z=
十三、There is no one but ~~~ (没有人不...) wmVb0~[
例句：There is no one but longs to go to college.
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十四、be + forced/compelled/obliged + to + V (不得不...) "|J6*s
例句：Since the examination is around the corner, I am compelled to give up doing sports. z]hRc8 g}d
十五、It pays to + V ~~~ (...是值得的。) <) LR
例句：It pays to help others. JAjiG^]
十六、Spare no effort to + V (不遗余力的) G Wa6FX:/
例句：We should spare no effort to beautify our environment. Hc<@T_h+2
