一、~~~ the + ~ est + 名词 + (that) + 主词 + have ever + seen ( known/heard/had/read, etc) g"Mqh!{
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~~~ the most + 形容词 + 名词 + (that) + 主词 + have ever + seen ( known/heard/had/read, etc) Soy!)c]
例句：Helen is the most beautiful girl that I have ever seen. VJmX @zX9
二、Nothing is + ~~~ er than to + V Nothing is + more + 形容词 + than to + V i `U:uwW`
例句：Nothing is more important than to receive education. +L uGjDn0
三、~~~ cannot emphasize the importance of ~~~ too much.(再怎么强调...的重要性也不为过。) v]SHude{
例句：We cannot emphasize the importance of protecting our eyes too much. $<cio
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四、There is no denying that + S + V ...(不可否认的...) 78zj C6}`
例句：There is no denying that the qualities of our living have gone from bad to worse. \n$s5i-
五、It is universally acknowledged that + 句子~~ (全世界都知道...) a$ H*C(wL
例句：It is universally acknowledged that trees are indispensable to us. d$Y3 a^O|
六、There is no doubt that + 句子~~ (毫无疑问的...) {G$I|<MD2T
例句：There is no doubt that our educational system leaves something to be desired. G347&F)
七、An advantage of ~~~ is that + 句子 (...的优点是...) 41Bp^R}^/
例句：An advantage of using the solar energy is that it won’t create (produce) any pollution. v'gP,UO-%D
八、The reason why + 句子 ~~~ is that + 句子 (...的原因是...) 5{/CqUIl
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 *W
aL}i(P1
grow trees is that they can supply fresh air for us. E ]$Y
M5
九、So + 形容词 + be + 主词 + that + 句子 (如此...以致于...) .#0),JJZ[
例句：So precious is time that we can’t afford to waste it. 9ZFvN*Zf'
十、Adj + as + Subject(主词)+ be, S + V~~~ (虽然...) KzD5>Xf]4$
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} Hbwjs?Vq?]
十一、On no account can we + V ~~~ (我们绝对不能...) 5(e?,B }
例句：On no account can we ignore the value of knowledge. 2c:H0O
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十二、It is time + S + 过去式 (该是...的时候了) LoZ8;VU
例句：It is time the authorities concerned took proper steps to solve the traffic problems. jusP
aAdW
十三、There is no one but ~~~ (没有人不...) b*$/(2"m
例句：There is no one but longs to go to college. 6!P];3&o\A
十四、be + forced/compelled/obliged + to + V (不得不...) v\7k
例句：Since the examination is around the corner, I am compelled to give up doing sports. u=^0n2ez
十五、It pays to + V ~~~ (...是值得的。) f5D.wSY
例句：It pays to help others. E><!Owxt/
十六、Spare no effort to + V (不遗余力的) p_h)|*W{
例句：We should spare no effort to beautify our environment. St/<\Y,wr
