一、~~~ the + ~ est + 名词 + (that) + 主词 + have ever + seen ( known/heard/had/read, etc) h rN%
~~~ the most + 形容词 + 名词 + (that) + 主词 + have ever + seen ( known/heard/had/read, etc) ,t$,idcT+
例句：Helen is the most beautiful girl that I have ever seen. M~
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二、Nothing is + ~~~ er than to + V Nothing is + more + 形容词 + than to + V
D@YP7
例句：Nothing is more important than to receive education. 3NK ^AaTK
三、~~~ cannot emphasize the importance of ~~~ too much.(再怎么强调...的重要性也不为过。) N1Ee zC'^
例句：We cannot emphasize the importance of protecting our eyes too much. b%(6EiUA
四、There is no denying that + S + V ...(不可否认的...) }k$4/7ri
例句：There is no denying that the qualities of our living have gone from bad to worse. zri}
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五、It is universally acknowledged that + 句子~~ (全世界都知道...) [pOg'
例句：It is universally acknowledged that trees are indispensable to us. **_&i!dtL
六、There is no doubt that + 句子~~ (毫无疑问的...) tV;% J4E'
例句：There is no doubt that our educational system leaves something to be desired. /)|X.D
七、An advantage of ~~~ is that + 句子 (...的优点是...) ,%"xH4d
例句：An advantage of using the solar energy is that it won’t create (produce) any pollution. mPZG A\
八、The reason why + 句子 ~~~ is that + 句子 (...的原因是...) *e.*=$
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 !4#"!Md4o
grow trees is that they can supply fresh air for us. 8pZ< 9t'
九、So + 形容词 + be + 主词 + that + 句子 (如此...以致于...) ~. tvrx g
例句：So precious is time that we can’t afford to waste it. \y
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十、Adj + as + Subject(主词)+ be, S + V~~~ (虽然...) yOXO)u1n
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} 9>
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十一、On no account can we + V ~~~ (我们绝对不能...) &vUq}r%P
例句：On no account can we ignore the value of knowledge. .#6MQJ]OH
十二、It is time + S + 过去式 (该是...的时候了) t={0(
例句：It is time the authorities concerned took proper steps to solve the traffic problems. (yrh=6=z
十三、There is no one but ~~~ (没有人不...) &K%aw
例句：There is no one but longs to go to college. ;6;H*Y0,|E
十四、be + forced/compelled/obliged + to + V (不得不...) '"YYj$>
'
例句：Since the examination is around the corner, I am compelled to give up doing sports. ?H|T& 6 6
十五、It pays to + V ~~~ (...是值得的。) Nud,\mXrY[
例句：It pays to help others. E0f{iO ;}
十六、Spare no effort to + V (不遗余力的) BR_TykP
例句：We should spare no effort to beautify our environment. ^JeMuU
