一、~~~ the + ~ est + 名词 + (that) + 主词 + have ever + seen ( known/heard/had/read, etc) gbu@&
~~~ the most + 形容词 + 名词 + (that) + 主词 + have ever + seen ( known/heard/had/read, etc) Gn >~CoFN
例句：Helen is the most beautiful girl that I have ever seen. g#r,u5<*?
二、Nothing is + ~~~ er than to + V Nothing is + more + 形容词 + than to + V 31{) ~8
例句：Nothing is more important than to receive education. wY_! s Qo
三、~~~ cannot emphasize the importance of ~~~ too much.(再怎么强调...的重要性也不为过。) *(j -jbA
例句：We cannot emphasize the importance of protecting our eyes too much. 7YQ689"J6B
四、There is no denying that + S + V ...(不可否认的...) @h)X3X
例句：There is no denying that the qualities of our living have gone from bad to worse. Xf*}V+&WN
五、It is universally acknowledged that + 句子~~ (全世界都知道...) p ^U#1c
例句：It is universally acknowledged that trees are indispensable to us. P/ 7aj:h~P
六、There is no doubt that + 句子~~ (毫无疑问的...) {!37w[s~
例句：There is no doubt that our educational system leaves something to be desired. u#`'|ko \9
七、An advantage of ~~~ is that + 句子 (...的优点是...) #}aBRKZ f6
例句：An advantage of using the solar energy is that it won’t create (produce) any pollution. QI{<q<
八、The reason why + 句子 ~~~ is that + 句子 (...的原因是...) >|_B=<!99W
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 Fu"@)xw/-q
grow trees is that they can supply fresh air for us. a 8.Xy])!
九、So + 形容词 + be + 主词 + that + 句子 (如此...以致于...) nCPIpw,]M
例句：So precious is time that we can’t afford to waste it. ~)%D iGW&
十、Adj + as + Subject(主词)+ be, S + V~~~ (虽然...) ^ Mw=!n[
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} : ?z E@Ct
十一、On no account can we + V ~~~ (我们绝对不能...) CQ^ I;[=d
例句：On no account can we ignore the value of knowledge. x(bM
十二、It is time + S + 过去式 (该是...的时候了) &E$:^a4d
例句：It is time the authorities concerned took proper steps to solve the traffic problems. * kKd L
十三、There is no one but ~~~ (没有人不...) H <ugc
例句：There is no one but longs to go to college. 73tWeZ8rvx
十四、be + forced/compelled/obliged + to + V (不得不...) ]_ &pIBp
例句：Since the examination is around the corner, I am compelled to give up doing sports. @ )m9#F
十五、It pays to + V ~~~ (...是值得的。) hv 8j$2m
例句：It pays to help others. 8`;3`lZ
十六、Spare no effort to + V (不遗余力的) W!4xE
例句：We should spare no effort to beautify our environment. HK!Vd_&9,
