一、~~~ the + ~ est + 名词 + (that) + 主词 + have ever + seen ( known/heard/had/read, etc) `}bvbvmA
~~~ the most + 形容词 + 名词 + (that) + 主词 + have ever + seen ( known/heard/had/read, etc) d 79 2#Dc
例句：Helen is the most beautiful girl that I have ever seen. !<~ cjgdx
二、Nothing is + ~~~ er than to + V Nothing is + more + 形容词 + than to + V tL< .B
例句：Nothing is more important than to receive education. ?*7Mn`
三、~~~ cannot emphasize the importance of ~~~ too much.(再怎么强调...的重要性也不为过。) E8p,l>6(f
例句：We cannot emphasize the importance of protecting our eyes too much. +#< Z/
四、There is no denying that + S + V ...(不可否认的...) M,bs`amz
例句：There is no denying that the qualities of our living have gone from bad to worse. ` QW=<Le ?
五、It is universally acknowledged that + 句子~~ (全世界都知道...) 'lu3BQvfh
例句：It is universally acknowledged that trees are indispensable to us. {I?)ODx7qC
六、There is no doubt that + 句子~~ (毫无疑问的...) S R?(z
例句：There is no doubt that our educational system leaves something to be desired. iXvrZofE
七、An advantage of ~~~ is that + 句子 (...的优点是...) {0-rnSjC
例句：An advantage of using the solar energy is that it won’t create (produce) any pollution. YV@efPy}n
八、The reason why + 句子 ~~~ is that + 句子 (...的原因是...) 3hUP>F8
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 MHye!T6fO\
grow trees is that they can supply fresh air for us. ijzwct#.
九、So + 形容词 + be + 主词 + that + 句子 (如此...以致于...) e6jA4 X+a
例句：So precious is time that we can’t afford to waste it. v+SdjFAY
十、Adj + as + Subject(主词)+ be, S + V~~~ (虽然...) ~<s^HP2U{
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} *yjnC
十一、On no account can we + V ~~~ (我们绝对不能...) f:J-X~T_f
例句：On no account can we ignore the value of knowledge. q(~|roKA(
十二、It is time + S + 过去式 (该是...的时候了) ',LC!^:~Nw
例句：It is time the authorities concerned took proper steps to solve the traffic problems. <1<xSr
十三、There is no one but ~~~ (没有人不...) K{"hf:k
例句：There is no one but longs to go to college. {>~9?Xwh
十四、be + forced/compelled/obliged + to + V (不得不...) *)6\ V}`
例句：Since the examination is around the corner, I am compelled to give up doing sports. n 9`]}bnX
十五、It pays to + V ~~~ (...是值得的。) {P_ 7AM
例句：It pays to help others. JEMc _ngR!
十六、Spare no effort to + V (不遗余力的) oM
Z94 , 3
例句：We should spare no effort to beautify our environment. j0a=v}j3
