一、~~~ the + ~ est. /the most + 形容词+ 名词 + (that) + 主词 + have ever + seen ( known/heard/had/read, etc)
  例句:Helen is the most beautiful girl that I have ever seen.   海伦是我所看过最美丽的女孩。   Mr. Chang is the kindest teacher that I have ever had.   张老师是我曾经遇到最仁慈的教师。
  二、Nothing is + ~~~ er than to + V Nothing is + more + 形容词 + than to + V  
  例句:Nothing is more important than to receive education.   没有比接受教育更重要的事。
  三、~~~ cannot emphasize the importance of ~~~ too much。(再怎么强调.。。的重要性也不为过。)
  例句:We cannot emphasize the importance of protecting our eyes too much.   我们再怎么强调保护眼睛的重要性也不为过。
  四、There is no denying that + S + V .。。(不可否认的.。。)
  例句:There is no denying that the qualities of our living have gone from bad to worse.   不可否认的,我们的生活品质已经每况愈下。
  五、It is universally acknowledged that + 句子~~ (全世界都知道.。。)
  例句:It is universally acknowledged that trees are indispensable to us.   全世界都知道树木对我们是不可或缺的。
  六、There is no doubt that + 句子~~ (毫无疑问的.。。)  
  例句:There is no doubt that our educational system leaves something to be desired.   毫无疑问的我们的教育制度令人不满意。
  七、An advantage of ~~~ is that + 句子 (.。。的优点是.。。)   
  例句:An advantage of using the solar energy is that it won't create (produce) any pollution.   用太阳能的优点是它不会制造任何污染。
  八、The reason why + 句子 ~~~ is that + 句子 (.。。的原因是.。。)   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 grow trees is that they can supply fresh air for us.   我们必须种树的原因是它们能供应我们新鲜的空气。
  九、So + 形容词 + be + 主词 + that + 句子 (如此.。。以致于.。。)   例句:So precious is time that we can't afford to waste it.   时间是如此珍贵,我们经不起浪费它。
  十、Adj + as + Subject(主词)+ be, S + V~~~ (虽然.。。)
  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}   虽然我们的国家富有,我们的生活品质绝对令人不满意。
  十一、The + ~er /The + more + Adj+ S + V, ~~~ the + ~er + S + V ~~~  (愈.。。愈.。。)
  例句:The harder you work, the more progress you make.   你愈努力,你愈进步。   The more books we read, the more learned we become.   我们书读愈多,我们愈有学问。
  十二、By +Ving, ~~ can ~~ (借着…,。。能够。。)  
  例句:By taking exercise, we can always stay healthy.   借着做运动,我们能够始终保持健康。
  十三、~~~ enable + Object(受词)+ to + V (。.使。.能够。.)
  例句:Listening to music enable us to feel relaxed.   听音乐使我们能够感觉轻松。
  十四、On no account can we  + V ~~~ (我们绝对不能.。.)
  例句:On no account can we ignore the value of knowledge.   我们绝对不能忽略知识的价值。
  十五、It is time + S + 过去式 (该是.。.的时候了)  
  例句:It is time the authorities concerned took proper steps to solve the traffic problems.   该是有关当局采取适当的措施来解决交通问题的时候了。