一、~~~ the + ~ est + 名词 + (that) + 主词 + have ever + seen ( known/heard/had/read, etc)
~~~ 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。
使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 + S + V, ~~~ the + ~er + S + V ~~~
The + more + Adj + S + V, ~~~ the + more + Adj + 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 we51Test+ V ~~~ （我们绝对不能。。。）
例句：On no account can we ignore the value of knowledge。