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)
Lack of interpersonal skills is one of the most serious defects that we have ever known about today’s college students.
二、Nothing is + ~~~ er than to + V
Nothing is + more + 形容词 + than to + V
例句：For parents, nothing is more important than to educate children in a proper way.
三、~~~ cannot emphasize the importance of ~~~ too much.
例句：We cannot emphasize the importance of protecting celebrities’ privacy too much.
四、There is no denying that + S + V ...(不可否认的...)
例句：There is no denying that the practicality of our higher education has gone from bad to worse.
五、It is universally acknowledged that + 句子~~ (全世界都知道...)
例句：It is universally acknowledged that it is the doctor’s duty and obligation to heal the wounded and rescue the dying.
六、There is no doubt that + 句子~~ (毫无疑问的...)
例句：There is no doubt that the Internet is far more convenient and efficient than the written word or other conventional means of conveying meaning.
七、An advantage of ~~~ is that + 句子 (...的优点是...)
例句：An advantage of children’s participating in some paid work is that this practice can cultivate their independence, self-determination and sense of responsibility.
八、The reason why + 句子 ~~~ is that + 句子 (...的原因是...)
例句：The reason why a large number of customs have altered a great deal is that most of them are connected with some superstitious beliefs, and they cannot fit in this world with highly-developed technology.