一、~~~ the + ~ est + 名詞 + + 主詞 + have ever + seen

　　~~~ the most + 形容詞 + 名詞 + + 主詞 + have ever + seen

　　例句：Helen is the most beautiful girl that I have ever seen.

　　二、Nothing is + ~~~ er than to + V Nothing is + more + 形容詞 + than to + V

　　例句：Nothing is more important than to receive education.

　　三、~~~ cannot emphasize the importance of ~~~ too much.

　　例句：We cannot emphasize the importance of protecting our eyes too much.

　　四、There is no denying that + S + V ...

　　例句：There is no denying that the qualities of our living have gone from bad to worse.

　　五、It is universally acknowledged that + 句子~~

　　例句：It is universally acknowledged that trees are indispensable to us.

　　六、There is no doubt that + 句子~~

　　例句：There is no doubt that our educational system leaves something to be desired.

　　七、An advantage of ~~~ is that + 句子