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.

　　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.

　　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.

　　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.

　　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.

　　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.

　　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.

　　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.

　　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.

　　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}

　　十一、On　no　account　can　we　　+　V　~~~　(我们绝对不能...)

　　例句：On　no　account　can　we　ignore　the　value　of　knowledge.

　　十二、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.

　　十三、There　is　no　one　but　~~~　(没有人不...)

　　例句：There　is　no　one　but　longs　to　go　to　college.

　　十四、be　+　forced/compelled/obliged　+　to　+　V　(不得不...)

　　例句：Since　the　examination　is　around　the　corner,　I　am　compelled　to　give　up　doing　sports.

　　十五、It　pays　to　+　V　~~~　(...是值得的。)

　　例句：It　pays　to　help　others.

　　十六、Spare　no　effort　to　+　V　(不遗余力的)

　　例句：We　should　spare　no　effort　to　beautify　our　environment.

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