一、~~~ the + ~ est + 名詞 + (that) + 主詞 + have ever + seen ( known/heard/had/read, etc)

~~~ the most + 形容詞 + 名詞 + (that) + 主詞 + 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 + 形容詞 + than to + V

例句：Nothing is more important than to receive education.

三、~~~ cannot emphasize the importance of ~~~ too much.(再怎么強(qiáng)調(diào)...的重要性也不為過(guò)。)

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

四、There is no denying that + S + V ...(不可否認(rèn)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~~ (毫無(wú)疑問(wèn)的...)

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

七、An advantage of ~~~ is that + 句子 (...的優(yōu)點(diǎn)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 + 形容詞 + be + 主詞 + 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(主詞)+ be, S + V~~~ (雖然...)

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 一點(diǎn)也不}

十一、On no account can we + V ~~~ (我們絕對(duì)不能...)

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

十二、It is time + S + 過(guò)去式 (該是...的時(shí)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 ~~~ (沒(méi)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 (不遺余力的)

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