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.
海倫是我所看過(guò)最美麗的女孩。

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.
沒(méi)有比接受教育更重要的事。

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.
我們?cè)僭趺磸?qiáng)調(diào)保護(hù)眼睛的重要性也不為過(guò)。

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.
不可否認(rèn)的，我們的生活品質(zhì)已經(jīng)每況愈下。

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.
全世界都知道樹(shù)木對(duì)我們是不可或缺的。

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.
毫無(wú)疑問(wèn)的我們的教育制度令人不滿(mǎn)意。

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.
使用太陽(yáng)能的優(yōu)點(diǎn)是它不會(huì)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.
我們必須種樹(shù)的原因是它們能供應(yīng)我們新鮮的空氣。

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.
時(shí)間是如此珍貴，我們經(jīng)不起浪費(fèi)它。

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}
雖然我們的國(guó)家富有，我們的生活品質(zhì)絕對(duì)令人不滿(mǎn)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，你愈進(jìn)步。
The more books we read， the more learned we become.
我們書(shū)讀愈多，我們愈有學(xué)問(wèn)。

十二、By +Ving， ~~ can ~~ （借著……，……能夠…… ）
例句：By taking exercise， we can always stay healthy.
借著做運(yùn)動(dòng)，我們能夠始終保持健康。

十三、~~~ enable + Object（受詞）+ to + V （……使……能夠……）
例句：Listening to music enable us to feel relaxed.
聽(tīng)音樂(lè)使我們能夠感覺(jué)輕松。

十四、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.
我們絕對(duì)不能忽略知識(shí)的價(jià)值。

十五、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.
該是有關(guān)當(dāng)局采取適當(dāng)?shù)拇胧﹣?lái)解決交通問(wèn)題的時(shí)候了。

十六、Those who ~~~ （……的人……）
例句：Those who violate traffic regulations should be punished.
違反交通規(guī)定的人應(yīng)該受處罰。

十七、There is no one but ~~~ （沒(méi)有人不……）
例句：There is no one but longs to go to college.
沒(méi)有人不渴望上大學(xué)。

十八、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.
既然考試迫在眉睫，我不得不放棄做運(yùn)動(dòng)。