【正文】 s utmost to + V = do one39。 三十四、Pose a great threat to ~~ (對...造成一大威脅) 例句：Pollution poses a great threat to our existence. 污染對我們的生存造成一大威脅。 三十三、do good to (對...有益)，do harm to (對...有害) 例句：Reading does good to our mind. 讀書對心靈有益。 三十、What a + Adj + N + S + V!= How + Adj + a + N + V!(多么...!) 例句：What an important thing it is to keep our promise! How important a thing it is to keep our promise! 遵守諾言是多么重要的事! 三十一、Leave much to be desired (令人不滿意) 例句：The condition of our traffic leaves much to be desired. 我們的交通狀況令人不滿意。 二十八、Get into the habit of + Ving = make it a rule to + V (養(yǎng)成...的習(xí)慣) We should get into the habit of keeping good hours. 我們應(yīng)該養(yǎng)成早睡早起的習(xí)慣。 二十六、bring home to + 人 + 事 (讓...明白...事) 例句：We should bring home to people the value of working hard. 我們應(yīng)該讓人們明白努力的價(jià)值。 二十四、be based on (以...為基礎(chǔ)) 例句：The progress of thee society is based on harmony. 社會的進(jìn)步是以和諧為基礎(chǔ)的。 二十三、It pays to + V ~~~ (...是值得的。 二十二、Since + S + 過去式，S + 現(xiàn)在完成式。那就是我不喜歡它的原因。 二十、That is the reason why ~~~ (那就是...的原因) 例句：Summer is sultry. That is the reason why I don39。 十八、be + forced/pelled/obliged + to + V (不得不...) 例句：Since the examination is around the corner, I am pelled to give up doing sports. 既然考試迫在眉睫，我不得不放棄做運(yùn)動。 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。 十四、On no account can we + V ~~~ (我們絕對不能...) 例句：On no account can we ignore the value of knowledge. 我們絕對不能忽略知識的價(jià)值。 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，我們能夠始終保持健康。 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。t afford to waste it. 時(shí)間是如此珍貴，我們經(jīng)不起浪費(fèi)它。 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. 我們必須種樹的原因是它們能供應(yīng)我們新鮮的空氣。 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 won39。 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. 全世界都知道樹木對我們是不可或缺的。) 例句：We cannot emphasize the importance of protecting our eyes too much. 我們再怎么強(qiáng)調(diào)保護(hù)眼睛的重要性也不為過。 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. 沒有比接受教育更重要的事。 注：（...)都是可替換的一、~~~ the + ~ est + 名詞 + (that) + 主詞 + have ever + seen ( known/heard/had/read, etc)