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. 海伦是我所看过最美丽的女孩。 Mr. Chang is the kindest teacher that I have ever had. 张老师是我曾经遇到最仁慈的教师。 二、 Nothing is + ~~~ er than +不定式(to+do). Nothing is + more + 形容词 + than +不定式(to+do). 例句:Nothing is more important than to receive education. 没有比接受教育更重要的事。 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. 我们再怎么强调保护眼睛的重要性也不为过。 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. 不可否认的,我们的生活品质已经每况愈下。 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. 全世界都知道树木对我们是不可或缺的。 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. 毫无疑问的我们的教育制度令人不满意。 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. 使用太阳能的优点是它不会制造任何污染。 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 supply fresh air for us. /The reason why we have to grow trees is that they can provide us with fresh air. 我们必须种树的原因是它们能供应我们新鲜的空气。 一、 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} 虽然我们的国家富有,我们的生活品质绝对令人不满意。 二、 The + more + Adj + S + V, ~~~ the + more + Adj + S + V The + ~er + S + V, ~~~ the + ~er + S + V ~~~ (愈...愈...) 例句:The harder you work, the more progress you make.  你愈努力,你愈进步。  The more books we read, the more learned we become.  我们书读愈多,我们愈有学问。  三、 By + V+ing, ~~ can ~~ (借着...,..能够..)  例句:By taking exercise, we can always stay healthy.  借着做运动,我们能够始终保持健康。  四、 ~~~ enable + Object(受词)+ to + V (..使..能够..)  例句:Listening to music enable us to feel relaxed.  听音乐使我们能够感觉轻松。  五、 On no account can we  + V ~~~ (我们绝对不能...)  例句:On no account can we ignore the value of knowledge.  我们绝对不能忽略知识的价值。  六、 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.  该是有关当局采取适当的措施来解决交通问题的时候了。  七、 Those who ~~~ (...的人...)  例句:Those who violate traffic regulations should be punished.  违反交通规定的人应该受处罚。  八、 There is no one but ~~~ (没有人不...)  例句:There is no one but longs to go to college.  没有人不渴望上大学。  九、 be closely related to ~~ (与...息息相关)  例句:Taking exercise is closely related to health.    做运动与健康息息相关。  一、 It is conceivable that + 句子 (可想而知的)  It is obvious that + 句子 (明显的)  It is apparent that + 句子 (显然的)  例句:It is conceivable that knowledge plays an important role in our life.  可想而知,知识在我们的一生中扮演一个重要的角色。  二、 That is the reason why ~~~ (那就是...的原因)  例句:Summer is sultry. That is the reason why I don't like it.    夏天很燠热。那就是我不喜欢它的原因。  三、 For the past  + 时间,S + 现在完成式...(过去...年来,...一直...)  例句:For the past two years, I have been busy preparing for the  examination.    过去两年来,我一直忙着准备考试。  四、 Since + S + 过去式,S + 现在完成式。  例句:Since he went to senior high school, he has worked very hard.    自从他上高中,他一直很用功。 五、 It pays to + V ~~~ (...是值得的。)  例句:It pays to help others.    帮助别人是值得的。  六、 be based on (以...为基础)  例句:The progress of thee society is based on harmony.    社会的进步是以和谐为基础的。  七、 Spare no effort to + V (不遗余力的)  例句:We should spare no effort to beautify our environment.    我们应该不遗余力的美化我们的环境。  八、 bring home to + 人 + 事 (让...明白...事)  例句:We should bring home to people the value of working hard.    我们应该让人们明白努力的价值。  九、 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.  既然考试迫在眉睫,我不得不放弃做运动。  一、 Due to/Owing to/Thanks to + N/V+ing, ~~~ (因为...)  例句:Thanks to his encouragement, I finally realized my dream.    因为他的鼓励,我终于实现我的梦想。  二、 What a + Adj + N + S + V! =How + Adj + a + N + V!(多么...!) (感叹句句型) 例句:What an important thing it is to keep our promise!    How important a thing it is to keep our promise!    遵守诺言是多么重要的事!  三、 Leave much to be desired (令人不满意)  例句:The condition of our traffic leaves much to be desired.    我们的交通状况令人不满意。  四、 Have a great influence on ~~~ (对...有很大的影响)  例句:Smoking has a great influence on our health.    抽烟对我们的健康有很大的影响。  五、 do good to (对...有益),do harm to (对...有害)  例句:Reading does good to our mind.读书对心灵有益。    Overwork does harm to health.工作过度对健康有害。  六、 Pose a great threat to ~~ (对...造成一大威胁)  例句:Pollution poses a great threat to our existence.    污染对我们的生存造成一大威胁。  七、 do one's utmost to + V = do one's best (尽全力去...)  例句:We should do our utmost to achieve our goal in life.    我们应尽全力去达成我们的人生目标。  八、 Get into the habit of + Ving  =make it a rule to + V (养成...的习惯)    We should get into the habit of keeping good hours.    我们应该养成早睡早起的习惯。  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. 时间是如此珍贵,我们经不起浪费它。