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 to+V Nothing is+more+形容词+than to+V
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 provide us with fresh air. The reason why we have to grow trees is that they can supply fresh air for us.
我们必须种树的原因是它们能供应我们新鲜的空气。
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。
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)
虽然我们的国家富有，我们的生活品质绝对令人不满意。
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，你愈进步。
The more books we read，the more learned we become.
我们书读愈多，我们愈有学问。
十二、By +Ving，-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。
十三、-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。
十四、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。
十五、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。
十六、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。
十七、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。
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.
既然考试迫在眉睫，我不得不放弃做运动。
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