1.On no account can we …(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。
2.For the past 时间，主语 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。
3.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。
4.It is universally acknowledged hat 从句 (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。
5.So 形容词 be 主词 that 句子(如此……以致于……)(倒装句)
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。
6.形容词/名词(前不加冠词)/动词原形 as 从句主语 be/助动词，主句主语 谓语…(虽然……)(as引导让步状语从句的倒装)
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。
7.The 形容词比较级，the 形容词比较级 (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。
8.Since 从句 过去式，主句 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。
9.There is no doubt that 从句(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。
10.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。
11.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(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。
12.…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。
13.There is no denying that 主语 谓语……(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。
14.Nothing is 形容词比较级 than to 动词原形 ；Nothing is more 形容词 than to 动词原形
例句：Nothing is more important than to receive education. 没有比接受教育更重要的事。
15.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。
