_一、~ the ~ est 名词 (that) 主词 have *r seen(known/heard/had/read，etc)
_~ the most 形容词 名词 (that) 主词 have *r
_seen(known/heard/had/read，etc)
_例句：
_helen is the most beautiful girl that i have *r seen. 海伦是我所看过*美丽的女孩。
_mr. chang is the kindest teacher that i have *r had. 张老师是我曾经遇到*仁慈的教师。
_二、nothing is ~~~ er than to v nothing is * 形容词 than to v
_例句：nothing is * 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*知道……)
_例句：it is universally acknowledged that trees are indispensable to us.
_全*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 * 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
_*(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
_sati*actory. {by no means = in no way = on no account一点也不}
_虽然我们的*富有，我们的生活品质*令人不满意。
_十一、the ~er s v，~~~ the ~er s v ~~~
_the * adj s v，~~~ the * adj s v ~~~(愈……愈……)
_例句：the harder you work，the * progress you make.你愈努力，你愈进步。
_the * books we read，the * 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*不能……)
_例句：on no account can we ignore the value of knowledge.
_我们*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。
___