四六级作文中可用到的几类逻辑词汇

　　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*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*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**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**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。

　　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。

　　十九、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。

　　二十、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。

　　二十一、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。

　　二十二、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。

　　二十三、It pays to + V ~~~ （……是值得的。）

　　例句：It pays to help others.

　　帮助别人是值得的。

　　二十四、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。

　　二十五、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。