四级必过经典句型1、only+状语（介词短语/状语从句），can sb do sth例如：only by working hard，can we have a bright future and truly make a different。

只有通过努力学习，我们才能拥有光明的前途，真正的有所作为。

Only with combined efforts，can we expect our hometown take on a new look in due course。

唯有通力合作，我们才能期望我们的家乡不久会有新的面貌。

2、~~~~the+~best+名词+（that）sb have ever seen（know/heard/had/read.etc）~~~~the most+形容词+名词+（that）sb have seen （know/heard/had/read.etc）例如：Mr zhang is the kindest teacher that I have ever seen.张老师是我曾经遇到的最仁慈的老师。

3、with the increase/growth of the population.~~~随着人口的增加With the advance of science and technology.~~~随着科技的进步例如：with the rapid development of our economic，a lot of social problem have appeared（show up）.随着我国经济的快速发展，许多社会问题产生了。

4、nothing is +~~~er than to +V 或nothing is more + 形容词+ than to +V例如：Nothing is more important than to receive education.没有比接受教育更重要的事。

5、~~~~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 protect eyes too much.我们再怎么强调保护眼睛的重要性也不为过。

6、there is no denying that +句子~~~~（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，我们生活质量没况日下。

7、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缺少的。

8、there is no doubt that +句子（毫无疑问~~~~）例如：There is no doubt our educattional system leaves something to be desired.毫无疑问的我们的教育制度令人不满意。

9、the reason why +句子~~~~is that +句子(……的原因是…….)例如：The reason why we have to grow trees is that they can provide us with fresh air.我们种树的原因是它们能供应我们新鲜的空气。

10、an advantage of ~~~~is that +句子（…….的优点是…….)例如：An adcantage of using the soiar 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、on no account can we do (我们绝对不能……)（on no account = by no means = in no way绝不）例如：On no account can we ignore the value of knowledge我们决不能忽略知识的价值。

12、so + 形容词be +sb/sth+that +句子（如此……..以至于…….）例如：So precious is time that we cannot afford to waste it.时间如此珍贵我们经不起浪费它。

13、adj/n./adv./v.+as + sb/sth+be.S+V~~~~(虽然……)例如：Rich as our country is the qualities of our living are by no means satisfactory.虽然我们的国家富有但是我们的生活质量绝对令人不满意。

14、the + ~er +S+V，~~~~~the + ~er + S +V ~~~~The + more +adj +S +V，The + more +adj +S +V~~~~(愈…….愈……)例如：The harder you work, the more progress you are.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。

15、by + Ving , ~~~can~~~~(借着……，能够……)例如：By doing exercise，we can always stay healthy.通过做运动，我们能够始终保持健康。

16、~~~~enable sb/sth to do (……使……能够……)例如：Listening to music enables us to feel relaxed.听音乐使我们能够感觉轻松。

17、it is time +S +过去式（该是……的时候了）例如：It is time the authonties concerned took praper 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。

18、those who ~~~~~(……的人……)例如：Those who violate traffic regulations should be punished.违反交通规定的人应该受惩罚。

19、there is no one but ~~~~（没有人不~~~~）例如：There is no one but longs to go to college.没有人不渴望上大学。

20、it is+（important/conceivable（可想而知）/obvious(明显的）/apparent(显然的）/……)或p.p（said/reported/thought/considered……)that +句子例如：It is conceivable/considered that knowledge plays important role in our life.可想而知，知识扮演重要的角色在我们的生活中。

It is said that he is studying abroad.=he is said to be studying abroad.21、that is reason why……(那就是…的原因)例如：summer is sultry .that is the reason why I don’t like it.夏天燥热，那..不喜欢它的原因22、for the past + 时间S+现在完成式（过去..年来,…一直…）例如：for the past two years , I have been busy preparing for the examination.过去两年,来我一直忙于准备考试。

23、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.自从他上了高中，他一直很用功24、there is (no) need to do …. == it is (not)necessary for sb to do…例如：There is (no)hope/chance/possibility of doing …There is (no)difficulty/trouble/point/delay(in)doingIt is no use / useless / no good doing1). Is there any chance of us /our winning the match?2).there is no point in discussing the problem again.25.whether …or …无论是….还是…例如：Whether the weather is good or bad ,they will set off as they planned.26、It pays to do (…是值得的。

)例句：It pays to help others.帮助别人是值得的27、spare no effort to do (不遗余力的)例如：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。

28、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29、get into the habit of +Ving = make it a rule to +V(养成…的习惯)例如：we should get into the habit of keeping good hours.我们应该养成早睡早起的习惯。

30、due to /owing to /thanks to +N/Ving，（因为…）例句：thanks to his encouragement, I finally realized my dream.因为他的鼓励，我终于实现梦想。