在日常学习、工作或生活中，许多人都写过作文吧，作文是从内部言语向外部言语的过渡，即从经过压缩的简要的、自己能明白的语言，向开展的、具有规范语法结构的、能为他人所理解的外部语言形式的转化。为了让您在写作文时更加简单方便，三人行，必有我师也。择其善者而从之，其不善者而改之。如下是勤劳的编辑帮大家收集的大学英语四级作文万能句型优秀4篇，希望能够帮助到大家。
1."may as well not…as"结构，此结构可译为"与其……不 如不 ……"。
One may as well not know a thing at all as know it but imperfectly.
2. "have only to …do"结构，此结构表示"只须(消)……就能……"的意思。
We have only to turn to that extraordinary discovery made by Edison to see the significance of it.
3. "not (no) …unless…"句型
No increase in output can be expected unless a new assembly line is installed.
4. "better…than…"句型
Better my life should be ended by their hate, than that hated life should be prolonged to live without your love.
5. "as it were"是一个非经常用的插入语，意思是"好象"，"可以说"等。
A piece of iron near a magnet, though apparently separate from it , feels, as it were, the threads of this attachment.
6. 复杂结构，在下面例句中，由于anyone的定语从句过长，把谓语must realize提到定语从句之前。
Though faith and confidence are surely more or lass foreign to my nature, I do not infrequently find myself looking to them to be able, diligent, candid, and even honest. Plainly enough, that is too large an order, as anyone must realize who reflects upon the manner in which they reach public office.
7. "not…any more than…"为："不 能……，正如不 能……"。
One cannot learn to sketch and express himself graphically only by reading about it any more than one can learn to swim while standing by the pool.
8. "By that as it may"是"Let it be that as it may"的'省略形式，是由"be"引起的另外一种假设结构，意思是"虽然如此，尽管这样"。
It is said that the nerve poison is the more primitive of the two, that the blood poison is, so to speak, a new product from an improved formula. Be that as it may, the nerve poison does its business with man far more quickly than the blood poison.
9. "if at all"是一个由"if"引起的主谓结构不 完整的短句结为"立即……"，"即使……"等。
I can see only with great difficulty, if at all.
10. 由there引起的句型简单产生复杂的句子结构。
There have been opened up to the vast and excellent science, in which my work is the beginning, ways and means by which other minds more accurate than wine will explore its remote corners.
一、Adj + as + Subject(主词)+ be， S + V~~~ (虽然……)
例句：Rich as our country is,the qualities of our living are by nomeans 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。
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。
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、do one's utmost to + V = do one's best (尽全力去……)
例句：We should do our utmost to achieve our goal in life.
我们应尽全力去达成我们的人生目标。
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、Have a great influence on ~~~ (对……有很大的影响)
例句：Smoking has a great influence on our health.
抽烟对我们的健康有很大的影响。
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、~~~ 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。
1：It is high time that we put an end to the (trend)。（该是我们停止这一趋势的时候了）
2：There is no doubt that enough concern must be paid to the problem of……（毫无疑问，对……问题应予以足够重视） 3：Obviously ，if we want to do something … it is essential that……（显然，如果我们想要做么事，很重要的是……） 4：Only in this way can we ……（只有这样，我们才能……）
1、only引导的倒装句
例如： Only by living up to the three requirements， can we …
唯有符合此三项要求，我们才能……
Only with combined efforts， can we……
唯有通力合作，我们才能……
例如：Only with combined efforts， can we expect our nation to take a new face in due course.
唯有通力合作，我们才能期望祖国不久有新的面貌。
2、表示结论（同位语从句）
例如： We can， therefore， come to the conclusion （that）从句
因此，我们能下个结论，那就是……
例如：We can， therefore， come to the conclusion that nothing is as precious as freedom in the world.
因此，我们能下个结论，那就是世上自由最珍贵。
3、条件假设
例如：If one can really put the three points into action （practice），……
如果能实践这三点，……
例如：If one can really put the three points into action （practice）， people will surely be able to live a healthy and happy life.
如果能实践这三点，人们就能过上健康幸福的生活了。
4、条件假设
例如：If we can do as mentioned above， there can be no doubt （that）从句
如果我们能做到如上所述，毫无疑问地，……
例如：If we can do as mentioned above， there can be no doubt that we can solve this problem.
如果我们能做到如上所述，毫无疑问地，我们就能解决这个问题。
同学们在实际英语写作练习中，可以根据具体情况进行相应的。主题词替换。写好结尾，善始善终，才能保证一篇作文得高分。
5、表示结论（定语从句）
例如：Thus， this is the reason why……
因此，这就是……的原因。
例如：Thus， this is the reason why the rates increased sharply in that period.
因此，这就是这一数据在那段时期急剧上升的原因。