在求学的道路上，写作文往往是一件令人头大的事，经常不知道怎么写，但必须清醒认识到：拥有好的文笔，绝对是受益一生的硬实力。而写作能力的提升，必须从小培养，对于这篇作文题目，建议多看《四级英语写作知识归纳》相关范文，多动笔练习《四级英语写作知识归纳》相关习作，相信功夫不负有心人。本文由作文汇用户投稿，希望为你的写作带来帮助，如果觉得这篇四级英语写作知识归纳不错，记得推荐给同学哦～
1)主语从句
It is common knowledge that honesty is the best policy。
It is well-known that…
It is self-evident/ conceivable / obvious / apparent that…
It goes without saying that… It is universally acknowledged that…
It is / that
2)宾(表)语从句
We cannot understand why he was so cruel to his roommates。
The problem is not who will go, but who will stay。
3)定语从句(限定性和非限定性)
As is shown/ demonstrated/ illustrated/ depicted/ described…in the cartoon/ picture/ graph/ table…,
There are many reasons why I want to study in your university。
It is estimated that tens of billions of pounds is spent on cigarettes every year in our country, which is a huge waste。
4)状语从句(时间，原因，地点，条件，让步，转折等)
When the man is enjoying the cigarette, the smoke becomes a monster (怪物) which will devour him。
Whatever the reason, there are still some problems with student use of computers。
5)分词短语做定语或状语
Prof. Kang came to our university, giving us a lecture on how to acquire English better。
6)倒装句
Only through these measures can we hope to solve the problem。
Scattered around the globe are more than 100 small regions of isolated volcanic activity known to geologists as hot spots。
7)被动句
Some measures should be taken to deal with the problem。
He is said to have accomplished a lot of great deeds。
Many people believe that…(It is believed that…)
8)设问句
Do you still remember the boy who cried wolf for several times so no one would trust him?
9)比较
1.The advantages far outweigh the disadvantages。
2.The advantages of A are much greater than those of B。
3.A may be preferable to B, but A suffers from the disadvantages that.。。
4.It is reasonable to maintain that ...but it would be foolish to claim that.。。
5.For all the disadvantages, it has its compensating advantages。
6.Like anything else, it has its faults。
7.A and B has several points in common。
8.A bears some resemblances to B。
9.However, the same is not applicable to B。
10. A and B differ in several ways。
11. Evidently, it has both negative and positive effects。
12. People used to think ..., but things are different now。
13. The same is true of B。
14. Wondering as A is ,it has its drawbacks。
15. It is true that A ... , but the chief faults (obvious defects )are .。。
10)原因
1.A number of factors are accountable for this situation。
A number of factors might contribute to (lead to )(account for ) the phenomenon(problem)。
2. The answer to this problem involves many factors。
3. The phenomenon mainly stems from the fact that.。。
4. The factors that contribute to this
5. The change in ...largely results from the fact that.。。
6. We may blame ...,but the real causes are.。。
7. Part of the explanations for it is that .。。
8. One of the most common factors (causes ) is that .。。
9. Another contributing factor (cause ) is .。。
10. Perhaps the primary factor is that …
11. But the fundamental cause is that .。。
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