在現實的學習、工作中，大家都跟論文打過交道吧，論文是對某些學術問題進行研究的手段。相信很多朋友都對寫論文感到非常苦惱吧，以下是小編精心整理的英語四級作文：議論文常用句型，僅供參考，歡迎大家閱讀。
英語四級作文：議論文句型
1、It is considered /thought that人們（有人，大家）認為
2、It is generally /usually accepted /agreed/recognized that普遍（一般，通常）認為
3、It is believed that有人（人們，大家）相信
4、It is well—known that大家知道（眾所周知）
5、It is said that據說（有人說）
6、It is learned that據聞（悉）
7、It is supposed that據推測
8、It is estimated/predicted/calculated that據估計（預計）
9、It must be pointed that必須指出
10、It is reported that據報道
11、It must be admitted that必須承認
12、It will be seen that可見（可以看出）
13、It will be seen from this that由此可見
14、It is understood that不用說（都知道）
15、It can not be denied that無可否認
16、It has been proved/demonstrated that已經證明
17、It may be confirmed that可以肯定
18、It may be safely said that可以有把握地說
19、It is sometimes asked that人們有時會問
20、It is expected that/hoped that人們希望
21、When it comes to要說到，要談及
英語四級作文寫作萬能句型
1.表示原因
1）There are three reasons for this.
2）The reasons for this are as follows.
3）The reason for this is obvious.
4）The reason for this is not far to seek.
5）The reason for this is that...
6）We have good reason to believe that...
例如：
There are three reasons for the changes that have taken place in our life.Firstly，peoples living standard has been greatly improved.Secondly，most people are well paid， and they can afford what they need or like.Last but not least，more and more people prefer to enjoy modern life.
注：如考生寫第一個句子沒有把握，可將其改寫成兩個句子。如：Great changes have taken place in our life. There are three reasons for this.這樣寫可以避免套用中的表達失誤。
2.表示好處
1）It has the following advantages.
2）It does us a lot of good.
3）It benefits us quite a lot.
4）It is beneficial to us.
5）It is of great benefit to us.
例如：
Books are like friends.They can help us know the world better，and they can open our minds and widen our horizons.Therefore，reading extensively is of great benefit to us.
3.表示壞處
1）It has more disadvantages than advantages.
2）It does us much harm.
3）It is harmfulto us.
例如：
However，everything dividesinto two.Television can also be harmful to us.It can do harm to our health and make us lazy if we spend too much time watching televi- sion.
4.表示重要、必要、困難、方便、可能
1）It is important（necessary，difficult，convenient， possible）for sb.to do sth.
2）We think it necessary to do sth.
3）It plays an important role in our life.
例如：
Computers are now being used everywhere，whether in the government，in schools or in business.Soon， computers will be found in every home，too.We have good reason to say that computers are playing an increasingly important role in our life and we have stepped into the Computer Age.
5.表示措施
1）We should take some effective measures.
2）We should try our best to overcome（conquer）the difficulties.
3）We should do our utmost in doing sth.
4）We should solve the problems that we are confronted（faced）with.
例如：
The housing problem that we are confronted with is becoming more and more serious.Therefore，we must take some effective measures to solve it.
6.表示變化
1）Some changes have taken place in the past five years.
2）A great change will certainly be produced in the worlds communications.
3）The computer has brought about many changes in education.
例如：
Some changes have taken place in peoples diet in the past five years.The major reasons for these changes are not far to seek.Nowadays，more and more people are switching from grain to meat for protein，and from fruit and vegetable to milk for vitamins.
7.表示事實、現狀
1）We cannot ignore the fact that...
2）No one can deny the fact that...
3）There is no denying the fact that...
4）This is a phenomenon that many people are interested in.
5）However，thats not the case.
例如：
We cannot ignore the fact that industrialization brings with it the problems of pollution.To solve these problems， we can start by educating the public about the hazards of pollution.The government on its part should also design stricter laws to promote a cleaner environment.
8.表示比較
1）Compared with A，B...
2）I prefer to read rather than watch TV.
3）There is a striking contrast between them.
例如：
Compared with cars，bicycles have several advantages besides being affordable.Firstly，they do not consume natural resources of petroleum.Secondly，they do not cause the pollution problem.Last but not least，they contribute to peoples health by giving them due physical exercise.
9.表示數量
1）It has increased（decreased）from...to...
2）The population in this city has now increased （decreased）to 800，000.
3）The output of July in this factory increased by 15％ compared with that of January.
例如：
With the improvement of the living standard，the proportion of peoples income spent on food has decreased while that spent on education has increased.
再如：
From the graph listed above，itcan be seen that student use of computers has increased from an average of less than two hours per week in 1990 to 20 hours in 2000.
注：“From the graph listed above，it can be seen that”見句式12。考生將句式9和句式12結合在一起，便可較好地寫出CET －4、6短文寫作的第一段。
10.表示看法
1）People have（take，adopt，assume）different attitudes towards sth.
2）People have different opinions on this problem.
3）People take different views of（on）the question.
4）Some people believe that...Others argue that...
例如：
People have different attitudes towards failure.Some believe that failure leads to success.
Every failure they experience translates into a greater chance of success at their renewed endeavor.However， others are easily discouraged by failures and put themselves into the category of losers.
再如：
Do“lucky numbersreally bring good luck？Different people have different views on it.
注：一個段落有時很適宜以問句開始，考生應掌握這一寫作方法。
11.表示結論
1）In short，it can be said that ...
2）It may be briefly summed up as follows.
3）From what has been mentioned above，we can come to the conclusion that ...
例如：
From what has been mentioned above，we can come to the conclusion that examination is necessary，however， its method should be improved.
注：例句1可用于任何一個段落的結論句；例句3則多用文章結論段的第一句。
12.套語
1）Its well known to us that ...
2）As is known to us，...
3）This is a topic that is being widely talked about.
4）From the graph（table，chart）listed above，it can be seen that ...
5）As aproverb says，“Where there is a will，there is a way.
例如：
As is well known to us，it is important for the students to know the world outside campus.
The reason for this is obvious.Nowadays，the society is changing and developing rapidly，and the campus is no longer an“ivory tower.As college students，we must get in touch with the world outside the campus.Only in this way can we adapt ourselves to the society quickly after we graduate.
再如：
Does it pay to be honest？This is a topic that is being widely talked about and different people have different opinions on it.
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