考研英语的作文占有的分值非常大，如何更好的拿下英语作文呢？这与好的英语语感基础是分不开的，但更重要的是日常词句的积累，这里，小编整理一些2020考研英语作文：投诉信基础表达，给同学们一些参考~
投诉信
开头常用句式
I am writing to complain about/that…
I am writing to inform you that I am dissatisfied with you…
I think it’s high time you realize…
I am writing to make a complaint about…
I feel sorry to trouble you but I am afraid that I have to make a complaint about…
I am writing to express my disappointment/ dissatisfaction/ concern about…
I am most reluctant to complain, but…
I am writing to advise you that I find… inconvenient

I wish to draw your attention to the problem / fault… that I bought…
I venture to write for complaining about…
I feel sorry to trouble you but I am afraid I have to make a serious complaint.
It is with great reluctance that I must inform you that …
I regret to inform that …
Thank you for your … which arrived yesterday. Unfortunately, …
结尾常用句式
I would be grateful if you could…
I trust you will take my complaint seriously and…
I will appreciate it very much if you could…
I must have you fully understand that without a satisfying solution, I will reserve my right to take legal action.

Frankly speaking, I am not prepared to put up with the situation any more.
On the condition that this one proves to be unacceptable, I will receive a refund.
I would appreciate it if you could…
I understand you will give immediate attention to this matter.
I look forward to your dealing with these problems without delay.
I would like to have this matter settled by the end of…
I shall be obliged if you will look into …
I understand you will give immediate reply to this matter.
If I must be constantly annoyed in this matter, I shall have to …
其他常用句式
The reason for my dissatisfaction is…
Under these circumstances, I find it difficult to…

I can no longer tolerate / bear…
For one thing… For another…
I hope we can manage to sort his out amicably.
Therefore, I hope to change for another … or I declare a refund.
We know that you are not generally careless, but we would like your assurance that this will not happen again.
I recently ordered / purchased from you …
I must protest against …
I find it appalling and distressing that…
I received such poor service that I felt I should bring to your attention.
If I receive this type of treatment again, I will take my business elsewhere.