2019考研大势已去，2020考研已经近在眼前了。不知道各位考研党们现在是否已经制定好了适合自己的复习备考计划。下面小编对2020考研英语作文提分之投诉信常用表达句做了总结，希望能帮到即将考研的各位考研党们，下面一起来看看吧~
　　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.