2020考研已进入最后百日冲刺阶段，同学们在这个阶段需要背一些考研英语作文常用的句式，提高英语语感，从而拿到考研英语作文高分。下面是《2020考研英语作文：投诉信常用句式》，供大家参考。

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　　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.