考研英语作文的分数是可以短期提高的，记住这几点，作文短期提高不是问题，下面是小编分享给大家的书信写作常用句式汇总，考研英语作文素材——书信写作常用句式，希望对大家有所帮助。
1投诉信
开头句式：
I am writing to complain that...
I am writing to make a complaint about...
I am writing to express my disappointment/dissatisfaction about...
I am writing to inform you that I find... unsatisfactory.
It is with great reluctance that I must inform you that...
结尾句式：
I would appreciate it if you could...
I would like to have this matter settled by the end of...
I will appreciate it very much if you could...
I trust you will take my complaints seriously and...
I must have you fully understand that without a satisfying solution, I will reserve my right to take legal action.
2建议信
开头句式：
I am writing in reply to...
I would like to suggest that...
I am writing with my suggestions/proposals about...
You asked for advice concerning (with regard to)... and I will try to make some suggestions.

结尾句式：
I hope that my suggestions are helpful for your decision-making anyway.
Please take good consideration of my advice. Thank you.
I believe that you will take my suggestions into serious account.
3辞职信
开头句式：
This is to inform you that I intend to resign from my current position.
I feel reluctant to give up my present job, but I...
I feel very sorry for having to give up my position as...
I am writing to inform you about my decision of resignation.
结尾句式：
My best wished for the company’s continued growth.
Thank you very much for offering me the opportunity to work with the outstanding staff here.
I would appreciate it if you would accept my resignation before...
I sincerely hope that you can approve of my resignation. I am sorry for any inconvenience caused.
以上写作常用句式供同学们在茶余饭后碎片时间浏览网上学习资料时，进行一个快速回顾或速记，希望对同学有益！