英语写信作文是我们在高中英语课程中必须掌握的一项技能。在写作过程中，使用通用句子可以让我们的作文更加流畅、清晰。下面是一些常用的英语写信作文通用句子摘抄，供大家参考。

1. 开头句子

- I am writing to inquire…

- I am writing to express my concern…

- I am writing to inform you that…

- I am writing to request…

2. 结尾句子

- I look forward to hearing from you soon.

- Thank you for your attention to this matter.

- Please do not hesitate to contact me if you have any further questions.

- I appreciate your prompt attention to this matter.

3. 请求帮助

- I am writing to ask for your assistance in…

- I would appreciate your help in…

- Could you please provide me with…

- I wonder if you could…

4. 表达感谢

- Thank you for your kind attention to this matter.

- I would like to express my sincere gratitude for…

- I appreciate your efforts in…

- Thank you for taking the time to…

5. 道歉

- I am writing to apologize for…

- Please accept my sincere apologies for…

- I regret any inconvenience that may have been caused.

- I apologize for any misunderstanding.

6. 表达建议

- I would like to suggest that…

- It might be helpful to…

- Perhaps it would be a good idea to…

- I think it would be beneficial to…

在写作过程中，以上这些通用句子可以帮助我们更好地表达思想，使作文更加通顺流畅。同时，我们也需要根据具体情况进行适当的修改和调整，使作文更具有个性和独特性。