求助信是在遇到困难或者需要帮助时向他人求助的一种方式。在学习或者生活中，我们可能会遇到各种问题，需要向老师、同学、朋友等人求助，这时候写一封求助信就是一种非常有效的方式。本文将为大家介绍一份求助信英语作文模板，帮助大家更好地写作求助信。

模板：
Dear [收信人的称呼],

I am writing to you to ask for your help with [问题的具体描述]. I have been struggling with this for some time now and I am hoping that you may be able to provide me with some guidance.

[详细描述问题]。我已经尝试了很多方法，但是依然无法解决这个问题。因此，我希望能够得到您的帮助，提供一些指导和建议。

我相信您有丰富的经验和专业的知识，可以为我提供宝贵的帮助。如果您有时间和机会，能够给我回复一封邮件或者与我预约见面，我将不胜感激。

谢谢您的时间和耐心，期待您的回复。

Sincerely,

[您的名字]

范例：
Dear Mr. Smith,

I am writing to you to ask for your help with my math homework. I have been struggling with this for some time now and I am hoping that you may be able to provide me with some guidance.

The problem that I am facing is with algebraic equations. I have been having trouble understanding how to solve them and I am worried that I will not be able to complete my homework on time. I have tried various methods and techniques, but I still cannot solve these equations. Therefore, I am hoping that you may be able to provide me with some guidance.

I believe that you have a great deal of experience and expertise in mathematics and I am confident that you will be able to help me. If you have the time and opportunity, would you be able to reply to my email or perhaps schedule a meeting with me? I would greatly appreciate any assistance that you can provide.

Thank you for your time and patience, and I look forward to hearing from you soon.

Sincerely,

[Your Name]