关于英语高考作文中送别信的写作，以下是综合整理的写作要点和模板示例：

一、写作要点

格式规范

- 信头：包含日期、收信人姓名及地址

- 称呼：使用"Dear [Recipient's Name]"或"Dear [Recipient's Position]"

- 正文：分段落表达原因、回忆与祝福

- 结尾：使用"Best regards"或"Warm wishes"等礼貌用语

内容结构

- 开头：

说明离别原因（如升学、工作调动等）

- 主体：

- 回忆共同经历的时光，如学习、活动中的难忘瞬间

- 表达感激之情，提及对方的具体帮助或影响

- 展望未来，表达对重逢的期待

- 结尾：再次感谢并祝福

二、模板示例

示例一：高中同学毕业告别信

Dear [Classmate's Name],

I am writing to bid you farewell as we graduate from high school. Three years have passed since we first met, and I still remember the day you helped me with my English homework. Your patience and encouragement were instrumental in my improvement.

We shared many memorable moments, from late-night study sessions to fun activities. These experiences have shaped us not only academically but also personally.

Although we will be attending different universities, I am confident that our friendship will last forever. I look forward to the day we reunite and catch up on all the stories we've missed.

Thank you for being such a great friend. Farewell!

示例二：职场告别信

Dear [Manager's Name],

I am writing to formally announce my departure from [Company Name] on [Departure Date].

During my time here, I learned a great deal from you and the team. Your guidance helped me develop valuable skills and instilled in me a strong work ethic.

I am grateful for the opportunities I had to work on meaningful projects and for the supportive environment you created.

Although I am excited about the new challenges ahead, I will always cherish the memories and the friendships I formed here. Please do not hesitate to reach out if you need anything.

Thank you for your support. Goodbye!

三、写作技巧

情感真挚：通过具体事例展现共同经历的珍贵性

语言规范：使用高级词汇和复杂句式提升作文质量

呼应开头：在结尾处呼应开头，强化整体感

以上模板可根据实际情况调整，建议结合自身经历选择合适角度，并注意控制篇幅在高考作文要求的范围内。