在四年级的英语学习过程中，书信写作是一项重要的练习。通过写信，学生们不仅可以提高语言表达能力，还能了解不同文化中的书信交流方式。以下是四篇适合四年级学生的英语书信格式范文。
范文1：给朋友的一封信
Dear [Friend’s Name],
I hope you are doing well. I wanted to tell you about the fun time I had at school last week. We had an art project where we made paper airplanes, and my plane flew the farthest! How was your week? Write back soon!
Yours sincerely,
[Your Name]
范文2：感谢信
Dear [Teacher’s Name],
I want to thank you for helping me with my math homework. With your help, I understood how to solve those difficult problems. Your explanations make everything clearer. Thank you very much!
Best regards,
[Your Name]
范文3：邀请信
Dear [Friend’s Name],
Hi there! I am inviting you to join me and some friends for a picnic in the park this Saturday. We will have sandwiches and play games. It would be more fun if you can come! Please let me know if you can make it.
Looking forward to seeing you!
Sincerely,
[Your Name]
范文4：道歉信
Dear [Friend’s Name],
I am writing to apologize for not returning your book on time. I forgot to bring it to school yesterday. I promise to bring it first thing tomorrow and take better care of our borrowed things in the future. I hope you can forgive me.
Yours truly,
[Your Name]
通过以上几篇书信范文，学生们可以掌握基本的英语书信格式和表达方式，从而提高写作技能。希望这些范文能够帮助四年级学生们更好地学习和练习书写英文信件。