在四年級的英語學習過程中，書信寫作是一項重要的練習。通過寫信，學生們不僅可以提高語言表達能力，還能了解不同文化中的書信交流方式。以下是四篇適合四年級學生的英語書信格式范文。

范文1：給朋友的一封信

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：感謝信

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：邀請信

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]

通過以上幾篇書信范文，學生們可以掌握基本的英語書信格式和表達方式，從而提高寫作技能。希望這些范文能夠幫助四年級學生們更好地學習和練習書寫英文信件。