英语作文推荐信的格式通常包括以下几个部分：

开头

称呼：Dear [Admission Committee/Mr./Ms. [Last Name]]，或者To Whom It May Concern。

引入：I am writing to recommend [被推荐人的全名] for [推荐的原因，例如：admission into your program, a position, etc.].

主体

被推荐人的情况：

基本信息：包括被推荐人的姓名、学校、专业等。

成就和表现：详细描述被推荐人的成就、表现和特长，可以使用具体的例子和数据支持。

个人品质：描述被推荐人的性格特点、工作态度和团队合作能力等。

推荐理由：

为什么推荐：说明为什么认为被推荐人适合推荐的原因，可以结合具体事例和理由。

被推荐人的优势：强调被推荐人的独特优势和竞争力。

结尾

总结：简要总结被推荐人的优点和适合推荐的原因。

支持：明确表示支持被推荐人的申请，并愿意提供进一步的信息。

结束语：使用如Sincerely, [Your Name]等结束语，并签上自己的名字和日期。

```

Dear Admission Committee,

I am writing to recommend [被推荐人的全名] for [推荐的原因，例如：admission into your program]. As [被推荐人的职位或角色，例如：a student in my class]，I have had the privilege of working closely with [被推荐人] and can confidently attest to their qualifications.

[被推荐人] has consistently demonstrated [具体成就或表现，例如：excellent academic performance, leadership skills, teamwork abilities]. For instance, [具体事例，例如：In the first year of their program, [被推荐人] earned the 5th rank in their class and ranked 1st among the girls]. Their self-learning technique and exceptional efforts have impressed me greatly.

Beyond their academic achievements, [被推荐人] possesses [个人品质，例如：a strong work ethic, a positive attitude, and a willingness to take on challenges]. They have also shown [具体能力，例如：the ability to adapt quickly to new environments and excel in competitive situations].

In conclusion, I strongly recommend [被推荐人] for [推荐的原因]. Their combination of academic excellence, personal qualities, and leadership skills makes them an ideal candidate for [具体的推荐目的]. I am confident that they will make significant contributions to your program and be a valuable asset to your institution.

Thank you for considering my recommendation. Please feel free to contact me if you require any further information.

Sincerely,

[Your Name]

[Your Position]

[Your Contact Information]

```

希望这个格式和示例对你有所帮助。如果有更多具体的要求或需要进一步的修改，请随时告知。