我写信是为了英语

I am writing this letter in order to express my thanks to you.orI write this letter to thank you.

很高兴收到你的来信，我写信是为了告诉你关于一些如何提高英语的是。 I'm very glad to hear from you. I write this letter to tell you how to improve your English.

很高兴收到你的来信。我写信是为了告诉你关于一些如何提高英语的事Glad to receive your letter. I am writing to tell you something about how to improve your English

我写信是为了邀请你做某事 用英语翻译就是：I wrote this letter to invite you to do sth.宝贝勤学好问，天天进步！