1. 一般开头 How is everything going with you? I am writing to extend my heart-felt thanks to you for …(感谢) Thank you for your letter of February 8 informing me that I have been accepted by your college. But I must apologize to you for… (道歉) I am writing to inform you that… (通知) I am writing to seek your assistance in… to request to（请求） I am writing to express my views on … (建议) I am writing in response to your… (回应) I am writing to apply for the scholarship that your department offers to students from other countries. （申请） I am writing to see if it is possible for you to provide me with information regarding…（咨 询） I am writing to express my disappointment/dissatisfaction about … to complain about …(抱 怨) I am writing to lodge a claim for the suitcase I lost on my journey to … (挂失) I have learned from…that you are looking for … And I am writing to recommend …for the post. (推荐) 补充句型：I am writing this letter for the purpose of doing sth. (较为正式) 2. 表达感谢的句型 I am most grateful to you for your… I am writing this letter to express my sincere gratitude for… I would like to convey in this letter my heartfelt thanks for… I feel greatly indebted to you for …。 I am writing to tell you how greatly I appreciate all you have done for me. But for your kind assistance, I would have … I must thank you again for your generous help. My thanks to you for you generous help are beyond words. Please accept my deepest gratitude. 3. 表达道歉的句型 I feel really sorry to you for … I must apologize to you for… I would like to express my deepest apology/regret for not being able to … Had I …， I would have… I want you to know how badly I feel about… 4. 一般结尾 Any favorable consideration on my application/requests will be highly appreciated. I am looking forward to your favorable reply at your earliest convenience.