1. I‘m writing to…直截了當型
2. I‘m writing to seek your assistance in …請求型
3. I‘m writing in response to your advertisement in …回應型
4. I‘m writing to express my views on … 建議型
5.I‘m writing to see if it is possible for you to provide me with information regarding…(咨詢類型)
(二)感謝信常用開頭
1.I‘m most grateful to you for your…
2. I feel greatly indebted to you for…
3. I‘m writing to tell you how greatly I appreciate all you have done for me…
4.But for your kind assistance,I would have …
5. I must thank you again for your generous help.
(三)道歉信開頭
1.I feel really sorry to you for…
2.I must apologize to you for…
3.I would like to express my deepest apology / regret for not being able to …