开头：I am sorry / glad to hear that….
提建议：Perhaps the following suggestions may be helpful.
• It’s better to do…
• You’d better do…
• It’s a good idea to do …
• It’s suggested / advised that…
• It’s hoped that…
• You may / might…
结尾：
• I sincerely hope my advice will be of some help to you. If there is anything more I can do to help, please let me know.
• I hope my suggestions will be helpful. If you need more information, just let me know.
邀请信套话：
开头：
• I am writing to invite you to …
• I think it would be a great idea if you could participate in …
• I wonder if you could come to …
• How would you like to join us in …?
结尾：
• Would you please drop me a line to let me know if you could come (to …)?
• My family and I would feel much honored if you could come.
• We would be looking forward to your coming with great pleasure.
• I would like to meet you there and please let me know your decision by Friday.
申请信套话：
开头：
• I am writing to apply for a.….
• I would like to do / be…
申请理由：
• I think I would be a good … for the following reasons.
结尾：
• If you can kindly give me the opportunity, I am sure to make you satisfied. I am looking forward to your reply.
• I would be very happy if you give me this opportunity. Thank you very much!
• I sincerely hope I will be granted this great opportunity. Thank you very much!
感谢信套话：
开头：I am writing to thank you for …
结尾：
• Sincerely thank you again for … I hope you will … and give me a chance to repay you.
Keep in touch and best wishes.
道歉信套话：
开头：
• How is it going? I remember we planned to … But … So I cannot go with you as we planned.
• Thank you for your invitation to … Unfortunately, … it is much to my regret that I cannot join you because …
结尾：
• I feel terribly sorry about it. May I suggest … I wish you could understand. Looking forward to hearing from you soon.
• Please allow me to say sorry again. / Please accept my sincere apology. / I sincerely hope you could accept my apology and understand my situation.