英语建议信万能句型是：
开头：
1、I’m sorry to know that...
2、I’m writing to give you some suggestions.
3、Here are some suggestions for your reference.
中间：
4、You are supposed to...
5、You may/might as well do...
6、The best way to do...is to do...
结尾：
7、I hope my advice can be of help to you.
8、I hope you will find these ideas useful.
9、I would be more than happy if my suggestions could be of help to you.
赤脚医师
