開頭
自我介紹： I am Li Hua, coming from a middle school, which is the best education institution in my beautiful city.
感謝信：I am writing this letter to express my sincere gratitude for your help.
道歉信：I am writing this letter to express my apology for any inconvenience caused.
詢問信：I am writing this letter to see if it is possible for you to provide me with some imformation which is very important to me.
建議信：I am writing this letter to make some conductive suggestions.
邀請信：I am writing this letter to invite you to come with us in an important issue.
請求信：I am writing to ask whether you can do me a favor.
中間句型
What I want to stress in this letter is that ……
Since it is (not)helpful， I suggest you doing sth.
As we all know, ……
It is important to do sth.
It should be a good idea to do sth.
By doing so, you will ……
Here are a few suggestions.
It also helps to do sth.
It is a good opportunity for you to do ……
As for my suggestion, I think it’s better to do sth.
I was delighted to learn that ……
I would like to express my thanks to you for your advice.
常用短語
Look for = seek = search for;good = perfect = excellent;
very = rather;all kinds of = all sorts of = various;
come up with some ideas;for example = for instance;
of course;what’s more = besides ;
in order to do sth.;by the way;
but = however;otherwise;unless;
though = although;
because = as = since;be eager to do sth.;
be lucky enough to do sth.;more and more;
above all = in a word;
in fact = as a matter of fact;
so = thus = therefore = as a result
結尾
I am looking forward to receiving your reply.
If you have any suggestions, please let me know.
Thank you sincerely in advance.
求職信、投訴信、詢問信、建議信、邀請信：Thank you for your consideration and I will be looking forward to your reply.
感謝信：I would like to express my thanks for your warm hospitality with a little gift that you will shortly receive.
落款：Sincerely yours,
XXX