四六级考试中英语写作是考查重点，而应用文写作则侧重在信函书写上，来看看下面关于应用文写作中信函书写的一些注意事项和建议。
应用文重点考察信函，要求考生按照这个场景给相关人士写一封短信，并在信中明确表达自己写信的原因、动机、目的和愿望等。
注意事项：
a.英语书信的格式——公函、私函 ;
b.应用恰当的句式和语句;
C.不要写真名。
应用型作文书信关键句式
Dear Sir or Madam
Mr. Mrs. Miss. Ms
Yours sincerely, yours truthfully,
Love,…
Yours affectionately,
开头用语
How time flies! We haven’t seen each other for a long time. All the things here are going on pretty well, I just miss you so much!
It is so great to here from you again.
I hope this letter finds you in good health and good spirits.
I trust that everything is going smoothly for you.
It is a great pleasure for me to have this wonderful chance to put pen to paper and send greetings to you.
中间用语
In my humble opinion, you would be wise to take the following action…
I hope you will not find too forward for me to suggest that you..
In my experience, it seems that ….would make sense in your situation.
结尾用语
1.I am looking forward to a favorable reply at your earliest convenience.
2.Thank you for your consideration and I will be looking forward to your reply.