A 「依頼／お願い」I am writing to request〜
I am writing to request a display sample of your recently published book,'The History of the Bee Gees in Three Short Volumes.'

I am writing to request that you stop parking your van outside our company's entrance way.

B 「苦情／抗議」I am writing to complain〜
I am writing to complain that you are still regularly parking your van outside our companys entrance way.

C「質問／依頼／お伺い」I am writing to ask you〜
I am writing to ask you if you currently have the book, 'Fly Fishing', by J.R.Hartley in stock.

D「通知／お知らせ」I am writing to inform you that〜
I am writing to inform you that〜

I am writing to inform you that the items on your order of the 15th August will be shipped by September 20th. I am writing to inform you that we will be obliged to cut off your telephone line unless you pay your outstanding telephone bill of 7 yen by the 13th October 2000.

E「問合せ」I am writing to enquire about〜
I am writing to enquire about copyright issues relating to your recently published software 'The Amateur Brain Surgeon ' A Pictorial Electronic Guide.'