英语请假条怎么写

文头： Ask for Sick/Business leave (请病假/事假条)
批准机构或人：（比如）To XXt office (XX办公室)
称呼： Dear Sir / Dear XX
正文： (见下例)
落款： Yours faithfully XX
日期： Sep，X, 2009

例一、病假条
I am awfuully sorry that I can not come to the office today. Enclosed please find a certificate form the doctore who said I must keep0 the bed. It may possible be a few days before I am able to resume my duty.
I trust my abesence will not cause you any serious inconvenience.
Yours faithfully
XX
Sep，X, 2009
例二、事假条
I beg to apply for some days' leave of absence from (某日) to (某日) instant, in order to (办某事).
To support my application, I herewith submit a (某证明).
I should be very much obliged if you will grant my application. As regards the (工作或学习事务) to be miss during my abxence, I will do my best to make them up as soon as I get back from leave.
Yours faithfully
XX
Sep，X, 2009

Dear teacher

Due to sickness(reason), i have to take one day off to see a doctor.Please approve. Thank you.

Student....