PAGE3/NUMPAGES3考研英语道歉信因过失或疏忽做错了事，给别人带来了麻烦或损失，发觉后要立即写信给对方赔礼道歉，这是一种礼貌。道歉信要写得坦率，诚恳。1、因未能践约赴宴致歉UnabletokeeponespromiseDearMissNancy，MuchtomyregretIwasunabletokeepmypromisetoattendyourbirthdaypartylastSaturday，owingtothefactthatmylittlesonwassuddenlytakenillearlythatday.Hopingtoseeyousoon.Trulyyours，Tom考研英语道歉信亲爱的南希小姐：小儿上周六突然生病，因此未能应约赴生日宴，殊觉抱歉，希原谅，再见。2、因迟复来信致歉BecauseofansweringonesletterlateDearDavid：Iamafraidthatyouwillthinkmeunpardonablynegligentinnothavingansweredyourletterdated7，Decembersooner，butwhenIhavetoldyouthereason，Itrustyouwillbeconvincedthattheneglectwasexcusable.Whenyourletterarrived，IwasjustinHongKong.Asmyfamilycouldnotforwardittomeduringmyabsence，ithasbeen，therefore，lyingonmydeskuntilthemomentwhenItookitup.NowthefirstthingIhavetohastentodoistowritetoyouthesefewlinestoexpressmydeepregret.Ienjoyedmanypleasantsightsduringmytrip.IshallbepleasedtogiveyouanaccounttoofthemwhenIseeyounext.Sincerelyyours，Tom考研英语道歉信DearProf.PatentIamverysorrytoinformyouthatIdidnotmanagetocompletethebookreportyouassignedlastweek,duetoasuddenillnessfallinguponmeafewdaysago.ForthepastfewdaysIhavebeeninhospitalwithacontinuousfever,whichhasthuspreventedmefromanyacademicactivity.Iherebysubmitthedoctorsnote.Iwouldbeverymuchobligedifyoucouldgrantmeanotherweekforthetask,asmyhealthisturningbetter.Hopeyoucanunderstandmysituationandacceptmyapology.YoursfaithfullyLiMing译文：尊敬的.Patent教授：我非常遗憾地告知您我没有完成您上周布置的读书报告，因为几天前我突然生病了。过去的几天中我一直持续高烧，住在医院，因此无法进行任何学术活动。随信是医生的诊断书。如果您能再给一周时间来完成它我将感激不尽，因为现在我的身体正在好转。希望您能理解我的处境并接受我的道歉。您真诚的李明