informal language used in .I'm sorry to contact you at such short notice, but I will be unable to come to work tomorrow. I went over on my ankle playing football and it is killing me. I am currently lying on a trolley in the hospital. I have had to be taken in for X-rays as the emergency doctor thinks I might have chipped a bone. I understand that this leaves you in the lurch. I am extremely sorry, and I will update you as soon as I know more. informal languages