WHAT DO I DO THIS IS URGENT!!?

i was about a hour late home from playing out the other day. Also on the same day i was cheeky to my mum and got into trouble. And guess what i'm grounded! she made me go to bed early and grounded me off going out for the rest of the week. Also me and my mates go out from 7 till about 8:30 evry friday an tdays tuesday. i dont really care about the playing out but I NEED to go on friday cuzz its realy good im 11 years old and i really need help. Please don't say like rr u shud have been gud. ano but al the same, please any ideas?? PLEASE HELP!!! all the same, thankyou xxx