Zaproszenie do impreze

Dear [imie i nazwisko kolegi lub kolezanki],
As you know, I'm having a party at my house on Friday and I wanted to invite you over. I'm sure your parents will allow you to come since we won't have school on Saturday. There are going to be some other people, too, including [imie i nazwisko kolegi lub kolezanki] , [imie i nazwisko kolegi lub kolezanki] and [imie i nazwisko kolegi lub kolezanki]. We are going to watch this new movie that I got called "[tytul nowego filmu]". Also, if you can, my parents allowed me to have a sleep over, too. Would you like to join us? [imie i nawisko kolegi lub kolezanki], [imie i nazwisko kolegi lub kolezanki], [imie i nazwisko kolegi lub kolezanki] and [imie i nazwisko kolegi lub kolezanki] are going to sleep over at my house tonight. If you agree, we're going to have so much fun. For instince, we're going to tell the most creepy ghost stories, and watch a really horrifing movie called "[imie strasznego filmu]". Have you seen it before? I heard it's really gross!
So, if you would like some more information please see me at school or call me (you have my phone number). I hope you will join us on Friday!
Sincerely, [twoje imie i nazwisko]