2.Festival (tutaj nrakuje czasownika) to continue for 7 days. A fashion show will be held 'form' (to jest zle slowo) Monday till Friday to 'show case' (to jest jedno slowo) the most fashionable clothes created by the best designers in the world.
4. Beside the concerts which will 'to' (niepotr) take place on Friday, Saturday and Sunday (kto? co? pies? kot?) will be able to meet with the most famous fashion designer in the world Calvin Klein.
6.. 'You will be can' (tego całkowicie nie rozumiem, dlaczego postawilas 2 modale kolo siebie, albo jeden albo drugi) meet there 'to' (po co to slowo tutaj?) among other 'things' (no, no, niw wiedziałam, ze 'designers' to sa 'things'): More Jacobs, Nanette Lepore, Vera Wang, Jason Wu.
7.I think that we will 'be' (to jest zle slowo, tutaj 'have') also great fun and THAT IT will be 'the' (zly przedimek) memorable festival.
8. (kto? co? musisz napisac) can of course buy (przedimek) booklet for the whole week for £65.
9. I'll call you IN a couple of days before (przedimek) festival and 'wil' (popraw) tell you if I 'could' (nie, tutaj 'can') 'to' (nie rozumiem co masz z tym słowem 'to') buy a ticket or (przedimek) booklet.