I need some help and ideas for dating :/?

can girls please answer....thanks :) Well Im 17 ,im kinda new to the whole dating thing and i got my first girlfriend so i was going to ask her out for a date and i wasn't sure what we should do because i dont know if she is going to think my dates are corny sooooo any ideas what we should do? and should it just be us or with a group or another couple?