a Which lines suit a friend?
Tick 2Come to our opening on Saturday!There'll be loads of cake!We request the pleasure of your company.Please confirm your attendance.I hereby invite you.
Now invite a friend to the café opening:
b Which lines suit the mayor?
Tick 2We would be delighted if you could attend.Please reply by Friday.It's gonna be ace!Come round whenever.Cheers, see ya.
Now invite the mayor to the same opening:
c Which lines would be wrong for both?
Tick 2Alright mate, I hereby invite you.Yo, kindly attend, innit.Come to our opening.We hope you can join us.See you Saturday.
Say why they are wrong for both: