Invitation

Invitation is way to invite someone or more to go to a place to do something
There are two type of invitation.
1. Formal Invitaion
Formal invitaion is usuallu originate from institues companies and a kind of it,
normally formal invitation is written invitaion.
2. Informal invitation
Informal invitation is personal invitation
given to a friend, famili, etc.

Informal invitation can be written and verbal invitation.

Example of verbal Invitation :
. I would like to invite you to come to my house
. would you like to come to my party ?
. Would you like to go camping with us next month ?
. Are you free this evening ?
. We hope you'll join us.

Accepting an invitation
. I'd love to
. I like that
. That sounds great.
. Thank you for the invitation
. That would be wonderfull

Declining an invitation
. I'd love to but i can't
. I'm really sorry because I can't come
. Sorry I'm really busy
. I's love to but I don't think i can't