Invitation is a request( in spoken or write) to participate or be present or take part in progamme or to do something.
There are 2 types of invitation :
Formal invitation is usually originate from institutes, companies, and a kind of it. Normally, formal invitation is written invitation.
Example:
Extending (mengundang), example :
* I would like to invite you to come to my office
* Would you like to come to my house ?
* How would you like to go fishing with us next week ?
* If you are not busy, please try to come to my café
* Accepting (menerima), example :
* I’d love to
* I like that
* That sounds great
* Thank you for the invitation
* That would be wonderful
