Inviting Someone, Accepting and Declining Invitation

Inviting someone:
- please come inside.
- would you come to my sister's party tomorrow.
- can you drop to my house after schoolschool.
Response:
- thank you/thanks.
- sure, I will.
- sorry, I can't.
- I'm afraid I can't.
- I'm so sorry, I can't.

Accepting an invitation:
- surely I would.
- i'd like to. Thanks for inviting me.
- absolutely, i will.
- i really like party.
- i won't miss it.
- don't worry, i'll come.
- i'll be glad to take your invitation.
Declining an invitation:
- i'm sorry i can't.
- i'm afraid. I can't.
- i like it, but I am not sure I can go.
- I'd like to, but have something else to do.
- thanks for your invitation but I can't.