Question Tag Query

[Harrypotter_fan]

I don't know which question tag will be right for - I wish to go. Is it "I wish to go, may I?" or "I wish to go, don't I?" ?

I feel 'don't I' is correct as the sentence implies - I (do) wish to go. Right? Or is it 'may I' ?

 

[MattW]

"Don't I" would imply doubt about wishing to go, "May I" would be asking for permission.

 

[Sureshot]

You'd ask one to your parents/better half the other you'd ask to your shrink.

 

[Harrypotter_fan]

And in an examination?

 

[Sureshot]

First one.