[header] How to ask a guy to homecoming [title] Determine whether or not he already has a date. [step] This will save you a great deal of time and effort, and give you ample time to make other plans if necessary. Try asking around if you are unsure. 
[substeps] If he has a girlfriend, then you can safely assume that he is going with her. Don't ask out a guy if he already has a date.