I may yelp you may yelp she may yelp we may yelp you may yelp they may yelp
V-ing form
I may be yelping you may be yelping she may be yelping we may be yelping you may be yelping they may be yelping
Perfect
I may have yelped you may have yelped she may have yelped we may have yelped you may have yelped they may have yelped
V-ing perfect
I may have been yelping you may have been yelping she may have been yelping we may have been yelping you may have been yelping they may have been yelping
Negation
Simple form
I may not yelp you may not yelp she may not yelp we may not yelp you may not yelp they may not yelp
V-ing form
I may not be yelping you may not be yelping she may not be yelping we may not be yelping you may not be yelping they may not be yelping
Perfect
I may not have yelped you may not have yelped she may not have yelped we may not have yelped you may not have yelped they may not have yelped
V-ing perfect
I may not have been yelping you may not have been yelping she may not have been yelping we may not have been yelping you may not have been yelping they may not have been yelping
Interrogative form
Simple form
may I yelp? may you yelp? may she yelp? may we yelp? may you yelp? may they yelp?
V-ing form
may I be yelping? may you be yelping? may she be yelping? may we be yelping? may you be yelping? may they be yelping?
Perfect
may I have yelped? may you have yelped? may she have yelped? may we have yelped? may you have yelped? may they have yelped?
V-ing perfect
may I have been yelping? may you have been yelping? may she have been yelping? may we have been yelping? may you have been yelping? may they have been yelping?
Interro-negative form
Simple form
may I not yelp? may you not yelp? may she not yelp? may we not yelp? may you not yelp? may they not yelp?
V-ing form
may I not be yelping? may you not be yelping? may she not be yelping? may we not be yelping? may you not be yelping? may they not be yelping?
Perfect
may I not have yelped? may you not have yelped? may she not have yelped? may we not have yelped? may you not have yelped? may they not have yelped?
V-ing perfect
may I not have been yelping? may you not have been yelping? may she not have been yelping? may we not have been yelping? may you not have been yelping? may they not have been yelping?