I may tick you may tick she may tick we may tick you may tick they may tick
V-ing form
I may be ticking you may be ticking she may be ticking we may be ticking you may be ticking they may be ticking
Perfect
I may have ticked you may have ticked she may have ticked we may have ticked you may have ticked they may have ticked
V-ing perfect
I may have been ticking you may have been ticking she may have been ticking we may have been ticking you may have been ticking they may have been ticking
Negation
Simple form
I may not tick you may not tick she may not tick we may not tick you may not tick they may not tick
V-ing form
I may not be ticking you may not be ticking she may not be ticking we may not be ticking you may not be ticking they may not be ticking
Perfect
I may not have ticked you may not have ticked she may not have ticked we may not have ticked you may not have ticked they may not have ticked
V-ing perfect
I may not have been ticking you may not have been ticking she may not have been ticking we may not have been ticking you may not have been ticking they may not have been ticking
Interrogative form
Simple form
may I tick? may you tick? may she tick? may we tick? may you tick? may they tick?
V-ing form
may I be ticking? may you be ticking? may she be ticking? may we be ticking? may you be ticking? may they be ticking?
Perfect
may I have ticked? may you have ticked? may she have ticked? may we have ticked? may you have ticked? may they have ticked?
V-ing perfect
may I have been ticking? may you have been ticking? may she have been ticking? may we have been ticking? may you have been ticking? may they have been ticking?
Interro-negative form
Simple form
may I not tick? may you not tick? may she not tick? may we not tick? may you not tick? may they not tick?
V-ing form
may I not be ticking? may you not be ticking? may she not be ticking? may we not be ticking? may you not be ticking? may they not be ticking?
Perfect
may I not have ticked? may you not have ticked? may she not have ticked? may we not have ticked? may you not have ticked? may they not have ticked?
V-ing perfect
may I not have been ticking? may you not have been ticking? may she not have been ticking? may we not have been ticking? may you not have been ticking? may they not have been ticking?