I may tan you may tan she may tan we may tan you may tan they may tan
V-ing form
I may be tanning you may be tanning she may be tanning we may be tanning you may be tanning they may be tanning
Perfect
I may have tanned you may have tanned she may have tanned we may have tanned you may have tanned they may have tanned
V-ing perfect
I may have been tanning you may have been tanning she may have been tanning we may have been tanning you may have been tanning they may have been tanning
Negation
Simple form
I may not tan you may not tan she may not tan we may not tan you may not tan they may not tan
V-ing form
I may not be tanning you may not be tanning she may not be tanning we may not be tanning you may not be tanning they may not be tanning
Perfect
I may not have tanned you may not have tanned she may not have tanned we may not have tanned you may not have tanned they may not have tanned
V-ing perfect
I may not have been tanning you may not have been tanning she may not have been tanning we may not have been tanning you may not have been tanning they may not have been tanning
Interrogative form
Simple form
may I tan? may you tan? may she tan? may we tan? may you tan? may they tan?
V-ing form
may I be tanning? may you be tanning? may she be tanning? may we be tanning? may you be tanning? may they be tanning?
Perfect
may I have tanned? may you have tanned? may she have tanned? may we have tanned? may you have tanned? may they have tanned?
V-ing perfect
may I have been tanning? may you have been tanning? may she have been tanning? may we have been tanning? may you have been tanning? may they have been tanning?
Interro-negative form
Simple form
may I not tan? may you not tan? may she not tan? may we not tan? may you not tan? may they not tan?
V-ing form
may I not be tanning? may you not be tanning? may she not be tanning? may we not be tanning? may you not be tanning? may they not be tanning?
Perfect
may I not have tanned? may you not have tanned? may she not have tanned? may we not have tanned? may you not have tanned? may they not have tanned?
V-ing perfect
may I not have been tanning? may you not have been tanning? may she not have been tanning? may we not have been tanning? may you not have been tanning? may they not have been tanning?