I may underlie you may underlie she may underlie we may underlie you may underlie they may underlie
V-ing form
I may be underlying you may be underlying she may be underlying we may be underlying you may be underlying they may be underlying
Perfect
I may have underlain you may have underlain she may have underlain we may have underlain you may have underlain they may have underlain
V-ing perfect
I may have been underlying you may have been underlying she may have been underlying we may have been underlying you may have been underlying they may have been underlying
Negation
Simple form
I may not underlie you may not underlie she may not underlie we may not underlie you may not underlie they may not underlie
V-ing form
I may not be underlying you may not be underlying she may not be underlying we may not be underlying you may not be underlying they may not be underlying
Perfect
I may not have underlain you may not have underlain she may not have underlain we may not have underlain you may not have underlain they may not have underlain
V-ing perfect
I may not have been underlying you may not have been underlying she may not have been underlying we may not have been underlying you may not have been underlying they may not have been underlying
Interrogative form
Simple form
may I underlie? may you underlie? may she underlie? may we underlie? may you underlie? may they underlie?
V-ing form
may I be underlying? may you be underlying? may she be underlying? may we be underlying? may you be underlying? may they be underlying?
Perfect
may I have underlain? may you have underlain? may she have underlain? may we have underlain? may you have underlain? may they have underlain?
V-ing perfect
may I have been underlying? may you have been underlying? may she have been underlying? may we have been underlying? may you have been underlying? may they have been underlying?
Interro-negative form
Simple form
may I not underlie? may you not underlie? may she not underlie? may we not underlie? may you not underlie? may they not underlie?
V-ing form
may I not be underlying? may you not be underlying? may she not be underlying? may we not be underlying? may you not be underlying? may they not be underlying?
Perfect
may I not have underlain? may you not have underlain? may she not have underlain? may we not have underlain? may you not have underlain? may they not have underlain?
V-ing perfect
may I not have been underlying? may you not have been underlying? may she not have been underlying? may we not have been underlying? may you not have been underlying? may they not have been underlying?