I may first-foot you may first-foot she may first-foot we may first-foot you may first-foot they may first-foot
V-ing form
I may be first-footing you may be first-footing she may be first-footing we may be first-footing you may be first-footing they may be first-footing
Perfect
I may have first-footed you may have first-footed she may have first-footed we may have first-footed you may have first-footed they may have first-footed
V-ing perfect
I may have been first-footing you may have been first-footing she may have been first-footing we may have been first-footing you may have been first-footing they may have been first-footing
Negation
Simple form
I may not first-foot you may not first-foot she may not first-foot we may not first-foot you may not first-foot they may not first-foot
V-ing form
I may not be first-footing you may not be first-footing she may not be first-footing we may not be first-footing you may not be first-footing they may not be first-footing
Perfect
I may not have first-footed you may not have first-footed she may not have first-footed we may not have first-footed you may not have first-footed they may not have first-footed
V-ing perfect
I may not have been first-footing you may not have been first-footing she may not have been first-footing we may not have been first-footing you may not have been first-footing they may not have been first-footing
Interrogative form
Simple form
may I first-foot? may you first-foot? may she first-foot? may we first-foot? may you first-foot? may they first-foot?
V-ing form
may I be first-footing? may you be first-footing? may she be first-footing? may we be first-footing? may you be first-footing? may they be first-footing?
Perfect
may I have first-footed? may you have first-footed? may she have first-footed? may we have first-footed? may you have first-footed? may they have first-footed?
V-ing perfect
may I have been first-footing? may you have been first-footing? may she have been first-footing? may we have been first-footing? may you have been first-footing? may they have been first-footing?
Interro-negative form
Simple form
may I not first-foot? may you not first-foot? may she not first-foot? may we not first-foot? may you not first-foot? may they not first-foot?
V-ing form
may I not be first-footing? may you not be first-footing? may she not be first-footing? may we not be first-footing? may you not be first-footing? may they not be first-footing?
Perfect
may I not have first-footed? may you not have first-footed? may she not have first-footed? may we not have first-footed? may you not have first-footed? may they not have first-footed?
V-ing perfect
may I not have been first-footing? may you not have been first-footing? may she not have been first-footing? may we not have been first-footing? may you not have been first-footing? may they not have been first-footing?