I may down you may down he may down we may down you may down they may down
V-ing form
I may be downing you may be downing he may be downing we may be downing you may be downing they may be downing
Perfect
I may have downed you may have downed he may have downed we may have downed you may have downed they may have downed
V-ing perfect
I may have been downing you may have been downing he may have been downing we may have been downing you may have been downing they may have been downing
Negation
Simple form
I may not down you may not down he may not down we may not down you may not down they may not down
V-ing form
I may not be downing you may not be downing he may not be downing we may not be downing you may not be downing they may not be downing
Perfect
I may not have downed you may not have downed he may not have downed we may not have downed you may not have downed they may not have downed
V-ing perfect
I may not have been downing you may not have been downing he may not have been downing we may not have been downing you may not have been downing they may not have been downing
Interrogative form
Simple form
may I down? may you down? may he down? may we down? may you down? may they down?
V-ing form
may I be downing? may you be downing? may he be downing? may we be downing? may you be downing? may they be downing?
Perfect
may I have downed? may you have downed? may he have downed? may we have downed? may you have downed? may they have downed?
V-ing perfect
may I have been downing? may you have been downing? may he have been downing? may we have been downing? may you have been downing? may they have been downing?
Interro-negative form
Simple form
may I not down? may you not down? may he not down? may we not down? may you not down? may they not down?
V-ing form
may I not be downing? may you not be downing? may he not be downing? may we not be downing? may you not be downing? may they not be downing?
Perfect
may I not have downed? may you not have downed? may he not have downed? may we not have downed? may you not have downed? may they not have downed?
V-ing perfect
may I not have been downing? may you not have been downing? may he not have been downing? may we not have been downing? may you not have been downing? may they not have been downing?