I may undress you may undress she may undress we may undress you may undress they may undress
V-ing form
I may be undressing you may be undressing she may be undressing we may be undressing you may be undressing they may be undressing
Perfect
I may have undressed you may have undressed she may have undressed we may have undressed you may have undressed they may have undressed
V-ing perfect
I may have been undressing you may have been undressing she may have been undressing we may have been undressing you may have been undressing they may have been undressing
Negation
Simple form
I mayn't undress you mayn't undress she mayn't undress we mayn't undress you mayn't undress they mayn't undress
V-ing form
I mayn't be undressing you mayn't be undressing she mayn't be undressing we mayn't be undressing you mayn't be undressing they mayn't be undressing
Perfect
I mayn't have undressed you mayn't have undressed she mayn't have undressed we mayn't have undressed you mayn't have undressed they mayn't have undressed
V-ing perfect
I mayn't have been undressing you mayn't have been undressing she mayn't have been undressing we mayn't have been undressing you mayn't have been undressing they mayn't have been undressing
Interrogative form
Simple form
may I undress? may you undress? may she undress? may we undress? may you undress? may they undress?
V-ing form
may I be undressing? may you be undressing? may she be undressing? may we be undressing? may you be undressing? may they be undressing?
Perfect
may I have undressed? may you have undressed? may she have undressed? may we have undressed? may you have undressed? may they have undressed?
V-ing perfect
may I have been undressing? may you have been undressing? may she have been undressing? may we have been undressing? may you have been undressing? may they have been undressing?
Interro-negative form
Simple form
mayn't I undress? mayn't you undress? mayn't she undress? mayn't we undress? mayn't you undress? mayn't they undress?
V-ing form
mayn't I be undressing? mayn't you be undressing? mayn't she be undressing? mayn't we be undressing? mayn't you be undressing? mayn't they be undressing?
Perfect
mayn't I have undressed? mayn't you have undressed? mayn't she have undressed? mayn't we have undressed? mayn't you have undressed? mayn't they have undressed?
V-ing perfect
mayn't I have been undressing? mayn't you have been undressing? mayn't she have been undressing? mayn't we have been undressing? mayn't you have been undressing? mayn't they have been undressing?