may undress
Regular verb: undress - undressed- undressed

Affirmation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I may undress
you may undress
she may undress
we may undress
you may undress
they may undress 	I may be undressing
you may be undressing
she may be undressing
we may be undressing
you may be undressing
they may be undressing	I may have undressed
you may have undressed
she may have undressed
we may have undressed
you may have undressed
they may have undressed	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 	V-ing form 	Perfect 	V-ing perfect 	
I mayn't undress
you mayn't undress
she mayn't undress
we mayn't undress
you mayn't undress
they mayn't undress 	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	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	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 	V-ing form 	Perfect 	V-ing perfect 	
may I undress?
may you undress?
may she undress?
may we undress?
may you undress?
may they undress? 	may I be undressing?
may you be undressing?
may she be undressing?
may we be undressing?
may you be undressing?
may they be undressing? 	may I have undressed?
may you have undressed?
may she have undressed?
may we have undressed?
may you have undressed?
may they have undressed? 	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 	V-ing form 	Perfect 	V-ing perfect 	
mayn't I undress?
mayn't you undress?
mayn't she undress?
mayn't we undress?
mayn't you undress?
mayn't they undress? 	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? 	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? 	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?