may undress
Regular verb: undress - undressed- undressed

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