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 may not undress
you may not undress
he may not undress
we may not undress
you may not undress
they may not undress 	I may not be undressing
you may not be undressing
he may not be undressing
we may not be undressing
you may not be undressing
they may not be undressing	I may not have undressed
you may not have undressed
he may not have undressed
we may not have undressed
you may not have undressed
they may not have undressed	I may not have been undressing
you may not have been undressing
he may not have been undressing
we may not have been undressing
you may not have been undressing
they may not 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 	
may I not undress?
may you not undress?
may he not undress?
may we not undress?
may you not undress?
may they not undress? 	may I not be undressing?
may you not be undressing?
may he not be undressing?
may we not be undressing?
may you not be undressing?
may they not be undressing? 	may I not have undressed?
may you not have undressed?
may he not have undressed?
may we not have undressed?
may you not have undressed?
may they not have undressed? 	may I not have been undressing?
may you not have been undressing?
may he not have been undressing?
may we not have been undressing?
may you not have been undressing?
may they not have been undressing?