may underdress
Verbe régulier : underdress - underdressed- underdressed

Affirmation 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
I may underdress
you may underdress
he may underdress
we may underdress
you may underdress
they may underdress 	I may be underdressing
you may be underdressing
he may be underdressing
we may be underdressing
you may be underdressing
they may be underdressing	I may have underdressed
you may have underdressed
he may have underdressed
we may have underdressed
you may have underdressed
they may have underdressed	I may have been underdressing
you may have been underdressing
he may have been underdressing
we may have been underdressing
you may have been underdressing
they may have been underdressing	

Négation 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
I mayn't underdress
you mayn't underdress
he mayn't underdress
we mayn't underdress
you mayn't underdress
they mayn't underdress 	I mayn't be underdressing
you mayn't be underdressing
he mayn't be underdressing
we mayn't be underdressing
you mayn't be underdressing
they mayn't be underdressing	I mayn't have underdressed
you mayn't have underdressed
he mayn't have underdressed
we mayn't have underdressed
you mayn't have underdressed
they mayn't have underdressed	I mayn't have been underdressing
you mayn't have been underdressing
he mayn't have been underdressing
we mayn't have been underdressing
you mayn't have been underdressing
they mayn't have been underdressing	

Forme interrogative 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
may I underdress?
may you underdress?
may he underdress?
may we underdress?
may you underdress?
may they underdress? 	may I be underdressing?
may you be underdressing?
may he be underdressing?
may we be underdressing?
may you be underdressing?
may they be underdressing? 	may I have underdressed?
may you have underdressed?
may he have underdressed?
may we have underdressed?
may you have underdressed?
may they have underdressed? 	may I have been underdressing?
may you have been underdressing?
may he have been underdressing?
may we have been underdressing?
may you have been underdressing?
may they have been underdressing? 	

Forme interro-négative 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
mayn't I underdress?
mayn't you underdress?
mayn't he underdress?
mayn't we underdress?
mayn't you underdress?
mayn't they underdress? 	mayn't I be underdressing?
mayn't you be underdressing?
mayn't he be underdressing?
mayn't we be underdressing?
mayn't you be underdressing?
mayn't they be underdressing? 	mayn't I have underdressed?
mayn't you have underdressed?
mayn't he have underdressed?
mayn't we have underdressed?
mayn't you have underdressed?
mayn't they have underdressed? 	mayn't I have been underdressing?
mayn't you have been underdressing?
mayn't he have been underdressing?
mayn't we have been underdressing?
mayn't you have been underdressing?
mayn't they have been underdressing?