may underlay
Irregular verb: underlay - underlaid- underlaid

Affirmation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I may underlay
you may underlay
she may underlay
we may underlay
you may underlay
they may underlay 	I may be underlaying
you may be underlaying
she may be underlaying
we may be underlaying
you may be underlaying
they may be underlaying	I may have underlaid
you may have underlaid
she may have underlaid
we may have underlaid
you may have underlaid
they may have underlaid	I may have been underlaying
you may have been underlaying
she may have been underlaying
we may have been underlaying
you may have been underlaying
they may have been underlaying	

Negation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I mayn't underlay
you mayn't underlay
she mayn't underlay
we mayn't underlay
you mayn't underlay
they mayn't underlay 	I mayn't be underlaying
you mayn't be underlaying
she mayn't be underlaying
we mayn't be underlaying
you mayn't be underlaying
they mayn't be underlaying	I mayn't have underlaid
you mayn't have underlaid
she mayn't have underlaid
we mayn't have underlaid
you mayn't have underlaid
they mayn't have underlaid	I mayn't have been underlaying
you mayn't have been underlaying
she mayn't have been underlaying
we mayn't have been underlaying
you mayn't have been underlaying
they mayn't have been underlaying	

Interrogative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
may I underlay?
may you underlay?
may she underlay?
may we underlay?
may you underlay?
may they underlay? 	may I be underlaying?
may you be underlaying?
may she be underlaying?
may we be underlaying?
may you be underlaying?
may they be underlaying? 	may I have underlaid?
may you have underlaid?
may she have underlaid?
may we have underlaid?
may you have underlaid?
may they have underlaid? 	may I have been underlaying?
may you have been underlaying?
may she have been underlaying?
may we have been underlaying?
may you have been underlaying?
may they have been underlaying? 	

Interro-negative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
mayn't I underlay?
mayn't you underlay?
mayn't she underlay?
mayn't we underlay?
mayn't you underlay?
mayn't they underlay? 	mayn't I be underlaying?
mayn't you be underlaying?
mayn't she be underlaying?
mayn't we be underlaying?
mayn't you be underlaying?
mayn't they be underlaying? 	mayn't I have underlaid?
mayn't you have underlaid?
mayn't she have underlaid?
mayn't we have underlaid?
mayn't you have underlaid?
mayn't they have underlaid? 	mayn't I have been underlaying?
mayn't you have been underlaying?
mayn't she have been underlaying?
mayn't we have been underlaying?
mayn't you have been underlaying?
mayn't they have been underlaying?