may underreact
Regular verb: underreact - underreacted- underreacted

Affirmation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I may underreact
you may underreact
he may underreact
we may underreact
you may underreact
they may underreact 	I may be underreacting
you may be underreacting
he may be underreacting
we may be underreacting
you may be underreacting
they may be underreacting	I may have underreacted
you may have underreacted
he may have underreacted
we may have underreacted
you may have underreacted
they may have underreacted	I may have been underreacting
you may have been underreacting
he may have been underreacting
we may have been underreacting
you may have been underreacting
they may have been underreacting	

Negation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I mayn't underreact
you mayn't underreact
he mayn't underreact
we mayn't underreact
you mayn't underreact
they mayn't underreact 	I mayn't be underreacting
you mayn't be underreacting
he mayn't be underreacting
we mayn't be underreacting
you mayn't be underreacting
they mayn't be underreacting	I mayn't have underreacted
you mayn't have underreacted
he mayn't have underreacted
we mayn't have underreacted
you mayn't have underreacted
they mayn't have underreacted	I mayn't have been underreacting
you mayn't have been underreacting
he mayn't have been underreacting
we mayn't have been underreacting
you mayn't have been underreacting
they mayn't have been underreacting	

Interrogative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
may I underreact?
may you underreact?
may he underreact?
may we underreact?
may you underreact?
may they underreact? 	may I be underreacting?
may you be underreacting?
may he be underreacting?
may we be underreacting?
may you be underreacting?
may they be underreacting? 	may I have underreacted?
may you have underreacted?
may he have underreacted?
may we have underreacted?
may you have underreacted?
may they have underreacted? 	may I have been underreacting?
may you have been underreacting?
may he have been underreacting?
may we have been underreacting?
may you have been underreacting?
may they have been underreacting? 	

Interro-negative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
mayn't I underreact?
mayn't you underreact?
mayn't he underreact?
mayn't we underreact?
mayn't you underreact?
mayn't they underreact? 	mayn't I be underreacting?
mayn't you be underreacting?
mayn't he be underreacting?
mayn't we be underreacting?
mayn't you be underreacting?
mayn't they be underreacting? 	mayn't I have underreacted?
mayn't you have underreacted?
mayn't he have underreacted?
mayn't we have underreacted?
mayn't you have underreacted?
mayn't they have underreacted? 	mayn't I have been underreacting?
mayn't you have been underreacting?
mayn't he have been underreacting?
mayn't we have been underreacting?
mayn't you have been underreacting?
mayn't they have been underreacting?