shall underreact
Verbe régulier : underreact - underreacted- underreacted

Affirmation 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
I'll underreact
you'll underreact
she'll underreact
we'll underreact
you'll underreact
they'll underreact 	I'll be underreacting
you'll be underreacting
she'll be underreacting
we'll be underreacting
you'll be underreacting
they'll be underreacting	I'll have underreacted
you'll have underreacted
she'll have underreacted
we'll have underreacted
you'll have underreacted
they'll have underreacted	I'll have been underreacting
you'll have been underreacting
she'll have been underreacting
we'll have been underreacting
you'll have been underreacting
they'll have been underreacting	

Négation 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
I shan't underreact
you shan't underreact
she shan't underreact
we shan't underreact
you shan't underreact
they shan't underreact 	I shan't be underreacting
you shan't be underreacting
she shan't be underreacting
we shan't be underreacting
you shan't be underreacting
they shan't be underreacting	I shan't have underreacted
you shan't have underreacted
she shan't have underreacted
we shan't have underreacted
you shan't have underreacted
they shan't have underreacted	I shan't have been underreacting
you shan't have been underreacting
she shan't have been underreacting
we shan't have been underreacting
you shan't have been underreacting
they shan't have been underreacting	

Forme interrogative 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
shall I underreact?
shall you underreact?
shall she underreact?
shall we underreact?
shall you underreact?
shall they underreact? 	shall I be underreacting?
shall you be underreacting?
shall she be underreacting?
shall we be underreacting?
shall you be underreacting?
shall they be underreacting? 	shall I have underreacted?
shall you have underreacted?
shall she have underreacted?
shall we have underreacted?
shall you have underreacted?
shall they have underreacted? 	shall I have been underreacting?
shall you have been underreacting?
shall she have been underreacting?
shall we have been underreacting?
shall you have been underreacting?
shall they have been underreacting? 	

Forme interro-négative 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
shan't I underreact?
shan't you underreact?
shan't she underreact?
shan't we underreact?
shan't you underreact?
shan't they underreact? 	shan't I be underreacting?
shan't you be underreacting?
shan't she be underreacting?
shan't we be underreacting?
shan't you be underreacting?
shan't they be underreacting? 	shan't I have underreacted?
shan't you have underreacted?
shan't she have underreacted?
shan't we have underreacted?
shan't you have underreacted?
shan't they have underreacted? 	shan't I have been underreacting?
shan't you have been underreacting?
shan't she have been underreacting?
shan't we have been underreacting?
shan't you have been underreacting?
shan't they have been underreacting?