must underreact
Verbo regular: underreact - underreacted- underreacted

Afirmação 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
I must underreact
you must underreact
he must underreact
we must underreact
you must underreact
they must underreact 	I must be underreacting
you must be underreacting
he must be underreacting
we must be underreacting
you must be underreacting
they must be underreacting	I must have underreacted
you must have underreacted
he must have underreacted
we must have underreacted
you must have underreacted
they must have underreacted	I must have been underreacting
you must have been underreacting
he must have been underreacting
we must have been underreacting
you must have been underreacting
they must have been underreacting	

Negação 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
I must not underreact
you must not underreact
he must not underreact
we must not underreact
you must not underreact
they must not underreact 	I must not be underreacting
you must not be underreacting
he must not be underreacting
we must not be underreacting
you must not be underreacting
they must not be underreacting	I must not have underreacted
you must not have underreacted
he must not have underreacted
we must not have underreacted
you must not have underreacted
they must not have underreacted	I must not have been underreacting
you must not have been underreacting
he must not have been underreacting
we must not have been underreacting
you must not have been underreacting
they must not have been underreacting	

Forma interrogativa 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
must I underreact?
must you underreact?
must he underreact?
must we underreact?
must you underreact?
must they underreact? 	must I be underreacting?
must you be underreacting?
must he be underreacting?
must we be underreacting?
must you be underreacting?
must they be underreacting? 	must I have underreacted?
must you have underreacted?
must he have underreacted?
must we have underreacted?
must you have underreacted?
must they have underreacted? 	must I have been underreacting?
must you have been underreacting?
must he have been underreacting?
must we have been underreacting?
must you have been underreacting?
must they have been underreacting? 	

Forma interro-Negação 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
must I not underreact?
must you not underreact?
must he not underreact?
must we not underreact?
must you not underreact?
must they not underreact? 	must I not be underreacting?
must you not be underreacting?
must he not be underreacting?
must we not be underreacting?
must you not be underreacting?
must they not be underreacting? 	must I not have underreacted?
must you not have underreacted?
must he not have underreacted?
must we not have underreacted?
must you not have underreacted?
must they not have underreacted? 	must I not have been underreacting?
must you not have been underreacting?
must he not have been underreacting?
must we not have been underreacting?
must you not have been underreacting?
must they not have been underreacting?