might underuse
Verbo regular: underuse - underused- underused

Afirmação 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
I might underuse
you might underuse
he might underuse
we might underuse
you might underuse
they might underuse 	I might be underusing
you might be underusing
he might be underusing
we might be underusing
you might be underusing
they might be underusing	I might have underused
you might have underused
he might have underused
we might have underused
you might have underused
they might have underused	I might have been underusing
you might have been underusing
he might have been underusing
we might have been underusing
you might have been underusing
they might have been underusing	

Negação 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
I might not underuse
you might not underuse
he might not underuse
we might not underuse
you might not underuse
they might not underuse 	I might not be underusing
you might not be underusing
he might not be underusing
we might not be underusing
you might not be underusing
they might not be underusing	I might not have underused
you might not have underused
he might not have underused
we might not have underused
you might not have underused
they might not have underused	I might not have been underusing
you might not have been underusing
he might not have been underusing
we might not have been underusing
you might not have been underusing
they might not have been underusing	

Forma interrogativa 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
might I underuse?
might you underuse?
might he underuse?
might we underuse?
might you underuse?
might they underuse? 	might I be underusing?
might you be underusing?
might he be underusing?
might we be underusing?
might you be underusing?
might they be underusing? 	might I have underused?
might you have underused?
might he have underused?
might we have underused?
might you have underused?
might they have underused? 	might I have been underusing?
might you have been underusing?
might he have been underusing?
might we have been underusing?
might you have been underusing?
might they have been underusing? 	

Forma interro-Negação 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
might I not underuse?
might you not underuse?
might he not underuse?
might we not underuse?
might you not underuse?
might they not underuse? 	might I not be underusing?
might you not be underusing?
might he not be underusing?
might we not be underusing?
might you not be underusing?
might they not be underusing? 	might I not have underused?
might you not have underused?
might he not have underused?
might we not have underused?
might you not have underused?
might they not have underused? 	might I not have been underusing?
might you not have been underusing?
might he not have been underusing?
might we not have been underusing?
might you not have been underusing?
might they not have been underusing?