will underuse
Verbo regular: underuse - underused- underused

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

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

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

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