can underuse
Verbe régulier : underuse - underused- underused
Traduction française : sous-utiliser 

Affirmation 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
I can underuse
you can underuse
he can underuse
we can underuse
you can underuse
they can underuse 	I can be underusing
you can be underusing
he can be underusing
we can be underusing
you can be underusing
they can be underusing	I can have underused
you can have underused
he can have underused
we can have underused
you can have underused
they can have underused	I can have been underusing
you can have been underusing
he can have been underusing
we can have been underusing
you can have been underusing
they can have been underusing	

Négation 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
I cannot underuse
you cannot underuse
he cannot underuse
we cannot underuse
you cannot underuse
they cannot underuse 	I cannot be underusing
you cannot be underusing
he cannot be underusing
we cannot be underusing
you cannot be underusing
they cannot be underusing	I cannot have underused
you cannot have underused
he cannot have underused
we cannot have underused
you cannot have underused
they cannot have underused	I cannot have been underusing
you cannot have been underusing
he cannot have been underusing
we cannot have been underusing
you cannot have been underusing
they cannot have been underusing	

Forme interrogative 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
can I underuse?
can you underuse?
can he underuse?
can we underuse?
can you underuse?
can they underuse? 	can I be underusing?
can you be underusing?
can he be underusing?
can we be underusing?
can you be underusing?
can they be underusing? 	can I have underused?
can you have underused?
can he have underused?
can we have underused?
can you have underused?
can they have underused? 	can I have been underusing?
can you have been underusing?
can he have been underusing?
can we have been underusing?
can you have been underusing?
can they have been underusing? 	

Forme interro-négative 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
can I not underuse?
can you not underuse?
can he not underuse?
can we not underuse?
can you not underuse?
can they not underuse? 	can I not be underusing?
can you not be underusing?
can he not be underusing?
can we not be underusing?
can you not be underusing?
can they not be underusing? 	can I not have underused?
can you not have underused?
can he not have underused?
can we not have underused?
can you not have underused?
can they not have underused? 	can I not have been underusing?
can you not have been underusing?
can he not have been underusing?
can we not have been underusing?
can you not have been underusing?
can they not have been underusing?