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

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

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

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

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