should underuse
Regelmä&szlig;iges Verb: underuse - underused- underused

Bestätigung 	
Einfache Form 	Form mit V-ing 	Perfekt 	Perfekt mit V-ing 	
I'd underuse
you'd underuse
he'd underuse
we'd underuse
you'd underuse
they'd underuse 	I'd be underusing
you'd be underusing
he'd be underusing
we'd be underusing
you'd be underusing
they'd be underusing	I should've underused
you should've underused
he should've underused
we should've underused
you should've underused
they should've underused	I should've been underusing
you should've been underusing
he should've been underusing
we should've been underusing
you should've been underusing
they should've been underusing	

Negation 	
Einfache Form 	Form mit V-ing 	Perfekt 	Perfekt mit V-ing 	
I shouldn't underuse
you shouldn't underuse
he shouldn't underuse
we shouldn't underuse
you shouldn't underuse
they shouldn't underuse 	I shouldn't be underusing
you shouldn't be underusing
he shouldn't be underusing
we shouldn't be underusing
you shouldn't be underusing
they shouldn't be underusing	I shouldn't have underused
you shouldn't have underused
he shouldn't have underused
we shouldn't have underused
you shouldn't have underused
they shouldn't have underused	I shouldn't have been underusing
you shouldn't have been underusing
he shouldn't have been underusing
we shouldn't have been underusing
you shouldn't have been underusing
they shouldn't have been underusing	

Fragende Form 	
Einfache Form 	Form mit V-ing 	Perfekt 	Perfekt mit V-ing 	
should I underuse?
should you underuse?
should he underuse?
should we underuse?
should you underuse?
should they underuse? 	should I be underusing?
should you be underusing?
should he be underusing?
should we be underusing?
should you be underusing?
should they be underusing? 	should I have underused?
should you have underused?
should he have underused?
should we have underused?
should you have underused?
should they have underused? 	should I have been underusing?
should you have been underusing?
should he have been underusing?
should we have been underusing?
should you have been underusing?
should they have been underusing? 	

Fragende Negation Form 	
Einfache Form 	Form mit V-ing 	Perfekt 	Perfekt mit V-ing 	
shouldn't I underuse?
shouldn't you underuse?
shouldn't he underuse?
shouldn't we underuse?
shouldn't you underuse?
shouldn't they underuse? 	shouldn't I be underusing?
shouldn't you be underusing?
shouldn't he be underusing?
shouldn't we be underusing?
shouldn't you be underusing?
shouldn't they be underusing? 	shouldn't I have underused?
shouldn't you have underused?
shouldn't he have underused?
shouldn't we have underused?
shouldn't you have underused?
shouldn't they have underused? 	shouldn't I have been underusing?
shouldn't you have been underusing?
shouldn't he have been underusing?
shouldn't we have been underusing?
shouldn't you have been underusing?
shouldn't they have been underusing?