to underuse
Verbo regular: underuse - underused- underused

Indicativo 	
Presente 	Presente continuo 	Pretérito 	Pretérito continuo 	
I underuse
you underuse
he underuses
we underuse
you underuse
they underuse 	I'munderusing
you'reunderusing
he'sunderusing
we'reunderusing
you'reunderusing
they'reunderusing	I underused
you underused
he underused
we underused
you underused
they underused	Iwasunderusing
youwereunderusing
hewasunderusing
wewereunderusing
youwereunderusing
theywereunderusing	
Presente perfecto 	Presente perfecto continuo 	Pluscuamperfecto 	Pluscuamperfecto continuo 	
I've underused
you've underused
he's underused
we've underused
you've underused
they've underused	I'vebeen underusing
you'vebeen underusing
he'sbeen underusing
we'vebeen underusing
you'vebeen underusing
they'vebeen underusing	I'd underused
you'd underused
he'd underused
we'd underused
you'd underused
they'd underused	I'd been underusing
you'd been underusing
he'd been underusing
we'd been underusing
you'd been underusing
they'd been underusing	
Futuro simple 	Futuro continuo 	Futuro perfecto 	Futuro perfecto contínuo 	
I'll underuse
you'll underuse
he'll underuse
we'll underuse
you'll underuse
they'll underuse 	I'll be underusing
you'll be underusing
he'll be underusing
we'll be underusing
you'll be underusing
they'll be underusing	I'll have underused
you'll have underused
he'll have underused
we'll have underused
you'll have underused
they'll have underused	I'll have been underusing
you'll have been underusing
he'll have been underusing
we'll have been underusing
you'll have been underusing
they'll have been underusing	

Condicional 	
Presente 	Presente continuo 	Passado 	Passado continuo 	
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'd have underused
you'd have underused
he'd have underused
we'd have underused
you'd have underused
they'd have underused	I'd have been underusing
you'd have been underusing
he'd have been underusing
we'd have been underusing
you'd have been underusing
they'd have been underusing	

Infinitivo 	
Imperativo 	
Infinitivo 	 	Imperativo 	 	
to underuse 	 	underuse
Let's underuse
underuse 	 	

Participio 	
Presente 	Passado 	 	 	
underusing	underused