to stiffen
Verbo regolare: stiffen - stiffened- stiffened

Indicativo 	
Presente 	Presente continuo 	Preterito 	Preterite continua 	
I stiffen
you stiffen
he stiffens
we stiffen
you stiffen
they stiffen 	I'mstiffening
you'restiffening
he'sstiffening
we'restiffening
you'restiffening
they'restiffening	I stiffened
you stiffened
he stiffened
we stiffened
you stiffened
they stiffened	Iwasstiffening
youwerestiffening
hewasstiffening
wewerestiffening
youwerestiffening
theywerestiffening	
Presente perfetto 	Presente perfetto continuo 	Piuccheperfetto 	Piuccheperfetto continuo 	
I've stiffened
you've stiffened
he's stiffened
we've stiffened
you've stiffened
they've stiffened	I'vebeen stiffening
you'vebeen stiffening
he'sbeen stiffening
we'vebeen stiffening
you'vebeen stiffening
they'vebeen stiffening	I'd stiffened
you'd stiffened
he'd stiffened
we'd stiffened
you'd stiffened
they'd stiffened	I'd been stiffening
you'd been stiffening
he'd been stiffening
we'd been stiffening
you'd been stiffening
they'd been stiffening	
Futuro semplice 	Futuro continuo 	Futuro anteriore 	Futuro anteriore contínuo 	
I'll stiffen
you'll stiffen
he'll stiffen
we'll stiffen
you'll stiffen
they'll stiffen 	I'll be stiffening
you'll be stiffening
he'll be stiffening
we'll be stiffening
you'll be stiffening
they'll be stiffening	I'll have stiffened
you'll have stiffened
he'll have stiffened
we'll have stiffened
you'll have stiffened
they'll have stiffened	I'll have been stiffening
you'll have been stiffening
he'll have been stiffening
we'll have been stiffening
you'll have been stiffening
they'll have been stiffening	

Condizionale 	
Presente 	Presente continuo 	Passato 	Passato continuo 	
I'd stiffen
you'd stiffen
he'd stiffen
we'd stiffen
you'd stiffen
they'd stiffen 	I'd be stiffening
you'd be stiffening
he'd be stiffening
we'd be stiffening
you'd be stiffening
they'd be stiffening	I'd have stiffened
you'd have stiffened
he'd have stiffened
we'd have stiffened
you'd have stiffened
they'd have stiffened	I'd have been stiffening
you'd have been stiffening
he'd have been stiffening
we'd have been stiffening
you'd have been stiffening
they'd have been stiffening	

Infinito 	
Imperativo 	
Infinito 	 	Imperativo 	 	
to stiffen 	 	stiffen
Let's stiffen
stiffen 	 	

Participio 	
Presente 	Passato 	 	 	
stiffening	stiffened