should whiten
Verbo regolare: whiten - whitened- whitened

Affermazione 	
Forma semplice 	Forma con V-ing 	Perfetto 	Perfetto con V-ing 	
I'd whiten
you'd whiten
he'd whiten
we'd whiten
you'd whiten
they'd whiten 	I'd be whitening
you'd be whitening
he'd be whitening
we'd be whitening
you'd be whitening
they'd be whitening	I should've whitened
you should've whitened
he should've whitened
we should've whitened
you should've whitened
they should've whitened	I should've been whitening
you should've been whitening
he should've been whitening
we should've been whitening
you should've been whitening
they should've been whitening	

Negazione 	
Forma semplice 	Forma con V-ing 	Perfetto 	Perfetto con V-ing 	
I shouldn't whiten
you shouldn't whiten
he shouldn't whiten
we shouldn't whiten
you shouldn't whiten
they shouldn't whiten 	I shouldn't be whitening
you shouldn't be whitening
he shouldn't be whitening
we shouldn't be whitening
you shouldn't be whitening
they shouldn't be whitening	I shouldn't have whitened
you shouldn't have whitened
he shouldn't have whitened
we shouldn't have whitened
you shouldn't have whitened
they shouldn't have whitened	I shouldn't have been whitening
you shouldn't have been whitening
he shouldn't have been whitening
we shouldn't have been whitening
you shouldn't have been whitening
they shouldn't have been whitening	

Forma interrogativa 	
Forma semplice 	Forma con V-ing 	Perfetto 	Perfetto con V-ing 	
should I whiten?
should you whiten?
should he whiten?
should we whiten?
should you whiten?
should they whiten? 	should I be whitening?
should you be whitening?
should he be whitening?
should we be whitening?
should you be whitening?
should they be whitening? 	should I have whitened?
should you have whitened?
should he have whitened?
should we have whitened?
should you have whitened?
should they have whitened? 	should I have been whitening?
should you have been whitening?
should he have been whitening?
should we have been whitening?
should you have been whitening?
should they have been whitening? 	

Forma interro-negativa 	
Forma semplice 	Forma con V-ing 	Perfetto 	Perfetto con V-ing 	
shouldn't I whiten?
shouldn't you whiten?
shouldn't he whiten?
shouldn't we whiten?
shouldn't you whiten?
shouldn't they whiten? 	shouldn't I be whitening?
shouldn't you be whitening?
shouldn't he be whitening?
shouldn't we be whitening?
shouldn't you be whitening?
shouldn't they be whitening? 	shouldn't I have whitened?
shouldn't you have whitened?
shouldn't he have whitened?
shouldn't we have whitened?
shouldn't you have whitened?
shouldn't they have whitened? 	shouldn't I have been whitening?
shouldn't you have been whitening?
shouldn't he have been whitening?
shouldn't we have been whitening?
shouldn't you have been whitening?
shouldn't they have been whitening?