should descale
Verbo regular: descale - descaled- descaled

Afirmação 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
I'd descale
you'd descale
he'd descale
we'd descale
you'd descale
they'd descale 	I'd be descaling
you'd be descaling
he'd be descaling
we'd be descaling
you'd be descaling
they'd be descaling	I should've descaled
you should've descaled
he should've descaled
we should've descaled
you should've descaled
they should've descaled	I should've been descaling
you should've been descaling
he should've been descaling
we should've been descaling
you should've been descaling
they should've been descaling	

Negação 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
I shouldn't descale
you shouldn't descale
he shouldn't descale
we shouldn't descale
you shouldn't descale
they shouldn't descale 	I shouldn't be descaling
you shouldn't be descaling
he shouldn't be descaling
we shouldn't be descaling
you shouldn't be descaling
they shouldn't be descaling	I shouldn't have descaled
you shouldn't have descaled
he shouldn't have descaled
we shouldn't have descaled
you shouldn't have descaled
they shouldn't have descaled	I shouldn't have been descaling
you shouldn't have been descaling
he shouldn't have been descaling
we shouldn't have been descaling
you shouldn't have been descaling
they shouldn't have been descaling	

Forma interrogativa 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
should I descale?
should you descale?
should he descale?
should we descale?
should you descale?
should they descale? 	should I be descaling?
should you be descaling?
should he be descaling?
should we be descaling?
should you be descaling?
should they be descaling? 	should I have descaled?
should you have descaled?
should he have descaled?
should we have descaled?
should you have descaled?
should they have descaled? 	should I have been descaling?
should you have been descaling?
should he have been descaling?
should we have been descaling?
should you have been descaling?
should they have been descaling? 	

Forma interro-Negação 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
shouldn't I descale?
shouldn't you descale?
shouldn't he descale?
shouldn't we descale?
shouldn't you descale?
shouldn't they descale? 	shouldn't I be descaling?
shouldn't you be descaling?
shouldn't he be descaling?
shouldn't we be descaling?
shouldn't you be descaling?
shouldn't they be descaling? 	shouldn't I have descaled?
shouldn't you have descaled?
shouldn't he have descaled?
shouldn't we have descaled?
shouldn't you have descaled?
shouldn't they have descaled? 	shouldn't I have been descaling?
shouldn't you have been descaling?
shouldn't he have been descaling?
shouldn't we have been descaling?
shouldn't you have been descaling?
shouldn't they have been descaling?