ought to descale
Verbo regular: descale - descaled- descaled

Afirmação 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
I ought to descale
you ought to descale
she ought to descale
we ought to descale
you ought to descale
they ought to descale 	I ought to be descaling
you ought to be descaling
she ought to be descaling
we ought to be descaling
you ought to be descaling
they ought to be descaling	I ought to have descaled
you ought to have descaled
she ought to have descaled
we ought to have descaled
you ought to have descaled
they ought to have descaled	I ought to have been descaling
you ought to have been descaling
she ought to have been descaling
we ought to have been descaling
you ought to have been descaling
they ought to have been descaling	

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

Forma interrogativa 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
ought to I descale?
ought to you descale?
ought to she descale?
ought to we descale?
ought to you descale?
ought to they descale? 	ought to I be descaling?
ought to you be descaling?
ought to she be descaling?
ought to we be descaling?
ought to you be descaling?
ought to they be descaling? 	ought to I have descaled?
ought to you have descaled?
ought to she have descaled?
ought to we have descaled?
ought to you have descaled?
ought to they have descaled? 	ought to I have been descaling?
ought to you have been descaling?
ought to she have been descaling?
ought to we have been descaling?
ought to you have been descaling?
ought to they have been descaling? 	

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