ought to grind
Verbo irregular: grind - ground- ground

Afirmação 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
I ought to grind
you ought to grind
she ought to grind
we ought to grind
you ought to grind
they ought to grind 	I ought to be grinding
you ought to be grinding
she ought to be grinding
we ought to be grinding
you ought to be grinding
they ought to be grinding	I ought to have ground
you ought to have ground
she ought to have ground
we ought to have ground
you ought to have ground
they ought to have ground	I ought to have been grinding
you ought to have been grinding
she ought to have been grinding
we ought to have been grinding
you ought to have been grinding
they ought to have been grinding	

Negação 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
I oughtn't to grind
you oughtn't to grind
she oughtn't to grind
we oughtn't to grind
you oughtn't to grind
they oughtn't to grind 	I oughtn't to be grinding
you oughtn't to be grinding
she oughtn't to be grinding
we oughtn't to be grinding
you oughtn't to be grinding
they oughtn't to be grinding	I oughtn't to have ground
you oughtn't to have ground
she oughtn't to have ground
we oughtn't to have ground
you oughtn't to have ground
they oughtn't to have ground	I oughtn't to have been grinding
you oughtn't to have been grinding
she oughtn't to have been grinding
we oughtn't to have been grinding
you oughtn't to have been grinding
they oughtn't to have been grinding	

Forma interrogativa 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
ought to I grind?
ought to you grind?
ought to she grind?
ought to we grind?
ought to you grind?
ought to they grind? 	ought to I be grinding?
ought to you be grinding?
ought to she be grinding?
ought to we be grinding?
ought to you be grinding?
ought to they be grinding? 	ought to I have ground?
ought to you have ground?
ought to she have ground?
ought to we have ground?
ought to you have ground?
ought to they have ground? 	ought to I have been grinding?
ought to you have been grinding?
ought to she have been grinding?
ought to we have been grinding?
ought to you have been grinding?
ought to they have been grinding? 	

Forma interro-Negação 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
oughtn't I to grind?
oughtn't you to grind?
oughtn't she to grind?
oughtn't we to grind?
oughtn't you to grind?
oughtn't they to grind? 	oughtn't I to be grinding?
oughtn't you to be grinding?
oughtn't she to be grinding?
oughtn't we to be grinding?
oughtn't you to be grinding?
oughtn't they to be grinding? 	oughtn't I to have ground?
oughtn't you to have ground?
oughtn't she to have ground?
oughtn't we to have ground?
oughtn't you to have ground?
oughtn't they to have ground? 	oughtn't I to have been grinding?
oughtn't you to have been grinding?
oughtn't she to have been grinding?
oughtn't we to have been grinding?
oughtn't you to have been grinding?
oughtn't they to have been grinding?