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
he 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
he 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
he 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
he 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 ought not to grind
you ought not to grind
he ought not to grind
we ought not to grind
you ought not to grind
they ought not to grind 	I ought not to grinding
you ought not to grinding
he ought not to grinding
we ought not to grinding
you ought not to grinding
they ought not to grinding	I ought not to have ground
you ought not to have ground
he ought not to have ground
we ought not to have ground
you ought not to have ground
they ought not to have ground	I ought not to have been grinding
you ought not to have been grinding
he ought not to have been grinding
we ought not to have been grinding
you ought not to have been grinding
they ought not 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 he 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 he 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 he 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 he 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 	
ought I not to grind?
ought you not to grind?
ought he not to grind?
ought we not to grind?
ought you not to grind?
ought they not to grind? 	ought I not to be grinding?
ought you not to be grinding?
ought he not to be grinding?
ought we not to be grinding?
ought you not to be grinding?
ought they not to be grinding? 	ought I not to have ground?
ought you not to have ground?
ought he not to have ground?
ought we not to have ground?
ought you not to have ground?
ought they not to have ground? 	ought I not to have been grinding?
ought you not to have been grinding?
ought he not to have been grinding?
ought we not to have been grinding?
ought you not to have been grinding?
ought they not to have been grinding?