ought to krass
Verbo regular: krass - krassed- krassed

Afirmação 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
I ought to krass
you ought to krass
he ought to krass
we ought to krass
you ought to krass
they ought to krass 	I ought to be krassing
you ought to be krassing
he ought to be krassing
we ought to be krassing
you ought to be krassing
they ought to be krassing	I ought to have krassed
you ought to have krassed
he ought to have krassed
we ought to have krassed
you ought to have krassed
they ought to have krassed	I ought to have been krassing
you ought to have been krassing
he ought to have been krassing
we ought to have been krassing
you ought to have been krassing
they ought to have been krassing	

Negação 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
I ought not to krass
you ought not to krass
he ought not to krass
we ought not to krass
you ought not to krass
they ought not to krass 	I ought not to krassing
you ought not to krassing
he ought not to krassing
we ought not to krassing
you ought not to krassing
they ought not to krassing	I ought not to have krassed
you ought not to have krassed
he ought not to have krassed
we ought not to have krassed
you ought not to have krassed
they ought not to have krassed	I ought not to have been krassing
you ought not to have been krassing
he ought not to have been krassing
we ought not to have been krassing
you ought not to have been krassing
they ought not to have been krassing	

Forma interrogativa 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
ought to I krass?
ought to you krass?
ought to he krass?
ought to we krass?
ought to you krass?
ought to they krass? 	ought to I be krassing?
ought to you be krassing?
ought to he be krassing?
ought to we be krassing?
ought to you be krassing?
ought to they be krassing? 	ought to I have krassed?
ought to you have krassed?
ought to he have krassed?
ought to we have krassed?
ought to you have krassed?
ought to they have krassed? 	ought to I have been krassing?
ought to you have been krassing?
ought to he have been krassing?
ought to we have been krassing?
ought to you have been krassing?
ought to they have been krassing? 	

Forma interro-Negação 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
ought I not to krass?
ought you not to krass?
ought he not to krass?
ought we not to krass?
ought you not to krass?
ought they not to krass? 	ought I not to be krassing?
ought you not to be krassing?
ought he not to be krassing?
ought we not to be krassing?
ought you not to be krassing?
ought they not to be krassing? 	ought I not to have krassed?
ought you not to have krassed?
ought he not to have krassed?
ought we not to have krassed?
ought you not to have krassed?
ought they not to have krassed? 	ought I not to have been krassing?
ought you not to have been krassing?
ought he not to have been krassing?
ought we not to have been krassing?
ought you not to have been krassing?
ought they not to have been krassing?