ought to slave
Verbo regular: slave - slaved- slaved

Afirmación 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
I ought to slave
you ought to slave
he ought to slave
we ought to slave
you ought to slave
they ought to slave 	I ought to be slaving
you ought to be slaving
he ought to be slaving
we ought to be slaving
you ought to be slaving
they ought to be slaving	I ought to have slaved
you ought to have slaved
he ought to have slaved
we ought to have slaved
you ought to have slaved
they ought to have slaved	I ought to have been slaving
you ought to have been slaving
he ought to have been slaving
we ought to have been slaving
you ought to have been slaving
they ought to have been slaving	

Negación 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
I ought not to slave
you ought not to slave
he ought not to slave
we ought not to slave
you ought not to slave
they ought not to slave 	I ought not to slaving
you ought not to slaving
he ought not to slaving
we ought not to slaving
you ought not to slaving
they ought not to slaving	I ought not to have slaved
you ought not to have slaved
he ought not to have slaved
we ought not to have slaved
you ought not to have slaved
they ought not to have slaved	I ought not to have been slaving
you ought not to have been slaving
he ought not to have been slaving
we ought not to have been slaving
you ought not to have been slaving
they ought not to have been slaving	

Forma interrogativa 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
ought to I slave?
ought to you slave?
ought to he slave?
ought to we slave?
ought to you slave?
ought to they slave? 	ought to I be slaving?
ought to you be slaving?
ought to he be slaving?
ought to we be slaving?
ought to you be slaving?
ought to they be slaving? 	ought to I have slaved?
ought to you have slaved?
ought to he have slaved?
ought to we have slaved?
ought to you have slaved?
ought to they have slaved? 	ought to I have been slaving?
ought to you have been slaving?
ought to he have been slaving?
ought to we have been slaving?
ought to you have been slaving?
ought to they have been slaving? 	

Forma interro-negativa 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
ought I not to slave?
ought you not to slave?
ought he not to slave?
ought we not to slave?
ought you not to slave?
ought they not to slave? 	ought I not to be slaving?
ought you not to be slaving?
ought he not to be slaving?
ought we not to be slaving?
ought you not to be slaving?
ought they not to be slaving? 	ought I not to have slaved?
ought you not to have slaved?
ought he not to have slaved?
ought we not to have slaved?
ought you not to have slaved?
ought they not to have slaved? 	ought I not to have been slaving?
ought you not to have been slaving?
ought he not to have been slaving?
ought we not to have been slaving?
ought you not to have been slaving?
ought they not to have been slaving?