ought to prepurchase
Verbo regular: prepurchase - prepurchased- prepurchased

Afirmação 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
I ought to prepurchase
you ought to prepurchase
he ought to prepurchase
we ought to prepurchase
you ought to prepurchase
they ought to prepurchase 	I ought to be prepurchasing
you ought to be prepurchasing
he ought to be prepurchasing
we ought to be prepurchasing
you ought to be prepurchasing
they ought to be prepurchasing	I ought to have prepurchased
you ought to have prepurchased
he ought to have prepurchased
we ought to have prepurchased
you ought to have prepurchased
they ought to have prepurchased	I ought to have been prepurchasing
you ought to have been prepurchasing
he ought to have been prepurchasing
we ought to have been prepurchasing
you ought to have been prepurchasing
they ought to have been prepurchasing	

Negação 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
I ought not to prepurchase
you ought not to prepurchase
he ought not to prepurchase
we ought not to prepurchase
you ought not to prepurchase
they ought not to prepurchase 	I ought not to prepurchasing
you ought not to prepurchasing
he ought not to prepurchasing
we ought not to prepurchasing
you ought not to prepurchasing
they ought not to prepurchasing	I ought not to have prepurchased
you ought not to have prepurchased
he ought not to have prepurchased
we ought not to have prepurchased
you ought not to have prepurchased
they ought not to have prepurchased	I ought not to have been prepurchasing
you ought not to have been prepurchasing
he ought not to have been prepurchasing
we ought not to have been prepurchasing
you ought not to have been prepurchasing
they ought not to have been prepurchasing	

Forma interrogativa 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
ought to I prepurchase?
ought to you prepurchase?
ought to he prepurchase?
ought to we prepurchase?
ought to you prepurchase?
ought to they prepurchase? 	ought to I be prepurchasing?
ought to you be prepurchasing?
ought to he be prepurchasing?
ought to we be prepurchasing?
ought to you be prepurchasing?
ought to they be prepurchasing? 	ought to I have prepurchased?
ought to you have prepurchased?
ought to he have prepurchased?
ought to we have prepurchased?
ought to you have prepurchased?
ought to they have prepurchased? 	ought to I have been prepurchasing?
ought to you have been prepurchasing?
ought to he have been prepurchasing?
ought to we have been prepurchasing?
ought to you have been prepurchasing?
ought to they have been prepurchasing? 	

Forma interro-Negação 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
ought I not to prepurchase?
ought you not to prepurchase?
ought he not to prepurchase?
ought we not to prepurchase?
ought you not to prepurchase?
ought they not to prepurchase? 	ought I not to be prepurchasing?
ought you not to be prepurchasing?
ought he not to be prepurchasing?
ought we not to be prepurchasing?
ought you not to be prepurchasing?
ought they not to be prepurchasing? 	ought I not to have prepurchased?
ought you not to have prepurchased?
ought he not to have prepurchased?
ought we not to have prepurchased?
ought you not to have prepurchased?
ought they not to have prepurchased? 	ought I not to have been prepurchasing?
ought you not to have been prepurchasing?
ought he not to have been prepurchasing?
ought we not to have been prepurchasing?
ought you not to have been prepurchasing?
ought they not to have been prepurchasing?