ought to buy
Verbo irregular: buy - bought- bought

Afirmação 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
I ought to buy
you ought to buy
she ought to buy
we ought to buy
you ought to buy
they ought to buy 	I ought to be buying
you ought to be buying
she ought to be buying
we ought to be buying
you ought to be buying
they ought to be buying	I ought to have bought
you ought to have bought
she ought to have bought
we ought to have bought
you ought to have bought
they ought to have bought	I ought to have been buying
you ought to have been buying
she ought to have been buying
we ought to have been buying
you ought to have been buying
they ought to have been buying	

Negação 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
I ought not to buy
you ought not to buy
she ought not to buy
we ought not to buy
you ought not to buy
they ought not to buy 	I ought not to buying
you ought not to buying
she ought not to buying
we ought not to buying
you ought not to buying
they ought not to buying	I ought not to have bought
you ought not to have bought
she ought not to have bought
we ought not to have bought
you ought not to have bought
they ought not to have bought	I ought not to have been buying
you ought not to have been buying
she ought not to have been buying
we ought not to have been buying
you ought not to have been buying
they ought not to have been buying	

Forma interrogativa 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
ought to I buy?
ought to you buy?
ought to she buy?
ought to we buy?
ought to you buy?
ought to they buy? 	ought to I be buying?
ought to you be buying?
ought to she be buying?
ought to we be buying?
ought to you be buying?
ought to they be buying? 	ought to I have bought?
ought to you have bought?
ought to she have bought?
ought to we have bought?
ought to you have bought?
ought to they have bought? 	ought to I have been buying?
ought to you have been buying?
ought to she have been buying?
ought to we have been buying?
ought to you have been buying?
ought to they have been buying? 	

Forma interro-Negação 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
ought I not to buy?
ought you not to buy?
ought she not to buy?
ought we not to buy?
ought you not to buy?
ought they not to buy? 	ought I not to be buying?
ought you not to be buying?
ought she not to be buying?
ought we not to be buying?
ought you not to be buying?
ought they not to be buying? 	ought I not to have bought?
ought you not to have bought?
ought she not to have bought?
ought we not to have bought?
ought you not to have bought?
ought they not to have bought? 	ought I not to have been buying?
ought you not to have been buying?
ought she not to have been buying?
ought we not to have been buying?
ought you not to have been buying?
ought they not to have been buying?