should buy
Verbo irregular: buy - bought- bought

Afirmação 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
I should buy
you should buy
he should buy
we should buy
you should buy
they should buy 	I should be buying
you should be buying
he should be buying
we should be buying
you should be buying
they should be buying	I should have bought
you should have bought
he should have bought
we should have bought
you should have bought
they should have bought	I should have been buying
you should have been buying
he should have been buying
we should have been buying
you should have been buying
they should have been buying	

Negação 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
I should not buy
you should not buy
he should not buy
we should not buy
you should not buy
they should not buy 	I should not be buying
you should not be buying
he should not be buying
we should not be buying
you should not be buying
they should not be buying	I should not have bought
you should not have bought
he should not have bought
we should not have bought
you should not have bought
they should not have bought	I should not have been buying
you should not have been buying
he should not have been buying
we should not have been buying
you should not have been buying
they should not have been buying	

Forma interrogativa 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
should I buy?
should you buy?
should he buy?
should we buy?
should you buy?
should they buy? 	should I be buying?
should you be buying?
should he be buying?
should we be buying?
should you be buying?
should they be buying? 	should I have bought?
should you have bought?
should he have bought?
should we have bought?
should you have bought?
should they have bought? 	should I have been buying?
should you have been buying?
should he have been buying?
should we have been buying?
should you have been buying?
should they have been buying? 	

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