could sell
Verbo irregular: sell - sold- sold

Afirmação 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
I could sell
you could sell
she could sell
we could sell
you could sell
they could sell 	I could be selling
you could be selling
she could be selling
we could be selling
you could be selling
they could be selling	I could have sold
you could have sold
she could have sold
we could have sold
you could have sold
they could have sold	I could have been selling
you could have been selling
she could have been selling
we could have been selling
you could have been selling
they could have been selling	

Negação 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
I could not sell
you could not sell
she could not sell
we could not sell
you could not sell
they could not sell 	I could not be selling
you could not be selling
she could not be selling
we could not be selling
you could not be selling
they could not be selling	I could not have sold
you could not have sold
she could not have sold
we could not have sold
you could not have sold
they could not have sold	I could not have been selling
you could not have been selling
she could not have been selling
we could not have been selling
you could not have been selling
they could not have been selling	

Forma interrogativa 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
could I sell?
could you sell?
could she sell?
could we sell?
could you sell?
could they sell? 	could I be selling?
could you be selling?
could she be selling?
could we be selling?
could you be selling?
could they be selling? 	could I have sold?
could you have sold?
could she have sold?
could we have sold?
could you have sold?
could they have sold? 	could I have been selling?
could you have been selling?
could she have been selling?
could we have been selling?
could you have been selling?
could they have been selling? 	

Forma interro-Negação 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
could I not sell?
could you not sell?
could she not sell?
could we not sell?
could you not sell?
could they not sell? 	could I not be selling?
could you not be selling?
could she not be selling?
could we not be selling?
could you not be selling?
could they not be selling? 	could I not have sold?
could you not have sold?
could she not have sold?
could we not have sold?
could you not have sold?
could they not have sold? 	could I not have been selling?
could you not have been selling?
could she not have been selling?
could we not have been selling?
could you not have been selling?
could they not have been selling?