I could venture you could venture she could venture we could venture you could venture they could venture
Forma com V-ing
I could be venturing you could be venturing she could be venturing we could be venturing you could be venturing they could be venturing
Perfeito
I could have ventured you could have ventured she could have ventured we could have ventured you could have ventured they could have ventured
Perfeito com V-ing
I could have been venturing you could have been venturing she could have been venturing we could have been venturing you could have been venturing they could have been venturing
Negação
Forma simple
I could not venture you could not venture she could not venture we could not venture you could not venture they could not venture
Forma com V-ing
I could not be venturing you could not be venturing she could not be venturing we could not be venturing you could not be venturing they could not be venturing
Perfeito
I could not have ventured you could not have ventured she could not have ventured we could not have ventured you could not have ventured they could not have ventured
Perfeito com V-ing
I could not have been venturing you could not have been venturing she could not have been venturing we could not have been venturing you could not have been venturing they could not have been venturing
Forma interrogativa
Forma simple
could I venture? could you venture? could she venture? could we venture? could you venture? could they venture?
Forma com V-ing
could I be venturing? could you be venturing? could she be venturing? could we be venturing? could you be venturing? could they be venturing?
Perfeito
could I have ventured? could you have ventured? could she have ventured? could we have ventured? could you have ventured? could they have ventured?
Perfeito com V-ing
could I have been venturing? could you have been venturing? could she have been venturing? could we have been venturing? could you have been venturing? could they have been venturing?
Forma interro-Negação
Forma simple
could I not venture? could you not venture? could she not venture? could we not venture? could you not venture? could they not venture?
Forma com V-ing
could I not be venturing? could you not be venturing? could she not be venturing? could we not be venturing? could you not be venturing? could they not be venturing?
Perfeito
could I not have ventured? could you not have ventured? could she not have ventured? could we not have ventured? could you not have ventured? could they not have ventured?
Perfeito com V-ing
could I not have been venturing? could you not have been venturing? could she not have been venturing? could we not have been venturing? could you not have been venturing? could they not have been venturing?