I could smoke you could smoke she could smoke we could smoke you could smoke they could smoke
Forma com V-ing
I could be smoking you could be smoking she could be smoking we could be smoking you could be smoking they could be smoking
Perfeito
I could have smoked you could have smoked she could have smoked we could have smoked you could have smoked they could have smoked
Perfeito com V-ing
I could have been smoking you could have been smoking she could have been smoking we could have been smoking you could have been smoking they could have been smoking
Negação
Forma simple
I couldn't smoke you couldn't smoke she couldn't smoke we couldn't smoke you couldn't smoke they couldn't smoke
Forma com V-ing
I couldn't be smoking you couldn't be smoking she couldn't be smoking we couldn't be smoking you couldn't be smoking they couldn't be smoking
Perfeito
I couldn't have smoked you couldn't have smoked she couldn't have smoked we couldn't have smoked you couldn't have smoked they couldn't have smoked
Perfeito com V-ing
I couldn't have been smoking you couldn't have been smoking she couldn't have been smoking we couldn't have been smoking you couldn't have been smoking they couldn't have been smoking
Forma interrogativa
Forma simple
could I smoke? could you smoke? could she smoke? could we smoke? could you smoke? could they smoke?
Forma com V-ing
could I be smoking? could you be smoking? could she be smoking? could we be smoking? could you be smoking? could they be smoking?
Perfeito
could I have smoked? could you have smoked? could she have smoked? could we have smoked? could you have smoked? could they have smoked?
Perfeito com V-ing
could I have been smoking? could you have been smoking? could she have been smoking? could we have been smoking? could you have been smoking? could they have been smoking?
Forma interro-Negação
Forma simple
couldn't I smoke? couldn't you smoke? couldn't she smoke? couldn't we smoke? couldn't you smoke? couldn't they smoke?
Forma com V-ing
couldn't I be smoking? couldn't you be smoking? couldn't she be smoking? couldn't we be smoking? couldn't you be smoking? couldn't they be smoking?
Perfeito
couldn't I have smoked? couldn't you have smoked? couldn't she have smoked? couldn't we have smoked? couldn't you have smoked? couldn't they have smoked?
Perfeito com V-ing
couldn't I have been smoking? couldn't you have been smoking? couldn't she have been smoking? couldn't we have been smoking? couldn't you have been smoking? couldn't they have been smoking?