I could poison you could poison she could poison we could poison you could poison they could poison
Forma com V-ing
I could be poisoning you could be poisoning she could be poisoning we could be poisoning you could be poisoning they could be poisoning
Perfeito
I could have poisoned you could have poisoned she could have poisoned we could have poisoned you could have poisoned they could have poisoned
Perfeito com V-ing
I could have been poisoning you could have been poisoning she could have been poisoning we could have been poisoning you could have been poisoning they could have been poisoning
Negação
Forma simple
I couldn't poison you couldn't poison she couldn't poison we couldn't poison you couldn't poison they couldn't poison
Forma com V-ing
I couldn't be poisoning you couldn't be poisoning she couldn't be poisoning we couldn't be poisoning you couldn't be poisoning they couldn't be poisoning
Perfeito
I couldn't have poisoned you couldn't have poisoned she couldn't have poisoned we couldn't have poisoned you couldn't have poisoned they couldn't have poisoned
Perfeito com V-ing
I couldn't have been poisoning you couldn't have been poisoning she couldn't have been poisoning we couldn't have been poisoning you couldn't have been poisoning they couldn't have been poisoning
Forma interrogativa
Forma simple
could I poison? could you poison? could she poison? could we poison? could you poison? could they poison?
Forma com V-ing
could I be poisoning? could you be poisoning? could she be poisoning? could we be poisoning? could you be poisoning? could they be poisoning?
Perfeito
could I have poisoned? could you have poisoned? could she have poisoned? could we have poisoned? could you have poisoned? could they have poisoned?
Perfeito com V-ing
could I have been poisoning? could you have been poisoning? could she have been poisoning? could we have been poisoning? could you have been poisoning? could they have been poisoning?
Forma interro-Negação
Forma simple
couldn't I poison? couldn't you poison? couldn't she poison? couldn't we poison? couldn't you poison? couldn't they poison?
Forma com V-ing
couldn't I be poisoning? couldn't you be poisoning? couldn't she be poisoning? couldn't we be poisoning? couldn't you be poisoning? couldn't they be poisoning?
Perfeito
couldn't I have poisoned? couldn't you have poisoned? couldn't she have poisoned? couldn't we have poisoned? couldn't you have poisoned? couldn't they have poisoned?
Perfeito com V-ing
couldn't I have been poisoning? couldn't you have been poisoning? couldn't she have been poisoning? couldn't we have been poisoning? couldn't you have been poisoning? couldn't they have been poisoning?