I could corrode you could corrode he could corrode we could corrode you could corrode they could corrode
Forma com V-ing
I could be corroding you could be corroding he could be corroding we could be corroding you could be corroding they could be corroding
Perfeito
I could have corroded you could have corroded he could have corroded we could have corroded you could have corroded they could have corroded
Perfeito com V-ing
I could have been corroding you could have been corroding he could have been corroding we could have been corroding you could have been corroding they could have been corroding
Negação
Forma simple
I couldn't corrode you couldn't corrode he couldn't corrode we couldn't corrode you couldn't corrode they couldn't corrode
Forma com V-ing
I couldn't be corroding you couldn't be corroding he couldn't be corroding we couldn't be corroding you couldn't be corroding they couldn't be corroding
Perfeito
I couldn't have corroded you couldn't have corroded he couldn't have corroded we couldn't have corroded you couldn't have corroded they couldn't have corroded
Perfeito com V-ing
I couldn't have been corroding you couldn't have been corroding he couldn't have been corroding we couldn't have been corroding you couldn't have been corroding they couldn't have been corroding
Forma interrogativa
Forma simple
could I corrode? could you corrode? could he corrode? could we corrode? could you corrode? could they corrode?
Forma com V-ing
could I be corroding? could you be corroding? could he be corroding? could we be corroding? could you be corroding? could they be corroding?
Perfeito
could I have corroded? could you have corroded? could he have corroded? could we have corroded? could you have corroded? could they have corroded?
Perfeito com V-ing
could I have been corroding? could you have been corroding? could he have been corroding? could we have been corroding? could you have been corroding? could they have been corroding?
Forma interro-Negação
Forma simple
couldn't I corrode? couldn't you corrode? couldn't he corrode? couldn't we corrode? couldn't you corrode? couldn't they corrode?
Forma com V-ing
couldn't I be corroding? couldn't you be corroding? couldn't he be corroding? couldn't we be corroding? couldn't you be corroding? couldn't they be corroding?
Perfeito
couldn't I have corroded? couldn't you have corroded? couldn't he have corroded? couldn't we have corroded? couldn't you have corroded? couldn't they have corroded?
Perfeito com V-ing
couldn't I have been corroding? couldn't you have been corroding? couldn't he have been corroding? couldn't we have been corroding? couldn't you have been corroding? couldn't they have been corroding?