I could edit you could edit he could edit we could edit you could edit they could edit
Forma com V-ing
I could be editing you could be editing he could be editing we could be editing you could be editing they could be editing
Perfeito
I could have edited you could have edited he could have edited we could have edited you could have edited they could have edited
Perfeito com V-ing
I could have been editing you could have been editing he could have been editing we could have been editing you could have been editing they could have been editing
Negação
Forma simple
I couldn't edit you couldn't edit he couldn't edit we couldn't edit you couldn't edit they couldn't edit
Forma com V-ing
I couldn't be editing you couldn't be editing he couldn't be editing we couldn't be editing you couldn't be editing they couldn't be editing
Perfeito
I couldn't have edited you couldn't have edited he couldn't have edited we couldn't have edited you couldn't have edited they couldn't have edited
Perfeito com V-ing
I couldn't have been editing you couldn't have been editing he couldn't have been editing we couldn't have been editing you couldn't have been editing they couldn't have been editing
Forma interrogativa
Forma simple
could I edit? could you edit? could he edit? could we edit? could you edit? could they edit?
Forma com V-ing
could I be editing? could you be editing? could he be editing? could we be editing? could you be editing? could they be editing?
Perfeito
could I have edited? could you have edited? could he have edited? could we have edited? could you have edited? could they have edited?
Perfeito com V-ing
could I have been editing? could you have been editing? could he have been editing? could we have been editing? could you have been editing? could they have been editing?
Forma interro-Negação
Forma simple
couldn't I edit? couldn't you edit? couldn't he edit? couldn't we edit? couldn't you edit? couldn't they edit?
Forma com V-ing
couldn't I be editing? couldn't you be editing? couldn't he be editing? couldn't we be editing? couldn't you be editing? couldn't they be editing?
Perfeito
couldn't I have edited? couldn't you have edited? couldn't he have edited? couldn't we have edited? couldn't you have edited? couldn't they have edited?
Perfeito com V-ing
couldn't I have been editing? couldn't you have been editing? couldn't he have been editing? couldn't we have been editing? couldn't you have been editing? couldn't they have been editing?