I could package you could package she could package we could package you could package they could package
Forma com V-ing
I could be packaging you could be packaging she could be packaging we could be packaging you could be packaging they could be packaging
Perfeito
I could have packaged you could have packaged she could have packaged we could have packaged you could have packaged they could have packaged
Perfeito com V-ing
I could have been packaging you could have been packaging she could have been packaging we could have been packaging you could have been packaging they could have been packaging
Negação
Forma simple
I couldn't package you couldn't package she couldn't package we couldn't package you couldn't package they couldn't package
Forma com V-ing
I couldn't be packaging you couldn't be packaging she couldn't be packaging we couldn't be packaging you couldn't be packaging they couldn't be packaging
Perfeito
I couldn't have packaged you couldn't have packaged she couldn't have packaged we couldn't have packaged you couldn't have packaged they couldn't have packaged
Perfeito com V-ing
I couldn't have been packaging you couldn't have been packaging she couldn't have been packaging we couldn't have been packaging you couldn't have been packaging they couldn't have been packaging
Forma interrogativa
Forma simple
could I package? could you package? could she package? could we package? could you package? could they package?
Forma com V-ing
could I be packaging? could you be packaging? could she be packaging? could we be packaging? could you be packaging? could they be packaging?
Perfeito
could I have packaged? could you have packaged? could she have packaged? could we have packaged? could you have packaged? could they have packaged?
Perfeito com V-ing
could I have been packaging? could you have been packaging? could she have been packaging? could we have been packaging? could you have been packaging? could they have been packaging?
Forma interro-Negação
Forma simple
couldn't I package? couldn't you package? couldn't she package? couldn't we package? couldn't you package? couldn't they package?
Forma com V-ing
couldn't I be packaging? couldn't you be packaging? couldn't she be packaging? couldn't we be packaging? couldn't you be packaging? couldn't they be packaging?
Perfeito
couldn't I have packaged? couldn't you have packaged? couldn't she have packaged? couldn't we have packaged? couldn't you have packaged? couldn't they have packaged?
Perfeito com V-ing
couldn't I have been packaging? couldn't you have been packaging? couldn't she have been packaging? couldn't we have been packaging? couldn't you have been packaging? couldn't they have been packaging?