I could unify you could unify he could unify we could unify you could unify they could unify
Forma com V-ing
I could be unifying you could be unifying he could be unifying we could be unifying you could be unifying they could be unifying
Perfeito
I could have unified you could have unified he could have unified we could have unified you could have unified they could have unified
Perfeito com V-ing
I could have been unifying you could have been unifying he could have been unifying we could have been unifying you could have been unifying they could have been unifying
Negação
Forma simple
I couldn't unify you couldn't unify he couldn't unify we couldn't unify you couldn't unify they couldn't unify
Forma com V-ing
I couldn't be unifying you couldn't be unifying he couldn't be unifying we couldn't be unifying you couldn't be unifying they couldn't be unifying
Perfeito
I couldn't have unified you couldn't have unified he couldn't have unified we couldn't have unified you couldn't have unified they couldn't have unified
Perfeito com V-ing
I couldn't have been unifying you couldn't have been unifying he couldn't have been unifying we couldn't have been unifying you couldn't have been unifying they couldn't have been unifying
Forma interrogativa
Forma simple
could I unify? could you unify? could he unify? could we unify? could you unify? could they unify?
Forma com V-ing
could I be unifying? could you be unifying? could he be unifying? could we be unifying? could you be unifying? could they be unifying?
Perfeito
could I have unified? could you have unified? could he have unified? could we have unified? could you have unified? could they have unified?
Perfeito com V-ing
could I have been unifying? could you have been unifying? could he have been unifying? could we have been unifying? could you have been unifying? could they have been unifying?
Forma interro-Negação
Forma simple
couldn't I unify? couldn't you unify? couldn't he unify? couldn't we unify? couldn't you unify? couldn't they unify?
Forma com V-ing
couldn't I be unifying? couldn't you be unifying? couldn't he be unifying? couldn't we be unifying? couldn't you be unifying? couldn't they be unifying?
Perfeito
couldn't I have unified? couldn't you have unified? couldn't he have unified? couldn't we have unified? couldn't you have unified? couldn't they have unified?
Perfeito com V-ing
couldn't I have been unifying? couldn't you have been unifying? couldn't he have been unifying? couldn't we have been unifying? couldn't you have been unifying? couldn't they have been unifying?