I could gag you could gag he could gag we could gag you could gag they could gag
Forma com V-ing
I could be gagging you could be gagging he could be gagging we could be gagging you could be gagging they could be gagging
Perfeito
I could have gagged you could have gagged he could have gagged we could have gagged you could have gagged they could have gagged
Perfeito com V-ing
I could have been gagging you could have been gagging he could have been gagging we could have been gagging you could have been gagging they could have been gagging
Negação
Forma simple
I could not gag you could not gag he could not gag we could not gag you could not gag they could not gag
Forma com V-ing
I could not be gagging you could not be gagging he could not be gagging we could not be gagging you could not be gagging they could not be gagging
Perfeito
I could not have gagged you could not have gagged he could not have gagged we could not have gagged you could not have gagged they could not have gagged
Perfeito com V-ing
I could not have been gagging you could not have been gagging he could not have been gagging we could not have been gagging you could not have been gagging they could not have been gagging
Forma interrogativa
Forma simple
could I gag? could you gag? could he gag? could we gag? could you gag? could they gag?
Forma com V-ing
could I be gagging? could you be gagging? could he be gagging? could we be gagging? could you be gagging? could they be gagging?
Perfeito
could I have gagged? could you have gagged? could he have gagged? could we have gagged? could you have gagged? could they have gagged?
Perfeito com V-ing
could I have been gagging? could you have been gagging? could he have been gagging? could we have been gagging? could you have been gagging? could they have been gagging?
Forma interro-Negação
Forma simple
could I not gag? could you not gag? could he not gag? could we not gag? could you not gag? could they not gag?
Forma com V-ing
could I not be gagging? could you not be gagging? could he not be gagging? could we not be gagging? could you not be gagging? could they not be gagging?
Perfeito
could I not have gagged? could you not have gagged? could he not have gagged? could we not have gagged? could you not have gagged? could they not have gagged?
Perfeito com V-ing
could I not have been gagging? could you not have been gagging? could he not have been gagging? could we not have been gagging? could you not have been gagging? could they not have been gagging?