I could congress you could congress she could congress we could congress you could congress they could congress
Forma con V-ing
I could be congressing you could be congressing she could be congressing we could be congressing you could be congressing they could be congressing
Perfecto
I could have congressed you could have congressed she could have congressed we could have congressed you could have congressed they could have congressed
Perfecto con V-ing
I could have been congressing you could have been congressing she could have been congressing we could have been congressing you could have been congressing they could have been congressing
Negación
Forma simple
I couldn't congress you couldn't congress she couldn't congress we couldn't congress you couldn't congress they couldn't congress
Forma con V-ing
I couldn't be congressing you couldn't be congressing she couldn't be congressing we couldn't be congressing you couldn't be congressing they couldn't be congressing
Perfecto
I couldn't have congressed you couldn't have congressed she couldn't have congressed we couldn't have congressed you couldn't have congressed they couldn't have congressed
Perfecto con V-ing
I couldn't have been congressing you couldn't have been congressing she couldn't have been congressing we couldn't have been congressing you couldn't have been congressing they couldn't have been congressing
Forma interrogativa
Forma simple
could I congress? could you congress? could she congress? could we congress? could you congress? could they congress?
Forma con V-ing
could I be congressing? could you be congressing? could she be congressing? could we be congressing? could you be congressing? could they be congressing?
Perfecto
could I have congressed? could you have congressed? could she have congressed? could we have congressed? could you have congressed? could they have congressed?
Perfecto con V-ing
could I have been congressing? could you have been congressing? could she have been congressing? could we have been congressing? could you have been congressing? could they have been congressing?
Forma interro-negativa
Forma simple
couldn't I congress? couldn't you congress? couldn't she congress? couldn't we congress? couldn't you congress? couldn't they congress?
Forma con V-ing
couldn't I be congressing? couldn't you be congressing? couldn't she be congressing? couldn't we be congressing? couldn't you be congressing? couldn't they be congressing?
Perfecto
couldn't I have congressed? couldn't you have congressed? couldn't she have congressed? couldn't we have congressed? couldn't you have congressed? couldn't they have congressed?
Perfecto con V-ing
couldn't I have been congressing? couldn't you have been congressing? couldn't she have been congressing? couldn't we have been congressing? couldn't you have been congressing? couldn't they have been congressing?