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