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