I could localise you could localise he could localise we could localise you could localise they could localise
Forma con V-ing
I could be localising you could be localising he could be localising we could be localising you could be localising they could be localising
Perfecto
I could have localised you could have localised he could have localised we could have localised you could have localised they could have localised
Perfecto con V-ing
I could have been localising you could have been localising he could have been localising we could have been localising you could have been localising they could have been localising
Negación
Forma simple
I couldn't localise you couldn't localise he couldn't localise we couldn't localise you couldn't localise they couldn't localise
Forma con V-ing
I couldn't be localising you couldn't be localising he couldn't be localising we couldn't be localising you couldn't be localising they couldn't be localising
Perfecto
I couldn't have localised you couldn't have localised he couldn't have localised we couldn't have localised you couldn't have localised they couldn't have localised
Perfecto con V-ing
I couldn't have been localising you couldn't have been localising he couldn't have been localising we couldn't have been localising you couldn't have been localising they couldn't have been localising
Forma interrogativa
Forma simple
could I localise? could you localise? could he localise? could we localise? could you localise? could they localise?
Forma con V-ing
could I be localising? could you be localising? could he be localising? could we be localising? could you be localising? could they be localising?
Perfecto
could I have localised? could you have localised? could he have localised? could we have localised? could you have localised? could they have localised?
Perfecto con V-ing
could I have been localising? could you have been localising? could he have been localising? could we have been localising? could you have been localising? could they have been localising?
Forma interro-negativa
Forma simple
couldn't I localise? couldn't you localise? couldn't he localise? couldn't we localise? couldn't you localise? couldn't they localise?
Forma con V-ing
couldn't I be localising? couldn't you be localising? couldn't he be localising? couldn't we be localising? couldn't you be localising? couldn't they be localising?
Perfecto
couldn't I have localised? couldn't you have localised? couldn't he have localised? couldn't we have localised? couldn't you have localised? couldn't they have localised?
Perfecto con V-ing
couldn't I have been localising? couldn't you have been localising? couldn't he have been localising? couldn't we have been localising? couldn't you have been localising? couldn't they have been localising?