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