I could increase you could increase she could increase we could increase you could increase they could increase
Forma con V-ing
I could be increasing you could be increasing she could be increasing we could be increasing you could be increasing they could be increasing
Perfecto
I could have increased you could have increased she could have increased we could have increased you could have increased they could have increased
Perfecto con V-ing
I could have been increasing you could have been increasing she could have been increasing we could have been increasing you could have been increasing they could have been increasing
Negación
Forma simple
I could not increase you could not increase she could not increase we could not increase you could not increase they could not increase
Forma con V-ing
I could not be increasing you could not be increasing she could not be increasing we could not be increasing you could not be increasing they could not be increasing
Perfecto
I could not have increased you could not have increased she could not have increased we could not have increased you could not have increased they could not have increased
Perfecto con V-ing
I could not have been increasing you could not have been increasing she could not have been increasing we could not have been increasing you could not have been increasing they could not have been increasing
Forma interrogativa
Forma simple
could I increase? could you increase? could she increase? could we increase? could you increase? could they increase?
Forma con V-ing
could I be increasing? could you be increasing? could she be increasing? could we be increasing? could you be increasing? could they be increasing?
Perfecto
could I have increased? could you have increased? could she have increased? could we have increased? could you have increased? could they have increased?
Perfecto con V-ing
could I have been increasing? could you have been increasing? could she have been increasing? could we have been increasing? could you have been increasing? could they have been increasing?
Forma interro-negativa
Forma simple
could I not increase? could you not increase? could she not increase? could we not increase? could you not increase? could they not increase?
Forma con V-ing
could I not be increasing? could you not be increasing? could she not be increasing? could we not be increasing? could you not be increasing? could they not be increasing?
Perfecto
could I not have increased? could you not have increased? could she not have increased? could we not have increased? could you not have increased? could they not have increased?
Perfecto con V-ing
could I not have been increasing? could you not have been increasing? could she not have been increasing? could we not have been increasing? could you not have been increasing? could they not have been increasing?