I could gladden you could gladden he could gladden we could gladden you could gladden they could gladden
Forma con V-ing
I could be gladdening you could be gladdening he could be gladdening we could be gladdening you could be gladdening they could be gladdening
Perfecto
I could have gladdened you could have gladdened he could have gladdened we could have gladdened you could have gladdened they could have gladdened
Perfecto con V-ing
I could have been gladdening you could have been gladdening he could have been gladdening we could have been gladdening you could have been gladdening they could have been gladdening
Negación
Forma simple
I could not gladden you could not gladden he could not gladden we could not gladden you could not gladden they could not gladden
Forma con V-ing
I could not be gladdening you could not be gladdening he could not be gladdening we could not be gladdening you could not be gladdening they could not be gladdening
Perfecto
I could not have gladdened you could not have gladdened he could not have gladdened we could not have gladdened you could not have gladdened they could not have gladdened
Perfecto con V-ing
I could not have been gladdening you could not have been gladdening he could not have been gladdening we could not have been gladdening you could not have been gladdening they could not have been gladdening
Forma interrogativa
Forma simple
could I gladden? could you gladden? could he gladden? could we gladden? could you gladden? could they gladden?
Forma con V-ing
could I be gladdening? could you be gladdening? could he be gladdening? could we be gladdening? could you be gladdening? could they be gladdening?
Perfecto
could I have gladdened? could you have gladdened? could he have gladdened? could we have gladdened? could you have gladdened? could they have gladdened?
Perfecto con V-ing
could I have been gladdening? could you have been gladdening? could he have been gladdening? could we have been gladdening? could you have been gladdening? could they have been gladdening?
Forma interro-negativa
Forma simple
could I not gladden? could you not gladden? could he not gladden? could we not gladden? could you not gladden? could they not gladden?
Forma con V-ing
could I not be gladdening? could you not be gladdening? could he not be gladdening? could we not be gladdening? could you not be gladdening? could they not be gladdening?
Perfecto
could I not have gladdened? could you not have gladdened? could he not have gladdened? could we not have gladdened? could you not have gladdened? could they not have gladdened?
Perfecto con V-ing
could I not have been gladdening? could you not have been gladdening? could he not have been gladdening? could we not have been gladdening? could you not have been gladdening? could they not have been gladdening?