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