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