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