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