I could medicine you could medicine he could medicine we could medicine you could medicine they could medicine
Forma con V-ing
I could be medicining you could be medicining he could be medicining we could be medicining you could be medicining they could be medicining
Perfecto
I could have medicined you could have medicined he could have medicined we could have medicined you could have medicined they could have medicined
Perfecto con V-ing
I could have been medicining you could have been medicining he could have been medicining we could have been medicining you could have been medicining they could have been medicining
Negación
Forma simple
I could not medicine you could not medicine he could not medicine we could not medicine you could not medicine they could not medicine
Forma con V-ing
I could not be medicining you could not be medicining he could not be medicining we could not be medicining you could not be medicining they could not be medicining
Perfecto
I could not have medicined you could not have medicined he could not have medicined we could not have medicined you could not have medicined they could not have medicined
Perfecto con V-ing
I could not have been medicining you could not have been medicining he could not have been medicining we could not have been medicining you could not have been medicining they could not have been medicining
Forma interrogativa
Forma simple
could I medicine? could you medicine? could he medicine? could we medicine? could you medicine? could they medicine?
Forma con V-ing
could I be medicining? could you be medicining? could he be medicining? could we be medicining? could you be medicining? could they be medicining?
Perfecto
could I have medicined? could you have medicined? could he have medicined? could we have medicined? could you have medicined? could they have medicined?
Perfecto con V-ing
could I have been medicining? could you have been medicining? could he have been medicining? could we have been medicining? could you have been medicining? could they have been medicining?
Forma interro-negativa
Forma simple
could I not medicine? could you not medicine? could he not medicine? could we not medicine? could you not medicine? could they not medicine?
Forma con V-ing
could I not be medicining? could you not be medicining? could he not be medicining? could we not be medicining? could you not be medicining? could they not be medicining?
Perfecto
could I not have medicined? could you not have medicined? could he not have medicined? could we not have medicined? could you not have medicined? could they not have medicined?
Perfecto con V-ing
could I not have been medicining? could you not have been medicining? could he not have been medicining? could we not have been medicining? could you not have been medicining? could they not have been medicining?