I could mop you could mop he could mop we could mop you could mop they could mop
Forma con V-ing
I could be mopping you could be mopping he could be mopping we could be mopping you could be mopping they could be mopping
Perfecto
I could have mopped you could have mopped he could have mopped we could have mopped you could have mopped they could have mopped
Perfecto con V-ing
I could have been mopping you could have been mopping he could have been mopping we could have been mopping you could have been mopping they could have been mopping
Negación
Forma simple
I could not mop you could not mop he could not mop we could not mop you could not mop they could not mop
Forma con V-ing
I could not be mopping you could not be mopping he could not be mopping we could not be mopping you could not be mopping they could not be mopping
Perfecto
I could not have mopped you could not have mopped he could not have mopped we could not have mopped you could not have mopped they could not have mopped
Perfecto con V-ing
I could not have been mopping you could not have been mopping he could not have been mopping we could not have been mopping you could not have been mopping they could not have been mopping
Forma interrogativa
Forma simple
could I mop? could you mop? could he mop? could we mop? could you mop? could they mop?
Forma con V-ing
could I be mopping? could you be mopping? could he be mopping? could we be mopping? could you be mopping? could they be mopping?
Perfecto
could I have mopped? could you have mopped? could he have mopped? could we have mopped? could you have mopped? could they have mopped?
Perfecto con V-ing
could I have been mopping? could you have been mopping? could he have been mopping? could we have been mopping? could you have been mopping? could they have been mopping?
Forma interro-negativa
Forma simple
could I not mop? could you not mop? could he not mop? could we not mop? could you not mop? could they not mop?
Forma con V-ing
could I not be mopping? could you not be mopping? could he not be mopping? could we not be mopping? could you not be mopping? could they not be mopping?
Perfecto
could I not have mopped? could you not have mopped? could he not have mopped? could we not have mopped? could you not have mopped? could they not have mopped?
Perfecto con V-ing
could I not have been mopping? could you not have been mopping? could he not have been mopping? could we not have been mopping? could you not have been mopping? could they not have been mopping?