I could liquefy you could liquefy she could liquefy we could liquefy you could liquefy they could liquefy
Forma con V-ing
I could be liquefying you could be liquefying she could be liquefying we could be liquefying you could be liquefying they could be liquefying
Perfecto
I could have liquefied you could have liquefied she could have liquefied we could have liquefied you could have liquefied they could have liquefied
Perfecto con V-ing
I could have been liquefying you could have been liquefying she could have been liquefying we could have been liquefying you could have been liquefying they could have been liquefying
Negación
Forma simple
I could not liquefy you could not liquefy she could not liquefy we could not liquefy you could not liquefy they could not liquefy
Forma con V-ing
I could not be liquefying you could not be liquefying she could not be liquefying we could not be liquefying you could not be liquefying they could not be liquefying
Perfecto
I could not have liquefied you could not have liquefied she could not have liquefied we could not have liquefied you could not have liquefied they could not have liquefied
Perfecto con V-ing
I could not have been liquefying you could not have been liquefying she could not have been liquefying we could not have been liquefying you could not have been liquefying they could not have been liquefying
Forma interrogativa
Forma simple
could I liquefy? could you liquefy? could she liquefy? could we liquefy? could you liquefy? could they liquefy?
Forma con V-ing
could I be liquefying? could you be liquefying? could she be liquefying? could we be liquefying? could you be liquefying? could they be liquefying?
Perfecto
could I have liquefied? could you have liquefied? could she have liquefied? could we have liquefied? could you have liquefied? could they have liquefied?
Perfecto con V-ing
could I have been liquefying? could you have been liquefying? could she have been liquefying? could we have been liquefying? could you have been liquefying? could they have been liquefying?
Forma interro-negativa
Forma simple
could I not liquefy? could you not liquefy? could she not liquefy? could we not liquefy? could you not liquefy? could they not liquefy?
Forma con V-ing
could I not be liquefying? could you not be liquefying? could she not be liquefying? could we not be liquefying? could you not be liquefying? could they not be liquefying?
Perfecto
could I not have liquefied? could you not have liquefied? could she not have liquefied? could we not have liquefied? could you not have liquefied? could they not have liquefied?
Perfecto con V-ing
could I not have been liquefying? could you not have been liquefying? could she not have been liquefying? could we not have been liquefying? could you not have been liquefying? could they not have been liquefying?