I could implant you could implant she could implant we could implant you could implant they could implant
Forma con V-ing
I could be implanting you could be implanting she could be implanting we could be implanting you could be implanting they could be implanting
Perfecto
I could have implanted you could have implanted she could have implanted we could have implanted you could have implanted they could have implanted
Perfecto con V-ing
I could have been implanting you could have been implanting she could have been implanting we could have been implanting you could have been implanting they could have been implanting
Negación
Forma simple
I could not implant you could not implant she could not implant we could not implant you could not implant they could not implant
Forma con V-ing
I could not be implanting you could not be implanting she could not be implanting we could not be implanting you could not be implanting they could not be implanting
Perfecto
I could not have implanted you could not have implanted she could not have implanted we could not have implanted you could not have implanted they could not have implanted
Perfecto con V-ing
I could not have been implanting you could not have been implanting she could not have been implanting we could not have been implanting you could not have been implanting they could not have been implanting
Forma interrogativa
Forma simple
could I implant? could you implant? could she implant? could we implant? could you implant? could they implant?
Forma con V-ing
could I be implanting? could you be implanting? could she be implanting? could we be implanting? could you be implanting? could they be implanting?
Perfecto
could I have implanted? could you have implanted? could she have implanted? could we have implanted? could you have implanted? could they have implanted?
Perfecto con V-ing
could I have been implanting? could you have been implanting? could she have been implanting? could we have been implanting? could you have been implanting? could they have been implanting?
Forma interro-negativa
Forma simple
could I not implant? could you not implant? could she not implant? could we not implant? could you not implant? could they not implant?
Forma con V-ing
could I not be implanting? could you not be implanting? could she not be implanting? could we not be implanting? could you not be implanting? could they not be implanting?
Perfecto
could I not have implanted? could you not have implanted? could she not have implanted? could we not have implanted? could you not have implanted? could they not have implanted?
Perfecto con V-ing
could I not have been implanting? could you not have been implanting? could she not have been implanting? could we not have been implanting? could you not have been implanting? could they not have been implanting?