I could tog you could tog he could tog we could tog you could tog they could tog
Forma con V-ing
I could be togging you could be togging he could be togging we could be togging you could be togging they could be togging
Perfecto
I could have togged you could have togged he could have togged we could have togged you could have togged they could have togged
Perfecto con V-ing
I could have been togging you could have been togging he could have been togging we could have been togging you could have been togging they could have been togging
Negación
Forma simple
I could not tog you could not tog he could not tog we could not tog you could not tog they could not tog
Forma con V-ing
I could not be togging you could not be togging he could not be togging we could not be togging you could not be togging they could not be togging
Perfecto
I could not have togged you could not have togged he could not have togged we could not have togged you could not have togged they could not have togged
Perfecto con V-ing
I could not have been togging you could not have been togging he could not have been togging we could not have been togging you could not have been togging they could not have been togging
Forma interrogativa
Forma simple
could I tog? could you tog? could he tog? could we tog? could you tog? could they tog?
Forma con V-ing
could I be togging? could you be togging? could he be togging? could we be togging? could you be togging? could they be togging?
Perfecto
could I have togged? could you have togged? could he have togged? could we have togged? could you have togged? could they have togged?
Perfecto con V-ing
could I have been togging? could you have been togging? could he have been togging? could we have been togging? could you have been togging? could they have been togging?
Forma interro-negativa
Forma simple
could I not tog? could you not tog? could he not tog? could we not tog? could you not tog? could they not tog?
Forma con V-ing
could I not be togging? could you not be togging? could he not be togging? could we not be togging? could you not be togging? could they not be togging?
Perfecto
could I not have togged? could you not have togged? could he not have togged? could we not have togged? could you not have togged? could they not have togged?
Perfecto con V-ing
could I not have been togging? could you not have been togging? could he not have been togging? could we not have been togging? could you not have been togging? could they not have been togging?