I could crust you could crust she could crust we could crust you could crust they could crust
Forma con V-ing
I could be crusting you could be crusting she could be crusting we could be crusting you could be crusting they could be crusting
Perfecto
I could have crusted you could have crusted she could have crusted we could have crusted you could have crusted they could have crusted
Perfecto con V-ing
I could have been crusting you could have been crusting she could have been crusting we could have been crusting you could have been crusting they could have been crusting
Negación
Forma simple
I could not crust you could not crust she could not crust we could not crust you could not crust they could not crust
Forma con V-ing
I could not be crusting you could not be crusting she could not be crusting we could not be crusting you could not be crusting they could not be crusting
Perfecto
I could not have crusted you could not have crusted she could not have crusted we could not have crusted you could not have crusted they could not have crusted
Perfecto con V-ing
I could not have been crusting you could not have been crusting she could not have been crusting we could not have been crusting you could not have been crusting they could not have been crusting
Forma interrogativa
Forma simple
could I crust? could you crust? could she crust? could we crust? could you crust? could they crust?
Forma con V-ing
could I be crusting? could you be crusting? could she be crusting? could we be crusting? could you be crusting? could they be crusting?
Perfecto
could I have crusted? could you have crusted? could she have crusted? could we have crusted? could you have crusted? could they have crusted?
Perfecto con V-ing
could I have been crusting? could you have been crusting? could she have been crusting? could we have been crusting? could you have been crusting? could they have been crusting?
Forma interro-negativa
Forma simple
could I not crust? could you not crust? could she not crust? could we not crust? could you not crust? could they not crust?
Forma con V-ing
could I not be crusting? could you not be crusting? could she not be crusting? could we not be crusting? could you not be crusting? could they not be crusting?
Perfecto
could I not have crusted? could you not have crusted? could she not have crusted? could we not have crusted? could you not have crusted? could they not have crusted?
Perfecto con V-ing
could I not have been crusting? could you not have been crusting? could she not have been crusting? could we not have been crusting? could you not have been crusting? could they not have been crusting?