I could curd you could curd he could curd we could curd you could curd they could curd
Forma con V-ing
I could be curding you could be curding he could be curding we could be curding you could be curding they could be curding
Perfecto
I could have curded you could have curded he could have curded we could have curded you could have curded they could have curded
Perfecto con V-ing
I could have been curding you could have been curding he could have been curding we could have been curding you could have been curding they could have been curding
Negación
Forma simple
I couldn't curd you couldn't curd he couldn't curd we couldn't curd you couldn't curd they couldn't curd
Forma con V-ing
I couldn't be curding you couldn't be curding he couldn't be curding we couldn't be curding you couldn't be curding they couldn't be curding
Perfecto
I couldn't have curded you couldn't have curded he couldn't have curded we couldn't have curded you couldn't have curded they couldn't have curded
Perfecto con V-ing
I couldn't have been curding you couldn't have been curding he couldn't have been curding we couldn't have been curding you couldn't have been curding they couldn't have been curding
Forma interrogativa
Forma simple
could I curd? could you curd? could he curd? could we curd? could you curd? could they curd?
Forma con V-ing
could I be curding? could you be curding? could he be curding? could we be curding? could you be curding? could they be curding?
Perfecto
could I have curded? could you have curded? could he have curded? could we have curded? could you have curded? could they have curded?
Perfecto con V-ing
could I have been curding? could you have been curding? could he have been curding? could we have been curding? could you have been curding? could they have been curding?
Forma interro-negativa
Forma simple
couldn't I curd? couldn't you curd? couldn't he curd? couldn't we curd? couldn't you curd? couldn't they curd?
Forma con V-ing
couldn't I be curding? couldn't you be curding? couldn't he be curding? couldn't we be curding? couldn't you be curding? couldn't they be curding?
Perfecto
couldn't I have curded? couldn't you have curded? couldn't he have curded? couldn't we have curded? couldn't you have curded? couldn't they have curded?
Perfecto con V-ing
couldn't I have been curding? couldn't you have been curding? couldn't he have been curding? couldn't we have been curding? couldn't you have been curding? couldn't they have been curding?