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