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