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