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