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