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