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