I could lot you could lot he could lot we could lot you could lot they could lot
V-ing form
I could be lotting you could be lotting he could be lotting we could be lotting you could be lotting they could be lotting
Perfect
I could have lotted you could have lotted he could have lotted we could have lotted you could have lotted they could have lotted
V-ing perfect
I could have been lotting you could have been lotting he could have been lotting we could have been lotting you could have been lotting they could have been lotting
Negation
Simple form
I could not lot you could not lot he could not lot we could not lot you could not lot they could not lot
V-ing form
I could not be lotting you could not be lotting he could not be lotting we could not be lotting you could not be lotting they could not be lotting
Perfect
I could not have lotted you could not have lotted he could not have lotted we could not have lotted you could not have lotted they could not have lotted
V-ing perfect
I could not have been lotting you could not have been lotting he could not have been lotting we could not have been lotting you could not have been lotting they could not have been lotting
Interrogative form
Simple form
could I lot? could you lot? could he lot? could we lot? could you lot? could they lot?
V-ing form
could I be lotting? could you be lotting? could he be lotting? could we be lotting? could you be lotting? could they be lotting?
Perfect
could I have lotted? could you have lotted? could he have lotted? could we have lotted? could you have lotted? could they have lotted?
V-ing perfect
could I have been lotting? could you have been lotting? could he have been lotting? could we have been lotting? could you have been lotting? could they have been lotting?
Interro-negative form
Simple form
could I not lot? could you not lot? could he not lot? could we not lot? could you not lot? could they not lot?
V-ing form
could I not be lotting? could you not be lotting? could he not be lotting? could we not be lotting? could you not be lotting? could they not be lotting?
Perfect
could I not have lotted? could you not have lotted? could he not have lotted? could we not have lotted? could you not have lotted? could they not have lotted?
V-ing perfect
could I not have been lotting? could you not have been lotting? could he not have been lotting? could we not have been lotting? could you not have been lotting? could they not have been lotting?