I could caracole you could caracole she could caracole we could caracole you could caracole they could caracole
V-ing form
I could be caracoling you could be caracoling she could be caracoling we could be caracoling you could be caracoling they could be caracoling
Perfect
I could have caracoled you could have caracoled she could have caracoled we could have caracoled you could have caracoled they could have caracoled
V-ing perfect
I could have been caracoling you could have been caracoling she could have been caracoling we could have been caracoling you could have been caracoling they could have been caracoling
Negation
Simple form
I could not caracole you could not caracole she could not caracole we could not caracole you could not caracole they could not caracole
V-ing form
I could not be caracoling you could not be caracoling she could not be caracoling we could not be caracoling you could not be caracoling they could not be caracoling
Perfect
I could not have caracoled you could not have caracoled she could not have caracoled we could not have caracoled you could not have caracoled they could not have caracoled
V-ing perfect
I could not have been caracoling you could not have been caracoling she could not have been caracoling we could not have been caracoling you could not have been caracoling they could not have been caracoling
Interrogative form
Simple form
could I caracole? could you caracole? could she caracole? could we caracole? could you caracole? could they caracole?
V-ing form
could I be caracoling? could you be caracoling? could she be caracoling? could we be caracoling? could you be caracoling? could they be caracoling?
Perfect
could I have caracoled? could you have caracoled? could she have caracoled? could we have caracoled? could you have caracoled? could they have caracoled?
V-ing perfect
could I have been caracoling? could you have been caracoling? could she have been caracoling? could we have been caracoling? could you have been caracoling? could they have been caracoling?
Interro-negative form
Simple form
could I not caracole? could you not caracole? could she not caracole? could we not caracole? could you not caracole? could they not caracole?
V-ing form
could I not be caracoling? could you not be caracoling? could she not be caracoling? could we not be caracoling? could you not be caracoling? could they not be caracoling?
Perfect
could I not have caracoled? could you not have caracoled? could she not have caracoled? could we not have caracoled? could you not have caracoled? could they not have caracoled?
V-ing perfect
could I not have been caracoling? could you not have been caracoling? could she not have been caracoling? could we not have been caracoling? could you not have been caracoling? could they not have been caracoling?