I could dolly you could dolly he could dolly we could dolly you could dolly they could dolly
V-ing form
I could be dollying you could be dollying he could be dollying we could be dollying you could be dollying they could be dollying
Perfect
I could have dollied you could have dollied he could have dollied we could have dollied you could have dollied they could have dollied
V-ing perfect
I could have been dollying you could have been dollying he could have been dollying we could have been dollying you could have been dollying they could have been dollying
Negation
Simple form
I could not dolly you could not dolly he could not dolly we could not dolly you could not dolly they could not dolly
V-ing form
I could not be dollying you could not be dollying he could not be dollying we could not be dollying you could not be dollying they could not be dollying
Perfect
I could not have dollied you could not have dollied he could not have dollied we could not have dollied you could not have dollied they could not have dollied
V-ing perfect
I could not have been dollying you could not have been dollying he could not have been dollying we could not have been dollying you could not have been dollying they could not have been dollying
Interrogative form
Simple form
could I dolly? could you dolly? could he dolly? could we dolly? could you dolly? could they dolly?
V-ing form
could I be dollying? could you be dollying? could he be dollying? could we be dollying? could you be dollying? could they be dollying?
Perfect
could I have dollied? could you have dollied? could he have dollied? could we have dollied? could you have dollied? could they have dollied?
V-ing perfect
could I have been dollying? could you have been dollying? could he have been dollying? could we have been dollying? could you have been dollying? could they have been dollying?
Interro-negative form
Simple form
could I not dolly? could you not dolly? could he not dolly? could we not dolly? could you not dolly? could they not dolly?
V-ing form
could I not be dollying? could you not be dollying? could he not be dollying? could we not be dollying? could you not be dollying? could they not be dollying?
Perfect
could I not have dollied? could you not have dollied? could he not have dollied? could we not have dollied? could you not have dollied? could they not have dollied?
V-ing perfect
could I not have been dollying? could you not have been dollying? could he not have been dollying? could we not have been dollying? could you not have been dollying? could they not have been dollying?