English verb conjugation
COULD CAVE

Regular verb: cave - caved - caved

Affirmation

Simple form	V-ing form
I could cave you could cave he could cave we could cave you could cave they could cave	I could be caving you could be caving he could be caving we could be caving you could be caving they could be caving
Perfect	V-ing perfect
I could have caved you could have caved he could have caved we could have caved you could have caved they could have caved	I could have been caving you could have been caving he could have been caving we could have been caving you could have been caving they could have been caving

Negation

Simple form	V-ing form
I could not cave you could not cave he could not cave we could not cave you could not cave they could not cave	I could not be caving you could not be caving he could not be caving we could not be caving you could not be caving they could not be caving
Perfect	V-ing perfect
I could not have caved you could not have caved he could not have caved we could not have caved you could not have caved they could not have caved	I could not have been caving you could not have been caving he could not have been caving we could not have been caving you could not have been caving they could not have been caving

Interrogative form

Simple form	V-ing form
could I cave? could you cave? could he cave? could we cave? could you cave? could they cave?	could I be caving? could you be caving? could he be caving? could we be caving? could you be caving? could they be caving?
Perfect	V-ing perfect
could I have caved? could you have caved? could he have caved? could we have caved? could you have caved? could they have caved?	could I have been caving? could you have been caving? could he have been caving? could we have been caving? could you have been caving? could they have been caving?

Interro-negative form

Simple form	V-ing form
could I not cave? could you not cave? could he not cave? could we not cave? could you not cave? could they not cave?	could I not be caving? could you not be caving? could he not be caving? could we not be caving? could you not be caving? could they not be caving?
Perfect	V-ing perfect
could I not have caved? could you not have caved? could he not have caved? could we not have caved? could you not have caved? could they not have caved?	could I not have been caving? could you not have been caving? could he not have been caving? could we not have been caving? could you not have been caving? could they not have been caving?