English verb conjugation
COULD STAVE

Irregular verb: stave - staved, stove - staved, stove

Affirmation

Simple form	V-ing form
I could stave you could stave he could stave we could stave you could stave they could stave	I could be staving you could be staving he could be staving we could be staving you could be staving they could be staving
Perfect	V-ing perfect
I could have staved, stove you could have staved, stove he could have staved, stove we could have staved, stove you could have staved, stove they could have staved, stove	I could have been staving you could have been staving he could have been staving we could have been staving you could have been staving they could have been staving

Negation

Simple form	V-ing form
I could not stave you could not stave he could not stave we could not stave you could not stave they could not stave	I could not be staving you could not be staving he could not be staving we could not be staving you could not be staving they could not be staving
Perfect	V-ing perfect
I could not have staved, stove you could not have staved, stove he could not have staved, stove we could not have staved, stove you could not have staved, stove they could not have staved, stove	I could not have been staving you could not have been staving he could not have been staving we could not have been staving you could not have been staving they could not have been staving

Interrogative form

Simple form	V-ing form
could I stave? could you stave? could he stave? could we stave? could you stave? could they stave?	could I be staving? could you be staving? could he be staving? could we be staving? could you be staving? could they be staving?
Perfect	V-ing perfect
could I have staved, stove? could you have staved, stove? could he have staved, stove? could we have staved, stove? could you have staved, stove? could they have staved, stove?	could I have been staving? could you have been staving? could he have been staving? could we have been staving? could you have been staving? could they have been staving?

Interro-negative form

Simple form	V-ing form
could I not stave? could you not stave? could he not stave? could we not stave? could you not stave? could they not stave?	could I not be staving? could you not be staving? could he not be staving? could we not be staving? could you not be staving? could they not be staving?
Perfect	V-ing perfect
could I not have staved, stove? could you not have staved, stove? could he not have staved, stove? could we not have staved, stove? could you not have staved, stove? could they not have staved, stove?	could I not have been staving? could you not have been staving? could he not have been staving? could we not have been staving? could you not have been staving? could they not have been staving?