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 couldn't stave you couldn't stave he couldn't stave we couldn't stave you couldn't stave they couldn't stave	I couldn't be staving you couldn't be staving he couldn't be staving we couldn't be staving you couldn't be staving they couldn't be staving
Perfect	V-ing perfect
I couldn't have staved, stove you couldn't have staved, stove he couldn't have staved, stove we couldn't have staved, stove you couldn't have staved, stove they couldn't have staved, stove	I couldn't have been staving you couldn't have been staving he couldn't have been staving we couldn't have been staving you couldn't have been staving they couldn't 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
couldn't I stave? couldn't you stave? couldn't he stave? couldn't we stave? couldn't you stave? couldn't they stave?	couldn't I be staving? couldn't you be staving? couldn't he be staving? couldn't we be staving? couldn't you be staving? couldn't they be staving?
Perfect	V-ing perfect
couldn't I have staved, stove? couldn't you have staved, stove? couldn't he have staved, stove? couldn't we have staved, stove? couldn't you have staved, stove? couldn't they have staved, stove?	couldn't I have been staving? couldn't you have been staving? couldn't he have been staving? couldn't we have been staving? couldn't you have been staving? couldn't they have been staving?