English verb conjugation
COULD HEAVE

Irregular verb: heave - heaved, hove - heaved, hove

Affirmation

Simple form	V-ing form
I could heave you could heave he could heave we could heave you could heave they could heave	I could be heaving you could be heaving he could be heaving we could be heaving you could be heaving they could be heaving
Perfect	V-ing perfect
I could have heaved, hove you could have heaved, hove he could have heaved, hove we could have heaved, hove you could have heaved, hove they could have heaved, hove	I could have been heaving you could have been heaving he could have been heaving we could have been heaving you could have been heaving they could have been heaving

Negation

Simple form	V-ing form
I could not heave you could not heave he could not heave we could not heave you could not heave they could not heave	I could not be heaving you could not be heaving he could not be heaving we could not be heaving you could not be heaving they could not be heaving
Perfect	V-ing perfect
I could not have heaved, hove you could not have heaved, hove he could not have heaved, hove we could not have heaved, hove you could not have heaved, hove they could not have heaved, hove	I could not have been heaving you could not have been heaving he could not have been heaving we could not have been heaving you could not have been heaving they could not have been heaving

Interrogative form

Simple form	V-ing form
could I heave? could you heave? could he heave? could we heave? could you heave? could they heave?	could I be heaving? could you be heaving? could he be heaving? could we be heaving? could you be heaving? could they be heaving?
Perfect	V-ing perfect
could I have heaved, hove? could you have heaved, hove? could he have heaved, hove? could we have heaved, hove? could you have heaved, hove? could they have heaved, hove?	could I have been heaving? could you have been heaving? could he have been heaving? could we have been heaving? could you have been heaving? could they have been heaving?

Interro-negative form

Simple form	V-ing form
could I not heave? could you not heave? could he not heave? could we not heave? could you not heave? could they not heave?	could I not be heaving? could you not be heaving? could he not be heaving? could we not be heaving? could you not be heaving? could they not be heaving?
Perfect	V-ing perfect
could I not have heaved, hove? could you not have heaved, hove? could he not have heaved, hove? could we not have heaved, hove? could you not have heaved, hove? could they not have heaved, hove?	could I not have been heaving? could you not have been heaving? could he not have been heaving? could we not have been heaving? could you not have been heaving? could they not have been heaving?