English verb conjugation
COULD POLE-VAULT

Regular verb: pole-vault - pole-vaulted - pole-vaulted

Affirmation

Simple form	V-ing form
I could pole-vault you could pole-vault she could pole-vault we could pole-vault you could pole-vault they could pole-vault	I could be pole-vaulting you could be pole-vaulting she could be pole-vaulting we could be pole-vaulting you could be pole-vaulting they could be pole-vaulting
Perfect	V-ing perfect
I could have pole-vaulted you could have pole-vaulted she could have pole-vaulted we could have pole-vaulted you could have pole-vaulted they could have pole-vaulted	I could have been pole-vaulting you could have been pole-vaulting she could have been pole-vaulting we could have been pole-vaulting you could have been pole-vaulting they could have been pole-vaulting

Negation

Simple form	V-ing form
I couldn't pole-vault you couldn't pole-vault she couldn't pole-vault we couldn't pole-vault you couldn't pole-vault they couldn't pole-vault	I couldn't be pole-vaulting you couldn't be pole-vaulting she couldn't be pole-vaulting we couldn't be pole-vaulting you couldn't be pole-vaulting they couldn't be pole-vaulting
Perfect	V-ing perfect
I couldn't have pole-vaulted you couldn't have pole-vaulted she couldn't have pole-vaulted we couldn't have pole-vaulted you couldn't have pole-vaulted they couldn't have pole-vaulted	I couldn't have been pole-vaulting you couldn't have been pole-vaulting she couldn't have been pole-vaulting we couldn't have been pole-vaulting you couldn't have been pole-vaulting they couldn't have been pole-vaulting

Interrogative form

Simple form	V-ing form
could I pole-vault? could you pole-vault? could she pole-vault? could we pole-vault? could you pole-vault? could they pole-vault?	could I be pole-vaulting? could you be pole-vaulting? could she be pole-vaulting? could we be pole-vaulting? could you be pole-vaulting? could they be pole-vaulting?
Perfect	V-ing perfect
could I have pole-vaulted? could you have pole-vaulted? could she have pole-vaulted? could we have pole-vaulted? could you have pole-vaulted? could they have pole-vaulted?	could I have been pole-vaulting? could you have been pole-vaulting? could she have been pole-vaulting? could we have been pole-vaulting? could you have been pole-vaulting? could they have been pole-vaulting?

Interro-negative form

Simple form	V-ing form
couldn't I pole-vault? couldn't you pole-vault? couldn't she pole-vault? couldn't we pole-vault? couldn't you pole-vault? couldn't they pole-vault?	couldn't I be pole-vaulting? couldn't you be pole-vaulting? couldn't she be pole-vaulting? couldn't we be pole-vaulting? couldn't you be pole-vaulting? couldn't they be pole-vaulting?
Perfect	V-ing perfect
couldn't I have pole-vaulted? couldn't you have pole-vaulted? couldn't she have pole-vaulted? couldn't we have pole-vaulted? couldn't you have pole-vaulted? couldn't they have pole-vaulted?	couldn't I have been pole-vaulting? couldn't you have been pole-vaulting? couldn't she have been pole-vaulting? couldn't we have been pole-vaulting? couldn't you have been pole-vaulting? couldn't they have been pole-vaulting?