English verb conjugation
COULD VIDEOTAPE

Regular verb: videotape - videotaped - videotaped

Affirmation

Simple form	V-ing form
I could videotape you could videotape he could videotape we could videotape you could videotape they could videotape	I could be videotaping you could be videotaping he could be videotaping we could be videotaping you could be videotaping they could be videotaping
Perfect	V-ing perfect
I could have videotaped you could have videotaped he could have videotaped we could have videotaped you could have videotaped they could have videotaped	I could have been videotaping you could have been videotaping he could have been videotaping we could have been videotaping you could have been videotaping they could have been videotaping

Negation

Simple form	V-ing form
I couldn't videotape you couldn't videotape he couldn't videotape we couldn't videotape you couldn't videotape they couldn't videotape	I couldn't be videotaping you couldn't be videotaping he couldn't be videotaping we couldn't be videotaping you couldn't be videotaping they couldn't be videotaping
Perfect	V-ing perfect
I couldn't have videotaped you couldn't have videotaped he couldn't have videotaped we couldn't have videotaped you couldn't have videotaped they couldn't have videotaped	I couldn't have been videotaping you couldn't have been videotaping he couldn't have been videotaping we couldn't have been videotaping you couldn't have been videotaping they couldn't have been videotaping

Interrogative form

Simple form	V-ing form
could I videotape? could you videotape? could he videotape? could we videotape? could you videotape? could they videotape?	could I be videotaping? could you be videotaping? could he be videotaping? could we be videotaping? could you be videotaping? could they be videotaping?
Perfect	V-ing perfect
could I have videotaped? could you have videotaped? could he have videotaped? could we have videotaped? could you have videotaped? could they have videotaped?	could I have been videotaping? could you have been videotaping? could he have been videotaping? could we have been videotaping? could you have been videotaping? could they have been videotaping?

Interro-negative form

Simple form	V-ing form
couldn't I videotape? couldn't you videotape? couldn't he videotape? couldn't we videotape? couldn't you videotape? couldn't they videotape?	couldn't I be videotaping? couldn't you be videotaping? couldn't he be videotaping? couldn't we be videotaping? couldn't you be videotaping? couldn't they be videotaping?
Perfect	V-ing perfect
couldn't I have videotaped? couldn't you have videotaped? couldn't he have videotaped? couldn't we have videotaped? couldn't you have videotaped? couldn't they have videotaped?	couldn't I have been videotaping? couldn't you have been videotaping? couldn't he have been videotaping? couldn't we have been videotaping? couldn't you have been videotaping? couldn't they have been videotaping?