English verb conjugation
COULD REVAMP

Regular verb: revamp - revamped - revamped

Affirmation

Simple form	V-ing form
I could revamp you could revamp he could revamp we could revamp you could revamp they could revamp	I could be revamping you could be revamping he could be revamping we could be revamping you could be revamping they could be revamping
Perfect	V-ing perfect
I could have revamped you could have revamped he could have revamped we could have revamped you could have revamped they could have revamped	I could have been revamping you could have been revamping he could have been revamping we could have been revamping you could have been revamping they could have been revamping

Negation

Simple form	V-ing form
I couldn't revamp you couldn't revamp he couldn't revamp we couldn't revamp you couldn't revamp they couldn't revamp	I couldn't be revamping you couldn't be revamping he couldn't be revamping we couldn't be revamping you couldn't be revamping they couldn't be revamping
Perfect	V-ing perfect
I couldn't have revamped you couldn't have revamped he couldn't have revamped we couldn't have revamped you couldn't have revamped they couldn't have revamped	I couldn't have been revamping you couldn't have been revamping he couldn't have been revamping we couldn't have been revamping you couldn't have been revamping they couldn't have been revamping

Interrogative form

Simple form	V-ing form
could I revamp? could you revamp? could he revamp? could we revamp? could you revamp? could they revamp?	could I be revamping? could you be revamping? could he be revamping? could we be revamping? could you be revamping? could they be revamping?
Perfect	V-ing perfect
could I have revamped? could you have revamped? could he have revamped? could we have revamped? could you have revamped? could they have revamped?	could I have been revamping? could you have been revamping? could he have been revamping? could we have been revamping? could you have been revamping? could they have been revamping?

Interro-negative form

Simple form	V-ing form
couldn't I revamp? couldn't you revamp? couldn't he revamp? couldn't we revamp? couldn't you revamp? couldn't they revamp?	couldn't I be revamping? couldn't you be revamping? couldn't he be revamping? couldn't we be revamping? couldn't you be revamping? couldn't they be revamping?
Perfect	V-ing perfect
couldn't I have revamped? couldn't you have revamped? couldn't he have revamped? couldn't we have revamped? couldn't you have revamped? couldn't they have revamped?	couldn't I have been revamping? couldn't you have been revamping? couldn't he have been revamping? couldn't we have been revamping? couldn't you have been revamping? couldn't they have been revamping?