could revamp
Regular verb: revamp - revamped- revamped

Affirmation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I could revamp
you could revamp
she could revamp
we could revamp
you could revamp
they could revamp 	I could be revamping
you could be revamping
she could be revamping
we could be revamping
you could be revamping
they could be revamping	I could have revamped
you could have revamped
she 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
she 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 	Perfect 	V-ing perfect 	
I could not revamp
you could not revamp
she could not revamp
we could not revamp
you could not revamp
they could not revamp 	I could not be revamping
you could not be revamping
she could not be revamping
we could not be revamping
you could not be revamping
they could not be revamping	I could not have revamped
you could not have revamped
she could not have revamped
we could not have revamped
you could not have revamped
they could not have revamped	I could not have been revamping
you could not have been revamping
she could not have been revamping
we could not have been revamping
you could not have been revamping
they could not have been revamping	

Interrogative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
could I revamp?
could you revamp?
could she revamp?
could we revamp?
could you revamp?
could they revamp? 	could I be revamping?
could you be revamping?
could she be revamping?
could we be revamping?
could you be revamping?
could they be revamping? 	could I have revamped?
could you have revamped?
could she 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 she 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 	Perfect 	V-ing perfect 	
could I not revamp?
could you not revamp?
could she not revamp?
could we not revamp?
could you not revamp?
could they not revamp? 	could I not be revamping?
could you not be revamping?
could she not be revamping?
could we not be revamping?
could you not be revamping?
could they not be revamping? 	could I not have revamped?
could you not have revamped?
could she not have revamped?
could we not have revamped?
could you not have revamped?
could they not have revamped? 	could I not have been revamping?
could you not have been revamping?
could she not have been revamping?
could we not have been revamping?
could you not have been revamping?
could they not have been revamping?