I could revarnish you could revarnish he could revarnish we could revarnish you could revarnish they could revarnish
V-ing form
I could be revarnishing you could be revarnishing he could be revarnishing we could be revarnishing you could be revarnishing they could be revarnishing
Perfect
I could have revarnished you could have revarnished he could have revarnished we could have revarnished you could have revarnished they could have revarnished
V-ing perfect
I could have been revarnishing you could have been revarnishing he could have been revarnishing we could have been revarnishing you could have been revarnishing they could have been revarnishing
Negation
Simple form
I couldn't revarnish you couldn't revarnish he couldn't revarnish we couldn't revarnish you couldn't revarnish they couldn't revarnish
V-ing form
I couldn't be revarnishing you couldn't be revarnishing he couldn't be revarnishing we couldn't be revarnishing you couldn't be revarnishing they couldn't be revarnishing
Perfect
I couldn't have revarnished you couldn't have revarnished he couldn't have revarnished we couldn't have revarnished you couldn't have revarnished they couldn't have revarnished
V-ing perfect
I couldn't have been revarnishing you couldn't have been revarnishing he couldn't have been revarnishing we couldn't have been revarnishing you couldn't have been revarnishing they couldn't have been revarnishing
Interrogative form
Simple form
could I revarnish? could you revarnish? could he revarnish? could we revarnish? could you revarnish? could they revarnish?
V-ing form
could I be revarnishing? could you be revarnishing? could he be revarnishing? could we be revarnishing? could you be revarnishing? could they be revarnishing?
Perfect
could I have revarnished? could you have revarnished? could he have revarnished? could we have revarnished? could you have revarnished? could they have revarnished?
V-ing perfect
could I have been revarnishing? could you have been revarnishing? could he have been revarnishing? could we have been revarnishing? could you have been revarnishing? could they have been revarnishing?
Interro-negative form
Simple form
couldn't I revarnish? couldn't you revarnish? couldn't he revarnish? couldn't we revarnish? couldn't you revarnish? couldn't they revarnish?
V-ing form
couldn't I be revarnishing? couldn't you be revarnishing? couldn't he be revarnishing? couldn't we be revarnishing? couldn't you be revarnishing? couldn't they be revarnishing?
Perfect
couldn't I have revarnished? couldn't you have revarnished? couldn't he have revarnished? couldn't we have revarnished? couldn't you have revarnished? couldn't they have revarnished?
V-ing perfect
couldn't I have been revarnishing? couldn't you have been revarnishing? couldn't he have been revarnishing? couldn't we have been revarnishing? couldn't you have been revarnishing? couldn't they have been revarnishing?