Warning, this verb may not exist. Conjugation is given as example.
Affirmation
Simple form
I should furnish furnish you should furnish furnish she should furnish furnish we should furnish furnish you should furnish furnish they should furnish furnish
V-ing form
I should be furnish furnishing you should be furnish furnishing she should be furnish furnishing we should be furnish furnishing you should be furnish furnishing they should be furnish furnishing
Perfect
I should have furnish furnished you should have furnish furnished she should have furnish furnished we should have furnish furnished you should have furnish furnished they should have furnish furnished
V-ing perfect
I should have been furnish furnishing you should have been furnish furnishing she should have been furnish furnishing we should have been furnish furnishing you should have been furnish furnishing they should have been furnish furnishing
Negation
Simple form
I should not furnish furnish you should not furnish furnish she should not furnish furnish we should not furnish furnish you should not furnish furnish they should not furnish furnish
V-ing form
I should not be furnish furnishing you should not be furnish furnishing she should not be furnish furnishing we should not be furnish furnishing you should not be furnish furnishing they should not be furnish furnishing
Perfect
I should not have furnish furnished you should not have furnish furnished she should not have furnish furnished we should not have furnish furnished you should not have furnish furnished they should not have furnish furnished
V-ing perfect
I should not have been furnish furnishing you should not have been furnish furnishing she should not have been furnish furnishing we should not have been furnish furnishing you should not have been furnish furnishing they should not have been furnish furnishing
Interrogative form
Simple form
should I furnish furnish? should you furnish furnish? should she furnish furnish? should we furnish furnish? should you furnish furnish? should they furnish furnish?
V-ing form
should I be furnish furnishing? should you be furnish furnishing? should she be furnish furnishing? should we be furnish furnishing? should you be furnish furnishing? should they be furnish furnishing?
Perfect
should I have furnish furnished? should you have furnish furnished? should she have furnish furnished? should we have furnish furnished? should you have furnish furnished? should they have furnish furnished?
V-ing perfect
should I have been furnish furnishing? should you have been furnish furnishing? should she have been furnish furnishing? should we have been furnish furnishing? should you have been furnish furnishing? should they have been furnish furnishing?
Interro-negative form
Simple form
should I not furnish furnish? should you not furnish furnish? should she not furnish furnish? should we not furnish furnish? should you not furnish furnish? should they not furnish furnish?
V-ing form
should I not be furnish furnishing? should you not be furnish furnishing? should she not be furnish furnishing? should we not be furnish furnishing? should you not be furnish furnishing? should they not be furnish furnishing?
Perfect
should I not have furnish furnished? should you not have furnish furnished? should she not have furnish furnished? should we not have furnish furnished? should you not have furnish furnished? should they not have furnish furnished?
V-ing perfect
should I not have been furnish furnishing? should you not have been furnish furnishing? should she not have been furnish furnishing? should we not have been furnish furnishing? should you not have been furnish furnishing? should they not have been furnish furnishing?