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