English verb conjugation
COULD OVERFURNISH

Regular verb: overfurnish - overfurnished - overfurnished

Affirmation

Simple form	V-ing form
I could overfurnish you could overfurnish he could overfurnish we could overfurnish you could overfurnish they could overfurnish	I could be overfurnishing you could be overfurnishing he could be overfurnishing we could be overfurnishing you could be overfurnishing they could be overfurnishing
Perfect	V-ing perfect
I could have overfurnished you could have overfurnished he could have overfurnished we could have overfurnished you could have overfurnished they could have overfurnished	I could have been overfurnishing you could have been overfurnishing he could have been overfurnishing we could have been overfurnishing you could have been overfurnishing they could have been overfurnishing

Negation

Simple form	V-ing form
I could not overfurnish you could not overfurnish he could not overfurnish we could not overfurnish you could not overfurnish they could not overfurnish	I could not be overfurnishing you could not be overfurnishing he could not be overfurnishing we could not be overfurnishing you could not be overfurnishing they could not be overfurnishing
Perfect	V-ing perfect
I could not have overfurnished you could not have overfurnished he could not have overfurnished we could not have overfurnished you could not have overfurnished they could not have overfurnished	I could not have been overfurnishing you could not have been overfurnishing he could not have been overfurnishing we could not have been overfurnishing you could not have been overfurnishing they could not have been overfurnishing

Interrogative form

Simple form	V-ing form
could I overfurnish? could you overfurnish? could he overfurnish? could we overfurnish? could you overfurnish? could they overfurnish?	could I be overfurnishing? could you be overfurnishing? could he be overfurnishing? could we be overfurnishing? could you be overfurnishing? could they be overfurnishing?
Perfect	V-ing perfect
could I have overfurnished? could you have overfurnished? could he have overfurnished? could we have overfurnished? could you have overfurnished? could they have overfurnished?	could I have been overfurnishing? could you have been overfurnishing? could he have been overfurnishing? could we have been overfurnishing? could you have been overfurnishing? could they have been overfurnishing?

Interro-negative form

Simple form	V-ing form
could I not overfurnish? could you not overfurnish? could he not overfurnish? could we not overfurnish? could you not overfurnish? could they not overfurnish?	could I not be overfurnishing? could you not be overfurnishing? could he not be overfurnishing? could we not be overfurnishing? could you not be overfurnishing? could they not be overfurnishing?
Perfect	V-ing perfect
could I not have overfurnished? could you not have overfurnished? could he not have overfurnished? could we not have overfurnished? could you not have overfurnished? could they not have overfurnished?	could I not have been overfurnishing? could you not have been overfurnishing? could he not have been overfurnishing? could we not have been overfurnishing? could you not have been overfurnishing? could they not have been overfurnishing?