English verb conjugation
MUST OVERFURNISH

Regular verb: overfurnish - overfurnished - overfurnished

Affirmation

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

Negation

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

Interrogative form

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

Interro-negative form

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