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 mustn't overfurnish you mustn't overfurnish he mustn't overfurnish we mustn't overfurnish you mustn't overfurnish they mustn't overfurnish	I mustn't be overfurnishing you mustn't be overfurnishing he mustn't be overfurnishing we mustn't be overfurnishing you mustn't be overfurnishing they mustn't be overfurnishing
Perfect	V-ing perfect
I mustn't have overfurnished you mustn't have overfurnished he mustn't have overfurnished we mustn't have overfurnished you mustn't have overfurnished they mustn't have overfurnished	I mustn't have been overfurnishing you mustn't have been overfurnishing he mustn't have been overfurnishing we mustn't have been overfurnishing you mustn't have been overfurnishing they mustn't 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
mustn't I overfurnish? mustn't you overfurnish? mustn't he overfurnish? mustn't we overfurnish? mustn't you overfurnish? mustn't they overfurnish?	mustn't I be overfurnishing? mustn't you be overfurnishing? mustn't he be overfurnishing? mustn't we be overfurnishing? mustn't you be overfurnishing? mustn't they be overfurnishing?
Perfect	V-ing perfect
mustn't I have overfurnished? mustn't you have overfurnished? mustn't he have overfurnished? mustn't we have overfurnished? mustn't you have overfurnished? mustn't they have overfurnished?	mustn't I have been overfurnishing? mustn't you have been overfurnishing? mustn't he have been overfurnishing? mustn't we have been overfurnishing? mustn't you have been overfurnishing? mustn't they have been overfurnishing?