English verb conjugation
MUST PREFURNISH

Regular verb: prefurnish - prefurnished - prefurnished

Affirmation

Simple form	V-ing form
I must prefurnish you must prefurnish he must prefurnish we must prefurnish you must prefurnish they must prefurnish	I must be prefurnishing you must be prefurnishing he must be prefurnishing we must be prefurnishing you must be prefurnishing they must be prefurnishing
Perfect	V-ing perfect
I must have prefurnished you must have prefurnished he must have prefurnished we must have prefurnished you must have prefurnished they must have prefurnished	I must have been prefurnishing you must have been prefurnishing he must have been prefurnishing we must have been prefurnishing you must have been prefurnishing they must have been prefurnishing

Negation

Simple form	V-ing form
I mustn't prefurnish you mustn't prefurnish he mustn't prefurnish we mustn't prefurnish you mustn't prefurnish they mustn't prefurnish	I mustn't be prefurnishing you mustn't be prefurnishing he mustn't be prefurnishing we mustn't be prefurnishing you mustn't be prefurnishing they mustn't be prefurnishing
Perfect	V-ing perfect
I mustn't have prefurnished you mustn't have prefurnished he mustn't have prefurnished we mustn't have prefurnished you mustn't have prefurnished they mustn't have prefurnished	I mustn't have been prefurnishing you mustn't have been prefurnishing he mustn't have been prefurnishing we mustn't have been prefurnishing you mustn't have been prefurnishing they mustn't have been prefurnishing

Interrogative form

Simple form	V-ing form
must I prefurnish? must you prefurnish? must he prefurnish? must we prefurnish? must you prefurnish? must they prefurnish?	must I be prefurnishing? must you be prefurnishing? must he be prefurnishing? must we be prefurnishing? must you be prefurnishing? must they be prefurnishing?
Perfect	V-ing perfect
must I have prefurnished? must you have prefurnished? must he have prefurnished? must we have prefurnished? must you have prefurnished? must they have prefurnished?	must I have been prefurnishing? must you have been prefurnishing? must he have been prefurnishing? must we have been prefurnishing? must you have been prefurnishing? must they have been prefurnishing?

Interro-negative form

Simple form	V-ing form
mustn't I prefurnish? mustn't you prefurnish? mustn't he prefurnish? mustn't we prefurnish? mustn't you prefurnish? mustn't they prefurnish?	mustn't I be prefurnishing? mustn't you be prefurnishing? mustn't he be prefurnishing? mustn't we be prefurnishing? mustn't you be prefurnishing? mustn't they be prefurnishing?
Perfect	V-ing perfect
mustn't I have prefurnished? mustn't you have prefurnished? mustn't he have prefurnished? mustn't we have prefurnished? mustn't you have prefurnished? mustn't they have prefurnished?	mustn't I have been prefurnishing? mustn't you have been prefurnishing? mustn't he have been prefurnishing? mustn't we have been prefurnishing? mustn't you have been prefurnishing? mustn't they have been prefurnishing?