English verb conjugation
MUST REFURBISH

Regular verb: refurbish - refurbished - refurbished

Affirmation

Simple form	V-ing form
I must refurbish you must refurbish he must refurbish we must refurbish you must refurbish they must refurbish	I must be refurbishing you must be refurbishing he must be refurbishing we must be refurbishing you must be refurbishing they must be refurbishing
Perfect	V-ing perfect
I must have refurbished you must have refurbished he must have refurbished we must have refurbished you must have refurbished they must have refurbished	I must have been refurbishing you must have been refurbishing he must have been refurbishing we must have been refurbishing you must have been refurbishing they must have been refurbishing

Negation

Simple form	V-ing form
I mustn't refurbish you mustn't refurbish he mustn't refurbish we mustn't refurbish you mustn't refurbish they mustn't refurbish	I mustn't be refurbishing you mustn't be refurbishing he mustn't be refurbishing we mustn't be refurbishing you mustn't be refurbishing they mustn't be refurbishing
Perfect	V-ing perfect
I mustn't have refurbished you mustn't have refurbished he mustn't have refurbished we mustn't have refurbished you mustn't have refurbished they mustn't have refurbished	I mustn't have been refurbishing you mustn't have been refurbishing he mustn't have been refurbishing we mustn't have been refurbishing you mustn't have been refurbishing they mustn't have been refurbishing

Interrogative form

Simple form	V-ing form
must I refurbish? must you refurbish? must he refurbish? must we refurbish? must you refurbish? must they refurbish?	must I be refurbishing? must you be refurbishing? must he be refurbishing? must we be refurbishing? must you be refurbishing? must they be refurbishing?
Perfect	V-ing perfect
must I have refurbished? must you have refurbished? must he have refurbished? must we have refurbished? must you have refurbished? must they have refurbished?	must I have been refurbishing? must you have been refurbishing? must he have been refurbishing? must we have been refurbishing? must you have been refurbishing? must they have been refurbishing?

Interro-negative form

Simple form	V-ing form
mustn't I refurbish? mustn't you refurbish? mustn't he refurbish? mustn't we refurbish? mustn't you refurbish? mustn't they refurbish?	mustn't I be refurbishing? mustn't you be refurbishing? mustn't he be refurbishing? mustn't we be refurbishing? mustn't you be refurbishing? mustn't they be refurbishing?
Perfect	V-ing perfect
mustn't I have refurbished? mustn't you have refurbished? mustn't he have refurbished? mustn't we have refurbished? mustn't you have refurbished? mustn't they have refurbished?	mustn't I have been refurbishing? mustn't you have been refurbishing? mustn't he have been refurbishing? mustn't we have been refurbishing? mustn't you have been refurbishing? mustn't they have been refurbishing?