must refurbish
Regular verb: refurbish - refurbished- refurbished

Affirmation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
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	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 	Perfect 	V-ing perfect 	
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	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 	Perfect 	V-ing perfect 	
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? 	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 	Perfect 	V-ing perfect 	
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? 	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?