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 must not refurbish
you must not refurbish
he must not refurbish
we must not refurbish
you must not refurbish
they must not refurbish 	I must not be refurbishing
you must not be refurbishing
he must not be refurbishing
we must not be refurbishing
you must not be refurbishing
they must not be refurbishing	I must not have refurbished
you must not have refurbished
he must not have refurbished
we must not have refurbished
you must not have refurbished
they must not have refurbished	I must not have been refurbishing
you must not have been refurbishing
he must not have been refurbishing
we must not have been refurbishing
you must not have been refurbishing
they must not 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 	
must I not refurbish?
must you not refurbish?
must he not refurbish?
must we not refurbish?
must you not refurbish?
must they not refurbish? 	must I not be refurbishing?
must you not be refurbishing?
must he not be refurbishing?
must we not be refurbishing?
must you not be refurbishing?
must they not be refurbishing? 	must I not have refurbished?
must you not have refurbished?
must he not have refurbished?
must we not have refurbished?
must you not have refurbished?
must they not have refurbished? 	must I not have been refurbishing?
must you not have been refurbishing?
must he not have been refurbishing?
must we not have been refurbishing?
must you not have been refurbishing?
must they not have been refurbishing?