must burnish
Regular verb: burnish - burnished- burnished

Affirmation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I must burnish
you must burnish
he must burnish
we must burnish
you must burnish
they must burnish 	I must be burnishing
you must be burnishing
he must be burnishing
we must be burnishing
you must be burnishing
they must be burnishing	I must have burnished
you must have burnished
he must have burnished
we must have burnished
you must have burnished
they must have burnished	I must have been burnishing
you must have been burnishing
he must have been burnishing
we must have been burnishing
you must have been burnishing
they must have been burnishing	

Negation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I must not burnish
you must not burnish
he must not burnish
we must not burnish
you must not burnish
they must not burnish 	I must not be burnishing
you must not be burnishing
he must not be burnishing
we must not be burnishing
you must not be burnishing
they must not be burnishing	I must not have burnished
you must not have burnished
he must not have burnished
we must not have burnished
you must not have burnished
they must not have burnished	I must not have been burnishing
you must not have been burnishing
he must not have been burnishing
we must not have been burnishing
you must not have been burnishing
they must not have been burnishing	

Interrogative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
must I burnish?
must you burnish?
must he burnish?
must we burnish?
must you burnish?
must they burnish? 	must I be burnishing?
must you be burnishing?
must he be burnishing?
must we be burnishing?
must you be burnishing?
must they be burnishing? 	must I have burnished?
must you have burnished?
must he have burnished?
must we have burnished?
must you have burnished?
must they have burnished? 	must I have been burnishing?
must you have been burnishing?
must he have been burnishing?
must we have been burnishing?
must you have been burnishing?
must they have been burnishing? 	

Interro-negative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
must I not burnish?
must you not burnish?
must he not burnish?
must we not burnish?
must you not burnish?
must they not burnish? 	must I not be burnishing?
must you not be burnishing?
must he not be burnishing?
must we not be burnishing?
must you not be burnishing?
must they not be burnishing? 	must I not have burnished?
must you not have burnished?
must he not have burnished?
must we not have burnished?
must you not have burnished?
must they not have burnished? 	must I not have been burnishing?
must you not have been burnishing?
must he not have been burnishing?
must we not have been burnishing?
must you not have been burnishing?
must they not have been burnishing?