must polish
Regular verb: polish - polished- polished

Affirmation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I must polish
you must polish
she must polish
we must polish
you must polish
they must polish 	I must be polishing
you must be polishing
she must be polishing
we must be polishing
you must be polishing
they must be polishing	I must have polished
you must have polished
she must have polished
we must have polished
you must have polished
they must have polished	I must have been polishing
you must have been polishing
she must have been polishing
we must have been polishing
you must have been polishing
they must have been polishing	

Negation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I must not polish
you must not polish
she must not polish
we must not polish
you must not polish
they must not polish 	I must not be polishing
you must not be polishing
she must not be polishing
we must not be polishing
you must not be polishing
they must not be polishing	I must not have polished
you must not have polished
she must not have polished
we must not have polished
you must not have polished
they must not have polished	I must not have been polishing
you must not have been polishing
she must not have been polishing
we must not have been polishing
you must not have been polishing
they must not have been polishing	

Interrogative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
must I polish?
must you polish?
must she polish?
must we polish?
must you polish?
must they polish? 	must I be polishing?
must you be polishing?
must she be polishing?
must we be polishing?
must you be polishing?
must they be polishing? 	must I have polished?
must you have polished?
must she have polished?
must we have polished?
must you have polished?
must they have polished? 	must I have been polishing?
must you have been polishing?
must she have been polishing?
must we have been polishing?
must you have been polishing?
must they have been polishing? 	

Interro-negative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
must I not polish?
must you not polish?
must she not polish?
must we not polish?
must you not polish?
must they not polish? 	must I not be polishing?
must you not be polishing?
must she not be polishing?
must we not be polishing?
must you not be polishing?
must they not be polishing? 	must I not have polished?
must you not have polished?
must she not have polished?
must we not have polished?
must you not have polished?
must they not have polished? 	must I not have been polishing?
must you not have been polishing?
must she not have been polishing?
must we not have been polishing?
must you not have been polishing?
must they not have been polishing?