must demagnetize
Regular verb: demagnetize - demagnetized- demagnetized

Affirmation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I must demagnetize
you must demagnetize
she must demagnetize
we must demagnetize
you must demagnetize
they must demagnetize 	I must be demagnetizing
you must be demagnetizing
she must be demagnetizing
we must be demagnetizing
you must be demagnetizing
they must be demagnetizing	I must have demagnetized
you must have demagnetized
she must have demagnetized
we must have demagnetized
you must have demagnetized
they must have demagnetized	I must have been demagnetizing
you must have been demagnetizing
she must have been demagnetizing
we must have been demagnetizing
you must have been demagnetizing
they must have been demagnetizing	

Negation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I must not demagnetize
you must not demagnetize
she must not demagnetize
we must not demagnetize
you must not demagnetize
they must not demagnetize 	I must not be demagnetizing
you must not be demagnetizing
she must not be demagnetizing
we must not be demagnetizing
you must not be demagnetizing
they must not be demagnetizing	I must not have demagnetized
you must not have demagnetized
she must not have demagnetized
we must not have demagnetized
you must not have demagnetized
they must not have demagnetized	I must not have been demagnetizing
you must not have been demagnetizing
she must not have been demagnetizing
we must not have been demagnetizing
you must not have been demagnetizing
they must not have been demagnetizing	

Interrogative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
must I demagnetize?
must you demagnetize?
must she demagnetize?
must we demagnetize?
must you demagnetize?
must they demagnetize? 	must I be demagnetizing?
must you be demagnetizing?
must she be demagnetizing?
must we be demagnetizing?
must you be demagnetizing?
must they be demagnetizing? 	must I have demagnetized?
must you have demagnetized?
must she have demagnetized?
must we have demagnetized?
must you have demagnetized?
must they have demagnetized? 	must I have been demagnetizing?
must you have been demagnetizing?
must she have been demagnetizing?
must we have been demagnetizing?
must you have been demagnetizing?
must they have been demagnetizing? 	

Interro-negative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
must I not demagnetize?
must you not demagnetize?
must she not demagnetize?
must we not demagnetize?
must you not demagnetize?
must they not demagnetize? 	must I not be demagnetizing?
must you not be demagnetizing?
must she not be demagnetizing?
must we not be demagnetizing?
must you not be demagnetizing?
must they not be demagnetizing? 	must I not have demagnetized?
must you not have demagnetized?
must she not have demagnetized?
must we not have demagnetized?
must you not have demagnetized?
must they not have demagnetized? 	must I not have been demagnetizing?
must you not have been demagnetizing?
must she not have been demagnetizing?
must we not have been demagnetizing?
must you not have been demagnetizing?
must they not have been demagnetizing?