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