I must apostrophize you must apostrophize he must apostrophize we must apostrophize you must apostrophize they must apostrophize
V-ing form
I must be apostrophizing you must be apostrophizing he must be apostrophizing we must be apostrophizing you must be apostrophizing they must be apostrophizing
Perfect
I must have apostrophized you must have apostrophized he must have apostrophized we must have apostrophized you must have apostrophized they must have apostrophized
V-ing perfect
I must have been apostrophizing you must have been apostrophizing he must have been apostrophizing we must have been apostrophizing you must have been apostrophizing they must have been apostrophizing
Negation
Simple form
I must not apostrophize you must not apostrophize he must not apostrophize we must not apostrophize you must not apostrophize they must not apostrophize
V-ing form
I must not be apostrophizing you must not be apostrophizing he must not be apostrophizing we must not be apostrophizing you must not be apostrophizing they must not be apostrophizing
Perfect
I must not have apostrophized you must not have apostrophized he must not have apostrophized we must not have apostrophized you must not have apostrophized they must not have apostrophized
V-ing perfect
I must not have been apostrophizing you must not have been apostrophizing he must not have been apostrophizing we must not have been apostrophizing you must not have been apostrophizing they must not have been apostrophizing
Interrogative form
Simple form
must I apostrophize? must you apostrophize? must he apostrophize? must we apostrophize? must you apostrophize? must they apostrophize?
V-ing form
must I be apostrophizing? must you be apostrophizing? must he be apostrophizing? must we be apostrophizing? must you be apostrophizing? must they be apostrophizing?
Perfect
must I have apostrophized? must you have apostrophized? must he have apostrophized? must we have apostrophized? must you have apostrophized? must they have apostrophized?
V-ing perfect
must I have been apostrophizing? must you have been apostrophizing? must he have been apostrophizing? must we have been apostrophizing? must you have been apostrophizing? must they have been apostrophizing?
Interro-negative form
Simple form
must I not apostrophize? must you not apostrophize? must he not apostrophize? must we not apostrophize? must you not apostrophize? must they not apostrophize?
V-ing form
must I not be apostrophizing? must you not be apostrophizing? must he not be apostrophizing? must we not be apostrophizing? must you not be apostrophizing? must they not be apostrophizing?
Perfect
must I not have apostrophized? must you not have apostrophized? must he not have apostrophized? must we not have apostrophized? must you not have apostrophized? must they not have apostrophized?
V-ing perfect
must I not have been apostrophizing? must you not have been apostrophizing? must he not have been apostrophizing? must we not have been apostrophizing? must you not have been apostrophizing? must they not have been apostrophizing?