I must historicize you must historicize he must historicize we must historicize you must historicize they must historicize
V-ing form
I must be historicizing you must be historicizing he must be historicizing we must be historicizing you must be historicizing they must be historicizing
Perfect
I must have historicized you must have historicized he must have historicized we must have historicized you must have historicized they must have historicized
V-ing perfect
I must have been historicizing you must have been historicizing he must have been historicizing we must have been historicizing you must have been historicizing they must have been historicizing
Negation
Simple form
I must not historicize you must not historicize he must not historicize we must not historicize you must not historicize they must not historicize
V-ing form
I must not be historicizing you must not be historicizing he must not be historicizing we must not be historicizing you must not be historicizing they must not be historicizing
Perfect
I must not have historicized you must not have historicized he must not have historicized we must not have historicized you must not have historicized they must not have historicized
V-ing perfect
I must not have been historicizing you must not have been historicizing he must not have been historicizing we must not have been historicizing you must not have been historicizing they must not have been historicizing
Interrogative form
Simple form
must I historicize? must you historicize? must he historicize? must we historicize? must you historicize? must they historicize?
V-ing form
must I be historicizing? must you be historicizing? must he be historicizing? must we be historicizing? must you be historicizing? must they be historicizing?
Perfect
must I have historicized? must you have historicized? must he have historicized? must we have historicized? must you have historicized? must they have historicized?
V-ing perfect
must I have been historicizing? must you have been historicizing? must he have been historicizing? must we have been historicizing? must you have been historicizing? must they have been historicizing?
Interro-negative form
Simple form
must I not historicize? must you not historicize? must he not historicize? must we not historicize? must you not historicize? must they not historicize?
V-ing form
must I not be historicizing? must you not be historicizing? must he not be historicizing? must we not be historicizing? must you not be historicizing? must they not be historicizing?
Perfect
must I not have historicized? must you not have historicized? must he not have historicized? must we not have historicized? must you not have historicized? must they not have historicized?
V-ing perfect
must I not have been historicizing? must you not have been historicizing? must he not have been historicizing? must we not have been historicizing? must you not have been historicizing? must they not have been historicizing?