I must historicize you must historicize she must historicize we must historicize you must historicize they must historicize
V-ing form
I must be historicizing you must be historicizing she must be historicizing we must be historicizing you must be historicizing they must be historicizing
Perfect
I must have historicized you must have historicized she 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 she must have been historicizing we must have been historicizing you must have been historicizing they must have been historicizing
Negation
Simple form
I mustn't historicize you mustn't historicize she mustn't historicize we mustn't historicize you mustn't historicize they mustn't historicize
V-ing form
I mustn't be historicizing you mustn't be historicizing she mustn't be historicizing we mustn't be historicizing you mustn't be historicizing they mustn't be historicizing
Perfect
I mustn't have historicized you mustn't have historicized she mustn't have historicized we mustn't have historicized you mustn't have historicized they mustn't have historicized
V-ing perfect
I mustn't have been historicizing you mustn't have been historicizing she mustn't have been historicizing we mustn't have been historicizing you mustn't have been historicizing they mustn't have been historicizing
Interrogative form
Simple form
must I historicize? must you historicize? must she historicize? must we historicize? must you historicize? must they historicize?
V-ing form
must I be historicizing? must you be historicizing? must she be historicizing? must we be historicizing? must you be historicizing? must they be historicizing?
Perfect
must I have historicized? must you have historicized? must she 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 she have been historicizing? must we have been historicizing? must you have been historicizing? must they have been historicizing?
Interro-negative form
Simple form
mustn't I historicize? mustn't you historicize? mustn't she historicize? mustn't we historicize? mustn't you historicize? mustn't they historicize?
V-ing form
mustn't I be historicizing? mustn't you be historicizing? mustn't she be historicizing? mustn't we be historicizing? mustn't you be historicizing? mustn't they be historicizing?
Perfect
mustn't I have historicized? mustn't you have historicized? mustn't she have historicized? mustn't we have historicized? mustn't you have historicized? mustn't they have historicized?
V-ing perfect
mustn't I have been historicizing? mustn't you have been historicizing? mustn't she have been historicizing? mustn't we have been historicizing? mustn't you have been historicizing? mustn't they have been historicizing?