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