I must polymerize you must polymerize he must polymerize we must polymerize you must polymerize they must polymerize
V-ing form
I must be polymerizing you must be polymerizing he must be polymerizing we must be polymerizing you must be polymerizing they must be polymerizing
Perfect
I must have polymerized you must have polymerized he 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 he 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 he 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 he 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 he 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 he 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 he polymerize? must we polymerize? must you polymerize? must they polymerize?
V-ing form
must I be polymerizing? must you be polymerizing? must he be polymerizing? must we be polymerizing? must you be polymerizing? must they be polymerizing?
Perfect
must I have polymerized? must you have polymerized? must he 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 he 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 he 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 he 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 he 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 he have been polymerizing? mustn't we have been polymerizing? mustn't you have been polymerizing? mustn't they have been polymerizing?