I must passivise you must passivise he must passivise we must passivise you must passivise they must passivise
V-ing form
I must be passivising you must be passivising he must be passivising we must be passivising you must be passivising they must be passivising
Perfect
I must have passivised you must have passivised he must have passivised we must have passivised you must have passivised they must have passivised
V-ing perfect
I must have been passivising you must have been passivising he must have been passivising we must have been passivising you must have been passivising they must have been passivising
Negation
Simple form
I mustn't passivise you mustn't passivise he mustn't passivise we mustn't passivise you mustn't passivise they mustn't passivise
V-ing form
I mustn't be passivising you mustn't be passivising he mustn't be passivising we mustn't be passivising you mustn't be passivising they mustn't be passivising
Perfect
I mustn't have passivised you mustn't have passivised he mustn't have passivised we mustn't have passivised you mustn't have passivised they mustn't have passivised
V-ing perfect
I mustn't have been passivising you mustn't have been passivising he mustn't have been passivising we mustn't have been passivising you mustn't have been passivising they mustn't have been passivising
Interrogative form
Simple form
must I passivise? must you passivise? must he passivise? must we passivise? must you passivise? must they passivise?
V-ing form
must I be passivising? must you be passivising? must he be passivising? must we be passivising? must you be passivising? must they be passivising?
Perfect
must I have passivised? must you have passivised? must he have passivised? must we have passivised? must you have passivised? must they have passivised?
V-ing perfect
must I have been passivising? must you have been passivising? must he have been passivising? must we have been passivising? must you have been passivising? must they have been passivising?
Interro-negative form
Simple form
mustn't I passivise? mustn't you passivise? mustn't he passivise? mustn't we passivise? mustn't you passivise? mustn't they passivise?
V-ing form
mustn't I be passivising? mustn't you be passivising? mustn't he be passivising? mustn't we be passivising? mustn't you be passivising? mustn't they be passivising?
Perfect
mustn't I have passivised? mustn't you have passivised? mustn't he have passivised? mustn't we have passivised? mustn't you have passivised? mustn't they have passivised?
V-ing perfect
mustn't I have been passivising? mustn't you have been passivising? mustn't he have been passivising? mustn't we have been passivising? mustn't you have been passivising? mustn't they have been passivising?