I must passivise you must passivise she must passivise we must passivise you must passivise they must passivise
V-ing form
I must be passivising you must be passivising she must be passivising we must be passivising you must be passivising they must be passivising
Perfect
I must have passivised you must have passivised she 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 she 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 she 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 she 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 she 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 she 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 she passivise? must we passivise? must you passivise? must they passivise?
V-ing form
must I be passivising? must you be passivising? must she be passivising? must we be passivising? must you be passivising? must they be passivising?
Perfect
must I have passivised? must you have passivised? must she 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 she 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 she 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 she 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 she 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 she have been passivising? mustn't we have been passivising? mustn't you have been passivising? mustn't they have been passivising?