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