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