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