must gussy
Verbe régulier : gussy - gussied- gussied

Affirmation 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
I must gussy
you must gussy
he must gussy
we must gussy
you must gussy
they must gussy 	I must be gussying
you must be gussying
he must be gussying
we must be gussying
you must be gussying
they must be gussying	I must have gussied
you must have gussied
he must have gussied
we must have gussied
you must have gussied
they must have gussied	I must have been gussying
you must have been gussying
he must have been gussying
we must have been gussying
you must have been gussying
they must have been gussying	

Négation 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
I mustn't gussy
you mustn't gussy
he mustn't gussy
we mustn't gussy
you mustn't gussy
they mustn't gussy 	I mustn't be gussying
you mustn't be gussying
he mustn't be gussying
we mustn't be gussying
you mustn't be gussying
they mustn't be gussying	I mustn't have gussied
you mustn't have gussied
he mustn't have gussied
we mustn't have gussied
you mustn't have gussied
they mustn't have gussied	I mustn't have been gussying
you mustn't have been gussying
he mustn't have been gussying
we mustn't have been gussying
you mustn't have been gussying
they mustn't have been gussying	

Forme interrogative 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
must I gussy?
must you gussy?
must he gussy?
must we gussy?
must you gussy?
must they gussy? 	must I be gussying?
must you be gussying?
must he be gussying?
must we be gussying?
must you be gussying?
must they be gussying? 	must I have gussied?
must you have gussied?
must he have gussied?
must we have gussied?
must you have gussied?
must they have gussied? 	must I have been gussying?
must you have been gussying?
must he have been gussying?
must we have been gussying?
must you have been gussying?
must they have been gussying? 	

Forme interro-négative 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
mustn't I gussy?
mustn't you gussy?
mustn't he gussy?
mustn't we gussy?
mustn't you gussy?
mustn't they gussy? 	mustn't I be gussying?
mustn't you be gussying?
mustn't he be gussying?
mustn't we be gussying?
mustn't you be gussying?
mustn't they be gussying? 	mustn't I have gussied?
mustn't you have gussied?
mustn't he have gussied?
mustn't we have gussied?
mustn't you have gussied?
mustn't they have gussied? 	mustn't I have been gussying?
mustn't you have been gussying?
mustn't he have been gussying?
mustn't we have been gussying?
mustn't you have been gussying?
mustn't they have been gussying?