must square-dance
Verbe régulier : square-dance - square-danced- square-danced

Affirmation 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
I must square-dance
you must square-dance
he must square-dance
we must square-dance
you must square-dance
they must square-dance 	I must be square-dancing
you must be square-dancing
he must be square-dancing
we must be square-dancing
you must be square-dancing
they must be square-dancing	I must have square-danced
you must have square-danced
he must have square-danced
we must have square-danced
you must have square-danced
they must have square-danced	I must have been square-dancing
you must have been square-dancing
he must have been square-dancing
we must have been square-dancing
you must have been square-dancing
they must have been square-dancing	

Négation 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
I mustn't square-dance
you mustn't square-dance
he mustn't square-dance
we mustn't square-dance
you mustn't square-dance
they mustn't square-dance 	I mustn't be square-dancing
you mustn't be square-dancing
he mustn't be square-dancing
we mustn't be square-dancing
you mustn't be square-dancing
they mustn't be square-dancing	I mustn't have square-danced
you mustn't have square-danced
he mustn't have square-danced
we mustn't have square-danced
you mustn't have square-danced
they mustn't have square-danced	I mustn't have been square-dancing
you mustn't have been square-dancing
he mustn't have been square-dancing
we mustn't have been square-dancing
you mustn't have been square-dancing
they mustn't have been square-dancing	

Forme interrogative 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
must I square-dance?
must you square-dance?
must he square-dance?
must we square-dance?
must you square-dance?
must they square-dance? 	must I be square-dancing?
must you be square-dancing?
must he be square-dancing?
must we be square-dancing?
must you be square-dancing?
must they be square-dancing? 	must I have square-danced?
must you have square-danced?
must he have square-danced?
must we have square-danced?
must you have square-danced?
must they have square-danced? 	must I have been square-dancing?
must you have been square-dancing?
must he have been square-dancing?
must we have been square-dancing?
must you have been square-dancing?
must they have been square-dancing? 	

Forme interro-négative 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
mustn't I square-dance?
mustn't you square-dance?
mustn't he square-dance?
mustn't we square-dance?
mustn't you square-dance?
mustn't they square-dance? 	mustn't I be square-dancing?
mustn't you be square-dancing?
mustn't he be square-dancing?
mustn't we be square-dancing?
mustn't you be square-dancing?
mustn't they be square-dancing? 	mustn't I have square-danced?
mustn't you have square-danced?
mustn't he have square-danced?
mustn't we have square-danced?
mustn't you have square-danced?
mustn't they have square-danced? 	mustn't I have been square-dancing?
mustn't you have been square-dancing?
mustn't he have been square-dancing?
mustn't we have been square-dancing?
mustn't you have been square-dancing?
mustn't they have been square-dancing?