must joust
Verbo regular: joust - jousted- jousted

Afirmación 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
I must joust
you must joust
he must joust
we must joust
you must joust
they must joust 	I must be jousting
you must be jousting
he must be jousting
we must be jousting
you must be jousting
they must be jousting	I must have jousted
you must have jousted
he must have jousted
we must have jousted
you must have jousted
they must have jousted	I must have been jousting
you must have been jousting
he must have been jousting
we must have been jousting
you must have been jousting
they must have been jousting	

Negación 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
I mustn't joust
you mustn't joust
he mustn't joust
we mustn't joust
you mustn't joust
they mustn't joust 	I mustn't be jousting
you mustn't be jousting
he mustn't be jousting
we mustn't be jousting
you mustn't be jousting
they mustn't be jousting	I mustn't have jousted
you mustn't have jousted
he mustn't have jousted
we mustn't have jousted
you mustn't have jousted
they mustn't have jousted	I mustn't have been jousting
you mustn't have been jousting
he mustn't have been jousting
we mustn't have been jousting
you mustn't have been jousting
they mustn't have been jousting	

Forma interrogativa 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
must I joust?
must you joust?
must he joust?
must we joust?
must you joust?
must they joust? 	must I be jousting?
must you be jousting?
must he be jousting?
must we be jousting?
must you be jousting?
must they be jousting? 	must I have jousted?
must you have jousted?
must he have jousted?
must we have jousted?
must you have jousted?
must they have jousted? 	must I have been jousting?
must you have been jousting?
must he have been jousting?
must we have been jousting?
must you have been jousting?
must they have been jousting? 	

Forma interro-negativa 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
mustn't I joust?
mustn't you joust?
mustn't he joust?
mustn't we joust?
mustn't you joust?
mustn't they joust? 	mustn't I be jousting?
mustn't you be jousting?
mustn't he be jousting?
mustn't we be jousting?
mustn't you be jousting?
mustn't they be jousting? 	mustn't I have jousted?
mustn't you have jousted?
mustn't he have jousted?
mustn't we have jousted?
mustn't you have jousted?
mustn't they have jousted? 	mustn't I have been jousting?
mustn't you have been jousting?
mustn't he have been jousting?
mustn't we have been jousting?
mustn't you have been jousting?
mustn't they have been jousting?