must roust
Verbe régulier : roust - rousted- rousted
Traduction française : faire sortir quelqu'un du lit 

Affirmation 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
I must roust
you must roust
he must roust
we must roust
you must roust
they must roust 	I must be rousting
you must be rousting
he must be rousting
we must be rousting
you must be rousting
they must be rousting	I must have rousted
you must have rousted
he must have rousted
we must have rousted
you must have rousted
they must have rousted	I must have been rousting
you must have been rousting
he must have been rousting
we must have been rousting
you must have been rousting
they must have been rousting	

Négation 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
I mustn't roust
you mustn't roust
he mustn't roust
we mustn't roust
you mustn't roust
they mustn't roust 	I mustn't be rousting
you mustn't be rousting
he mustn't be rousting
we mustn't be rousting
you mustn't be rousting
they mustn't be rousting	I mustn't have rousted
you mustn't have rousted
he mustn't have rousted
we mustn't have rousted
you mustn't have rousted
they mustn't have rousted	I mustn't have been rousting
you mustn't have been rousting
he mustn't have been rousting
we mustn't have been rousting
you mustn't have been rousting
they mustn't have been rousting	

Forme interrogative 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
must I roust?
must you roust?
must he roust?
must we roust?
must you roust?
must they roust? 	must I be rousting?
must you be rousting?
must he be rousting?
must we be rousting?
must you be rousting?
must they be rousting? 	must I have rousted?
must you have rousted?
must he have rousted?
must we have rousted?
must you have rousted?
must they have rousted? 	must I have been rousting?
must you have been rousting?
must he have been rousting?
must we have been rousting?
must you have been rousting?
must they have been rousting? 	

Forme interro-négative 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
mustn't I roust?
mustn't you roust?
mustn't he roust?
mustn't we roust?
mustn't you roust?
mustn't they roust? 	mustn't I be rousting?
mustn't you be rousting?
mustn't he be rousting?
mustn't we be rousting?
mustn't you be rousting?
mustn't they be rousting? 	mustn't I have rousted?
mustn't you have rousted?
mustn't he have rousted?
mustn't we have rousted?
mustn't you have rousted?
mustn't they have rousted? 	mustn't I have been rousting?
mustn't you have been rousting?
mustn't he have been rousting?
mustn't we have been rousting?
mustn't you have been rousting?
mustn't they have been rousting?