must bubble
Verbe régulier : bubble - bubbled- bubbled
Traduction française : bouillonner - gargouiller 

Affirmation 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
I must bubble
you must bubble
she must bubble
we must bubble
you must bubble
they must bubble 	I must be bubbling
you must be bubbling
she must be bubbling
we must be bubbling
you must be bubbling
they must be bubbling	I must have bubbled
you must have bubbled
she must have bubbled
we must have bubbled
you must have bubbled
they must have bubbled	I must have been bubbling
you must have been bubbling
she must have been bubbling
we must have been bubbling
you must have been bubbling
they must have been bubbling	

Négation 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
I mustn't bubble
you mustn't bubble
she mustn't bubble
we mustn't bubble
you mustn't bubble
they mustn't bubble 	I mustn't be bubbling
you mustn't be bubbling
she mustn't be bubbling
we mustn't be bubbling
you mustn't be bubbling
they mustn't be bubbling	I mustn't have bubbled
you mustn't have bubbled
she mustn't have bubbled
we mustn't have bubbled
you mustn't have bubbled
they mustn't have bubbled	I mustn't have been bubbling
you mustn't have been bubbling
she mustn't have been bubbling
we mustn't have been bubbling
you mustn't have been bubbling
they mustn't have been bubbling	

Forme interrogative 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
must I bubble?
must you bubble?
must she bubble?
must we bubble?
must you bubble?
must they bubble? 	must I be bubbling?
must you be bubbling?
must she be bubbling?
must we be bubbling?
must you be bubbling?
must they be bubbling? 	must I have bubbled?
must you have bubbled?
must she have bubbled?
must we have bubbled?
must you have bubbled?
must they have bubbled? 	must I have been bubbling?
must you have been bubbling?
must she have been bubbling?
must we have been bubbling?
must you have been bubbling?
must they have been bubbling? 	

Forme interro-négative 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
mustn't I bubble?
mustn't you bubble?
mustn't she bubble?
mustn't we bubble?
mustn't you bubble?
mustn't they bubble? 	mustn't I be bubbling?
mustn't you be bubbling?
mustn't she be bubbling?
mustn't we be bubbling?
mustn't you be bubbling?
mustn't they be bubbling? 	mustn't I have bubbled?
mustn't you have bubbled?
mustn't she have bubbled?
mustn't we have bubbled?
mustn't you have bubbled?
mustn't they have bubbled? 	mustn't I have been bubbling?
mustn't you have been bubbling?
mustn't she have been bubbling?
mustn't we have been bubbling?
mustn't you have been bubbling?
mustn't they have been bubbling?