must piss
Verbe régulier : piss - pissed- pissed
Traduction française : pisser - pisser 

Affirmation 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
I must piss
you must piss
he must piss
we must piss
you must piss
they must piss 	I must be pissing
you must be pissing
he must be pissing
we must be pissing
you must be pissing
they must be pissing	I must have pissed
you must have pissed
he must have pissed
we must have pissed
you must have pissed
they must have pissed	I must have been pissing
you must have been pissing
he must have been pissing
we must have been pissing
you must have been pissing
they must have been pissing	

Négation 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
I mustn't piss
you mustn't piss
he mustn't piss
we mustn't piss
you mustn't piss
they mustn't piss 	I mustn't be pissing
you mustn't be pissing
he mustn't be pissing
we mustn't be pissing
you mustn't be pissing
they mustn't be pissing	I mustn't have pissed
you mustn't have pissed
he mustn't have pissed
we mustn't have pissed
you mustn't have pissed
they mustn't have pissed	I mustn't have been pissing
you mustn't have been pissing
he mustn't have been pissing
we mustn't have been pissing
you mustn't have been pissing
they mustn't have been pissing	

Forme interrogative 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
must I piss?
must you piss?
must he piss?
must we piss?
must you piss?
must they piss? 	must I be pissing?
must you be pissing?
must he be pissing?
must we be pissing?
must you be pissing?
must they be pissing? 	must I have pissed?
must you have pissed?
must he have pissed?
must we have pissed?
must you have pissed?
must they have pissed? 	must I have been pissing?
must you have been pissing?
must he have been pissing?
must we have been pissing?
must you have been pissing?
must they have been pissing? 	

Forme interro-négative 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
mustn't I piss?
mustn't you piss?
mustn't he piss?
mustn't we piss?
mustn't you piss?
mustn't they piss? 	mustn't I be pissing?
mustn't you be pissing?
mustn't he be pissing?
mustn't we be pissing?
mustn't you be pissing?
mustn't they be pissing? 	mustn't I have pissed?
mustn't you have pissed?
mustn't he have pissed?
mustn't we have pissed?
mustn't you have pissed?
mustn't they have pissed? 	mustn't I have been pissing?
mustn't you have been pissing?
mustn't he have been pissing?
mustn't we have been pissing?
mustn't you have been pissing?
mustn't they have been pissing?