must masturbate
Verbe régulier : masturbate - masturbated- masturbated
Traduction française : se masturber - masturber 

Affirmation 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
I must masturbate
you must masturbate
he must masturbate
we must masturbate
you must masturbate
they must masturbate 	I must be masturbating
you must be masturbating
he must be masturbating
we must be masturbating
you must be masturbating
they must be masturbating	I must have masturbated
you must have masturbated
he must have masturbated
we must have masturbated
you must have masturbated
they must have masturbated	I must have been masturbating
you must have been masturbating
he must have been masturbating
we must have been masturbating
you must have been masturbating
they must have been masturbating	

Négation 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
I mustn't masturbate
you mustn't masturbate
he mustn't masturbate
we mustn't masturbate
you mustn't masturbate
they mustn't masturbate 	I mustn't be masturbating
you mustn't be masturbating
he mustn't be masturbating
we mustn't be masturbating
you mustn't be masturbating
they mustn't be masturbating	I mustn't have masturbated
you mustn't have masturbated
he mustn't have masturbated
we mustn't have masturbated
you mustn't have masturbated
they mustn't have masturbated	I mustn't have been masturbating
you mustn't have been masturbating
he mustn't have been masturbating
we mustn't have been masturbating
you mustn't have been masturbating
they mustn't have been masturbating	

Forme interrogative 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
must I masturbate?
must you masturbate?
must he masturbate?
must we masturbate?
must you masturbate?
must they masturbate? 	must I be masturbating?
must you be masturbating?
must he be masturbating?
must we be masturbating?
must you be masturbating?
must they be masturbating? 	must I have masturbated?
must you have masturbated?
must he have masturbated?
must we have masturbated?
must you have masturbated?
must they have masturbated? 	must I have been masturbating?
must you have been masturbating?
must he have been masturbating?
must we have been masturbating?
must you have been masturbating?
must they have been masturbating? 	

Forme interro-négative 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
mustn't I masturbate?
mustn't you masturbate?
mustn't he masturbate?
mustn't we masturbate?
mustn't you masturbate?
mustn't they masturbate? 	mustn't I be masturbating?
mustn't you be masturbating?
mustn't he be masturbating?
mustn't we be masturbating?
mustn't you be masturbating?
mustn't they be masturbating? 	mustn't I have masturbated?
mustn't you have masturbated?
mustn't he have masturbated?
mustn't we have masturbated?
mustn't you have masturbated?
mustn't they have masturbated? 	mustn't I have been masturbating?
mustn't you have been masturbating?
mustn't he have been masturbating?
mustn't we have been masturbating?
mustn't you have been masturbating?
mustn't they have been masturbating?