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

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

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

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

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