must deterge
Verbe régulier : deterge - deterged- deterged

Affirmation 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
I must deterge
you must deterge
he must deterge
we must deterge
you must deterge
they must deterge 	I must be deterging
you must be deterging
he must be deterging
we must be deterging
you must be deterging
they must be deterging	I must have deterged
you must have deterged
he must have deterged
we must have deterged
you must have deterged
they must have deterged	I must have been deterging
you must have been deterging
he must have been deterging
we must have been deterging
you must have been deterging
they must have been deterging	

Négation 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
I mustn't deterge
you mustn't deterge
he mustn't deterge
we mustn't deterge
you mustn't deterge
they mustn't deterge 	I mustn't be deterging
you mustn't be deterging
he mustn't be deterging
we mustn't be deterging
you mustn't be deterging
they mustn't be deterging	I mustn't have deterged
you mustn't have deterged
he mustn't have deterged
we mustn't have deterged
you mustn't have deterged
they mustn't have deterged	I mustn't have been deterging
you mustn't have been deterging
he mustn't have been deterging
we mustn't have been deterging
you mustn't have been deterging
they mustn't have been deterging	

Forme interrogative 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
must I deterge?
must you deterge?
must he deterge?
must we deterge?
must you deterge?
must they deterge? 	must I be deterging?
must you be deterging?
must he be deterging?
must we be deterging?
must you be deterging?
must they be deterging? 	must I have deterged?
must you have deterged?
must he have deterged?
must we have deterged?
must you have deterged?
must they have deterged? 	must I have been deterging?
must you have been deterging?
must he have been deterging?
must we have been deterging?
must you have been deterging?
must they have been deterging? 	

Forme interro-négative 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
mustn't I deterge?
mustn't you deterge?
mustn't he deterge?
mustn't we deterge?
mustn't you deterge?
mustn't they deterge? 	mustn't I be deterging?
mustn't you be deterging?
mustn't he be deterging?
mustn't we be deterging?
mustn't you be deterging?
mustn't they be deterging? 	mustn't I have deterged?
mustn't you have deterged?
mustn't he have deterged?
mustn't we have deterged?
mustn't you have deterged?
mustn't they have deterged? 	mustn't I have been deterging?
mustn't you have been deterging?
mustn't he have been deterging?
mustn't we have been deterging?
mustn't you have been deterging?
mustn't they have been deterging?