must subduct
Verbe régulier : subduct - subducted- subducted

Affirmation 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
I must subduct
you must subduct
he must subduct
we must subduct
you must subduct
they must subduct 	I must be subducting
you must be subducting
he must be subducting
we must be subducting
you must be subducting
they must be subducting	I must have subducted
you must have subducted
he must have subducted
we must have subducted
you must have subducted
they must have subducted	I must have been subducting
you must have been subducting
he must have been subducting
we must have been subducting
you must have been subducting
they must have been subducting	

Négation 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
I mustn't subduct
you mustn't subduct
he mustn't subduct
we mustn't subduct
you mustn't subduct
they mustn't subduct 	I mustn't be subducting
you mustn't be subducting
he mustn't be subducting
we mustn't be subducting
you mustn't be subducting
they mustn't be subducting	I mustn't have subducted
you mustn't have subducted
he mustn't have subducted
we mustn't have subducted
you mustn't have subducted
they mustn't have subducted	I mustn't have been subducting
you mustn't have been subducting
he mustn't have been subducting
we mustn't have been subducting
you mustn't have been subducting
they mustn't have been subducting	

Forme interrogative 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
must I subduct?
must you subduct?
must he subduct?
must we subduct?
must you subduct?
must they subduct? 	must I be subducting?
must you be subducting?
must he be subducting?
must we be subducting?
must you be subducting?
must they be subducting? 	must I have subducted?
must you have subducted?
must he have subducted?
must we have subducted?
must you have subducted?
must they have subducted? 	must I have been subducting?
must you have been subducting?
must he have been subducting?
must we have been subducting?
must you have been subducting?
must they have been subducting? 	

Forme interro-négative 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
mustn't I subduct?
mustn't you subduct?
mustn't he subduct?
mustn't we subduct?
mustn't you subduct?
mustn't they subduct? 	mustn't I be subducting?
mustn't you be subducting?
mustn't he be subducting?
mustn't we be subducting?
mustn't you be subducting?
mustn't they be subducting? 	mustn't I have subducted?
mustn't you have subducted?
mustn't he have subducted?
mustn't we have subducted?
mustn't you have subducted?
mustn't they have subducted? 	mustn't I have been subducting?
mustn't you have been subducting?
mustn't he have been subducting?
mustn't we have been subducting?
mustn't you have been subducting?
mustn't they have been subducting?