must quadruplicate
Verbe régulier : quadruplicate - quadruplicated- quadruplicated

Affirmation 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
I must quadruplicate
you must quadruplicate
he must quadruplicate
we must quadruplicate
you must quadruplicate
they must quadruplicate 	I must be quadruplicating
you must be quadruplicating
he must be quadruplicating
we must be quadruplicating
you must be quadruplicating
they must be quadruplicating	I must have quadruplicated
you must have quadruplicated
he must have quadruplicated
we must have quadruplicated
you must have quadruplicated
they must have quadruplicated	I must have been quadruplicating
you must have been quadruplicating
he must have been quadruplicating
we must have been quadruplicating
you must have been quadruplicating
they must have been quadruplicating	

Négation 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
I mustn't quadruplicate
you mustn't quadruplicate
he mustn't quadruplicate
we mustn't quadruplicate
you mustn't quadruplicate
they mustn't quadruplicate 	I mustn't be quadruplicating
you mustn't be quadruplicating
he mustn't be quadruplicating
we mustn't be quadruplicating
you mustn't be quadruplicating
they mustn't be quadruplicating	I mustn't have quadruplicated
you mustn't have quadruplicated
he mustn't have quadruplicated
we mustn't have quadruplicated
you mustn't have quadruplicated
they mustn't have quadruplicated	I mustn't have been quadruplicating
you mustn't have been quadruplicating
he mustn't have been quadruplicating
we mustn't have been quadruplicating
you mustn't have been quadruplicating
they mustn't have been quadruplicating	

Forme interrogative 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
must I quadruplicate?
must you quadruplicate?
must he quadruplicate?
must we quadruplicate?
must you quadruplicate?
must they quadruplicate? 	must I be quadruplicating?
must you be quadruplicating?
must he be quadruplicating?
must we be quadruplicating?
must you be quadruplicating?
must they be quadruplicating? 	must I have quadruplicated?
must you have quadruplicated?
must he have quadruplicated?
must we have quadruplicated?
must you have quadruplicated?
must they have quadruplicated? 	must I have been quadruplicating?
must you have been quadruplicating?
must he have been quadruplicating?
must we have been quadruplicating?
must you have been quadruplicating?
must they have been quadruplicating? 	

Forme interro-négative 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
mustn't I quadruplicate?
mustn't you quadruplicate?
mustn't he quadruplicate?
mustn't we quadruplicate?
mustn't you quadruplicate?
mustn't they quadruplicate? 	mustn't I be quadruplicating?
mustn't you be quadruplicating?
mustn't he be quadruplicating?
mustn't we be quadruplicating?
mustn't you be quadruplicating?
mustn't they be quadruplicating? 	mustn't I have quadruplicated?
mustn't you have quadruplicated?
mustn't he have quadruplicated?
mustn't we have quadruplicated?
mustn't you have quadruplicated?
mustn't they have quadruplicated? 	mustn't I have been quadruplicating?
mustn't you have been quadruplicating?
mustn't he have been quadruplicating?
mustn't we have been quadruplicating?
mustn't you have been quadruplicating?
mustn't they have been quadruplicating?