must ultracentrifuge
Verbe régulier : ultracentrifuge - ultracentrifuged- ultracentrifuged

Affirmation 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
I must ultracentrifuge
you must ultracentrifuge
she must ultracentrifuge
we must ultracentrifuge
you must ultracentrifuge
they must ultracentrifuge 	I must be ultracentrifuging
you must be ultracentrifuging
she must be ultracentrifuging
we must be ultracentrifuging
you must be ultracentrifuging
they must be ultracentrifuging	I must have ultracentrifuged
you must have ultracentrifuged
she must have ultracentrifuged
we must have ultracentrifuged
you must have ultracentrifuged
they must have ultracentrifuged	I must have been ultracentrifuging
you must have been ultracentrifuging
she must have been ultracentrifuging
we must have been ultracentrifuging
you must have been ultracentrifuging
they must have been ultracentrifuging	

Négation 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
I mustn't ultracentrifuge
you mustn't ultracentrifuge
she mustn't ultracentrifuge
we mustn't ultracentrifuge
you mustn't ultracentrifuge
they mustn't ultracentrifuge 	I mustn't be ultracentrifuging
you mustn't be ultracentrifuging
she mustn't be ultracentrifuging
we mustn't be ultracentrifuging
you mustn't be ultracentrifuging
they mustn't be ultracentrifuging	I mustn't have ultracentrifuged
you mustn't have ultracentrifuged
she mustn't have ultracentrifuged
we mustn't have ultracentrifuged
you mustn't have ultracentrifuged
they mustn't have ultracentrifuged	I mustn't have been ultracentrifuging
you mustn't have been ultracentrifuging
she mustn't have been ultracentrifuging
we mustn't have been ultracentrifuging
you mustn't have been ultracentrifuging
they mustn't have been ultracentrifuging	

Forme interrogative 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
must I ultracentrifuge?
must you ultracentrifuge?
must she ultracentrifuge?
must we ultracentrifuge?
must you ultracentrifuge?
must they ultracentrifuge? 	must I be ultracentrifuging?
must you be ultracentrifuging?
must she be ultracentrifuging?
must we be ultracentrifuging?
must you be ultracentrifuging?
must they be ultracentrifuging? 	must I have ultracentrifuged?
must you have ultracentrifuged?
must she have ultracentrifuged?
must we have ultracentrifuged?
must you have ultracentrifuged?
must they have ultracentrifuged? 	must I have been ultracentrifuging?
must you have been ultracentrifuging?
must she have been ultracentrifuging?
must we have been ultracentrifuging?
must you have been ultracentrifuging?
must they have been ultracentrifuging? 	

Forme interro-négative 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
mustn't I ultracentrifuge?
mustn't you ultracentrifuge?
mustn't she ultracentrifuge?
mustn't we ultracentrifuge?
mustn't you ultracentrifuge?
mustn't they ultracentrifuge? 	mustn't I be ultracentrifuging?
mustn't you be ultracentrifuging?
mustn't she be ultracentrifuging?
mustn't we be ultracentrifuging?
mustn't you be ultracentrifuging?
mustn't they be ultracentrifuging? 	mustn't I have ultracentrifuged?
mustn't you have ultracentrifuged?
mustn't she have ultracentrifuged?
mustn't we have ultracentrifuged?
mustn't you have ultracentrifuged?
mustn't they have ultracentrifuged? 	mustn't I have been ultracentrifuging?
mustn't you have been ultracentrifuging?
mustn't she have been ultracentrifuging?
mustn't we have been ultracentrifuging?
mustn't you have been ultracentrifuging?
mustn't they have been ultracentrifuging?