must ratiocinate
Verbe régulier : ratiocinate - ratiocinated- ratiocinated

Affirmation 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
I must ratiocinate
you must ratiocinate
she must ratiocinate
we must ratiocinate
you must ratiocinate
they must ratiocinate 	I must be ratiocinating
you must be ratiocinating
she must be ratiocinating
we must be ratiocinating
you must be ratiocinating
they must be ratiocinating	I must have ratiocinated
you must have ratiocinated
she must have ratiocinated
we must have ratiocinated
you must have ratiocinated
they must have ratiocinated	I must have been ratiocinating
you must have been ratiocinating
she must have been ratiocinating
we must have been ratiocinating
you must have been ratiocinating
they must have been ratiocinating	

Négation 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
I mustn't ratiocinate
you mustn't ratiocinate
she mustn't ratiocinate
we mustn't ratiocinate
you mustn't ratiocinate
they mustn't ratiocinate 	I mustn't be ratiocinating
you mustn't be ratiocinating
she mustn't be ratiocinating
we mustn't be ratiocinating
you mustn't be ratiocinating
they mustn't be ratiocinating	I mustn't have ratiocinated
you mustn't have ratiocinated
she mustn't have ratiocinated
we mustn't have ratiocinated
you mustn't have ratiocinated
they mustn't have ratiocinated	I mustn't have been ratiocinating
you mustn't have been ratiocinating
she mustn't have been ratiocinating
we mustn't have been ratiocinating
you mustn't have been ratiocinating
they mustn't have been ratiocinating	

Forme interrogative 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
must I ratiocinate?
must you ratiocinate?
must she ratiocinate?
must we ratiocinate?
must you ratiocinate?
must they ratiocinate? 	must I be ratiocinating?
must you be ratiocinating?
must she be ratiocinating?
must we be ratiocinating?
must you be ratiocinating?
must they be ratiocinating? 	must I have ratiocinated?
must you have ratiocinated?
must she have ratiocinated?
must we have ratiocinated?
must you have ratiocinated?
must they have ratiocinated? 	must I have been ratiocinating?
must you have been ratiocinating?
must she have been ratiocinating?
must we have been ratiocinating?
must you have been ratiocinating?
must they have been ratiocinating? 	

Forme interro-négative 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
mustn't I ratiocinate?
mustn't you ratiocinate?
mustn't she ratiocinate?
mustn't we ratiocinate?
mustn't you ratiocinate?
mustn't they ratiocinate? 	mustn't I be ratiocinating?
mustn't you be ratiocinating?
mustn't she be ratiocinating?
mustn't we be ratiocinating?
mustn't you be ratiocinating?
mustn't they be ratiocinating? 	mustn't I have ratiocinated?
mustn't you have ratiocinated?
mustn't she have ratiocinated?
mustn't we have ratiocinated?
mustn't you have ratiocinated?
mustn't they have ratiocinated? 	mustn't I have been ratiocinating?
mustn't you have been ratiocinating?
mustn't she have been ratiocinating?
mustn't we have been ratiocinating?
mustn't you have been ratiocinating?
mustn't they have been ratiocinating?