must crusade
Verbe régulier : crusade - crusaded- crusaded
Traduction française : partir en croisade - faire une croisade 

Affirmation 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
I must crusade
you must crusade
he must crusade
we must crusade
you must crusade
they must crusade 	I must be crusading
you must be crusading
he must be crusading
we must be crusading
you must be crusading
they must be crusading	I must have crusaded
you must have crusaded
he must have crusaded
we must have crusaded
you must have crusaded
they must have crusaded	I must have been crusading
you must have been crusading
he must have been crusading
we must have been crusading
you must have been crusading
they must have been crusading	

Négation 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
I mustn't crusade
you mustn't crusade
he mustn't crusade
we mustn't crusade
you mustn't crusade
they mustn't crusade 	I mustn't be crusading
you mustn't be crusading
he mustn't be crusading
we mustn't be crusading
you mustn't be crusading
they mustn't be crusading	I mustn't have crusaded
you mustn't have crusaded
he mustn't have crusaded
we mustn't have crusaded
you mustn't have crusaded
they mustn't have crusaded	I mustn't have been crusading
you mustn't have been crusading
he mustn't have been crusading
we mustn't have been crusading
you mustn't have been crusading
they mustn't have been crusading	

Forme interrogative 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
must I crusade?
must you crusade?
must he crusade?
must we crusade?
must you crusade?
must they crusade? 	must I be crusading?
must you be crusading?
must he be crusading?
must we be crusading?
must you be crusading?
must they be crusading? 	must I have crusaded?
must you have crusaded?
must he have crusaded?
must we have crusaded?
must you have crusaded?
must they have crusaded? 	must I have been crusading?
must you have been crusading?
must he have been crusading?
must we have been crusading?
must you have been crusading?
must they have been crusading? 	

Forme interro-négative 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
mustn't I crusade?
mustn't you crusade?
mustn't he crusade?
mustn't we crusade?
mustn't you crusade?
mustn't they crusade? 	mustn't I be crusading?
mustn't you be crusading?
mustn't he be crusading?
mustn't we be crusading?
mustn't you be crusading?
mustn't they be crusading? 	mustn't I have crusaded?
mustn't you have crusaded?
mustn't he have crusaded?
mustn't we have crusaded?
mustn't you have crusaded?
mustn't they have crusaded? 	mustn't I have been crusading?
mustn't you have been crusading?
mustn't he have been crusading?
mustn't we have been crusading?
mustn't you have been crusading?
mustn't they have been crusading?