must callous
Verbe régulier : callous - calloused- calloused

Affirmation 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
I must callous
you must callous
she must callous
we must callous
you must callous
they must callous 	I must be callousing
you must be callousing
she must be callousing
we must be callousing
you must be callousing
they must be callousing	I must have calloused
you must have calloused
she must have calloused
we must have calloused
you must have calloused
they must have calloused	I must have been callousing
you must have been callousing
she must have been callousing
we must have been callousing
you must have been callousing
they must have been callousing	

Négation 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
I mustn't callous
you mustn't callous
she mustn't callous
we mustn't callous
you mustn't callous
they mustn't callous 	I mustn't be callousing
you mustn't be callousing
she mustn't be callousing
we mustn't be callousing
you mustn't be callousing
they mustn't be callousing	I mustn't have calloused
you mustn't have calloused
she mustn't have calloused
we mustn't have calloused
you mustn't have calloused
they mustn't have calloused	I mustn't have been callousing
you mustn't have been callousing
she mustn't have been callousing
we mustn't have been callousing
you mustn't have been callousing
they mustn't have been callousing	

Forme interrogative 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
must I callous?
must you callous?
must she callous?
must we callous?
must you callous?
must they callous? 	must I be callousing?
must you be callousing?
must she be callousing?
must we be callousing?
must you be callousing?
must they be callousing? 	must I have calloused?
must you have calloused?
must she have calloused?
must we have calloused?
must you have calloused?
must they have calloused? 	must I have been callousing?
must you have been callousing?
must she have been callousing?
must we have been callousing?
must you have been callousing?
must they have been callousing? 	

Forme interro-négative 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
mustn't I callous?
mustn't you callous?
mustn't she callous?
mustn't we callous?
mustn't you callous?
mustn't they callous? 	mustn't I be callousing?
mustn't you be callousing?
mustn't she be callousing?
mustn't we be callousing?
mustn't you be callousing?
mustn't they be callousing? 	mustn't I have calloused?
mustn't you have calloused?
mustn't she have calloused?
mustn't we have calloused?
mustn't you have calloused?
mustn't they have calloused? 	mustn't I have been callousing?
mustn't you have been callousing?
mustn't she have been callousing?
mustn't we have been callousing?
mustn't you have been callousing?
mustn't they have been callousing?