must retort
Verbe régulier : retort - retorted- retorted

Affirmation 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
I must retort
you must retort
he must retort
we must retort
you must retort
they must retort 	I must be retorting
you must be retorting
he must be retorting
we must be retorting
you must be retorting
they must be retorting	I must have retorted
you must have retorted
he must have retorted
we must have retorted
you must have retorted
they must have retorted	I must have been retorting
you must have been retorting
he must have been retorting
we must have been retorting
you must have been retorting
they must have been retorting	

Négation 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
I must not retort
you must not retort
he must not retort
we must not retort
you must not retort
they must not retort 	I must not be retorting
you must not be retorting
he must not be retorting
we must not be retorting
you must not be retorting
they must not be retorting	I must not have retorted
you must not have retorted
he must not have retorted
we must not have retorted
you must not have retorted
they must not have retorted	I must not have been retorting
you must not have been retorting
he must not have been retorting
we must not have been retorting
you must not have been retorting
they must not have been retorting	

Forme interrogative 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
must I retort?
must you retort?
must he retort?
must we retort?
must you retort?
must they retort? 	must I be retorting?
must you be retorting?
must he be retorting?
must we be retorting?
must you be retorting?
must they be retorting? 	must I have retorted?
must you have retorted?
must he have retorted?
must we have retorted?
must you have retorted?
must they have retorted? 	must I have been retorting?
must you have been retorting?
must he have been retorting?
must we have been retorting?
must you have been retorting?
must they have been retorting? 	

Forme interro-négative 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
must I not retort?
must you not retort?
must he not retort?
must we not retort?
must you not retort?
must they not retort? 	must I not be retorting?
must you not be retorting?
must he not be retorting?
must we not be retorting?
must you not be retorting?
must they not be retorting? 	must I not have retorted?
must you not have retorted?
must he not have retorted?
must we not have retorted?
must you not have retorted?
must they not have retorted? 	must I not have been retorting?
must you not have been retorting?
must he not have been retorting?
must we not have been retorting?
must you not have been retorting?
must they not have been retorting?