must shrivel
Verbe régulier : shrivel - shrivelled- shrivelled

Affirmation 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
I must shrivel
you must shrivel
he must shrivel
we must shrivel
you must shrivel
they must shrivel 	I must be shrivelling
you must be shrivelling
he must be shrivelling
we must be shrivelling
you must be shrivelling
they must be shrivelling	I must have shrivelled
you must have shrivelled
he must have shrivelled
we must have shrivelled
you must have shrivelled
they must have shrivelled	I must have been shrivelling
you must have been shrivelling
he must have been shrivelling
we must have been shrivelling
you must have been shrivelling
they must have been shrivelling	

Négation 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
I must not shrivel
you must not shrivel
he must not shrivel
we must not shrivel
you must not shrivel
they must not shrivel 	I must not be shrivelling
you must not be shrivelling
he must not be shrivelling
we must not be shrivelling
you must not be shrivelling
they must not be shrivelling	I must not have shrivelled
you must not have shrivelled
he must not have shrivelled
we must not have shrivelled
you must not have shrivelled
they must not have shrivelled	I must not have been shrivelling
you must not have been shrivelling
he must not have been shrivelling
we must not have been shrivelling
you must not have been shrivelling
they must not have been shrivelling	

Forme interrogative 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
must I shrivel?
must you shrivel?
must he shrivel?
must we shrivel?
must you shrivel?
must they shrivel? 	must I be shrivelling?
must you be shrivelling?
must he be shrivelling?
must we be shrivelling?
must you be shrivelling?
must they be shrivelling? 	must I have shrivelled?
must you have shrivelled?
must he have shrivelled?
must we have shrivelled?
must you have shrivelled?
must they have shrivelled? 	must I have been shrivelling?
must you have been shrivelling?
must he have been shrivelling?
must we have been shrivelling?
must you have been shrivelling?
must they have been shrivelling? 	

Forme interro-négative 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
must I not shrivel?
must you not shrivel?
must he not shrivel?
must we not shrivel?
must you not shrivel?
must they not shrivel? 	must I not be shrivelling?
must you not be shrivelling?
must he not be shrivelling?
must we not be shrivelling?
must you not be shrivelling?
must they not be shrivelling? 	must I not have shrivelled?
must you not have shrivelled?
must he not have shrivelled?
must we not have shrivelled?
must you not have shrivelled?
must they not have shrivelled? 	must I not have been shrivelling?
must you not have been shrivelling?
must he not have been shrivelling?
must we not have been shrivelling?
must you not have been shrivelling?
must they not have been shrivelling?