must coif
Verbe régulier : coif - coifed- coifed

Affirmation 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
I must coif
you must coif
he must coif
we must coif
you must coif
they must coif 	I must be coifing
you must be coifing
he must be coifing
we must be coifing
you must be coifing
they must be coifing	I must have coifed
you must have coifed
he must have coifed
we must have coifed
you must have coifed
they must have coifed	I must have been coifing
you must have been coifing
he must have been coifing
we must have been coifing
you must have been coifing
they must have been coifing	

Négation 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
I mustn't coif
you mustn't coif
he mustn't coif
we mustn't coif
you mustn't coif
they mustn't coif 	I mustn't be coifing
you mustn't be coifing
he mustn't be coifing
we mustn't be coifing
you mustn't be coifing
they mustn't be coifing	I mustn't have coifed
you mustn't have coifed
he mustn't have coifed
we mustn't have coifed
you mustn't have coifed
they mustn't have coifed	I mustn't have been coifing
you mustn't have been coifing
he mustn't have been coifing
we mustn't have been coifing
you mustn't have been coifing
they mustn't have been coifing	

Forme interrogative 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
must I coif?
must you coif?
must he coif?
must we coif?
must you coif?
must they coif? 	must I be coifing?
must you be coifing?
must he be coifing?
must we be coifing?
must you be coifing?
must they be coifing? 	must I have coifed?
must you have coifed?
must he have coifed?
must we have coifed?
must you have coifed?
must they have coifed? 	must I have been coifing?
must you have been coifing?
must he have been coifing?
must we have been coifing?
must you have been coifing?
must they have been coifing? 	

Forme interro-négative 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
mustn't I coif?
mustn't you coif?
mustn't he coif?
mustn't we coif?
mustn't you coif?
mustn't they coif? 	mustn't I be coifing?
mustn't you be coifing?
mustn't he be coifing?
mustn't we be coifing?
mustn't you be coifing?
mustn't they be coifing? 	mustn't I have coifed?
mustn't you have coifed?
mustn't he have coifed?
mustn't we have coifed?
mustn't you have coifed?
mustn't they have coifed? 	mustn't I have been coifing?
mustn't you have been coifing?
mustn't he have been coifing?
mustn't we have been coifing?
mustn't you have been coifing?
mustn't they have been coifing?