must roil
Verbe régulier : roil - roiled- roiled

Affirmation 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
I must roil
you must roil
he must roil
we must roil
you must roil
they must roil 	I must be roiling
you must be roiling
he must be roiling
we must be roiling
you must be roiling
they must be roiling	I must have roiled
you must have roiled
he must have roiled
we must have roiled
you must have roiled
they must have roiled	I must have been roiling
you must have been roiling
he must have been roiling
we must have been roiling
you must have been roiling
they must have been roiling	

Négation 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
I mustn't roil
you mustn't roil
he mustn't roil
we mustn't roil
you mustn't roil
they mustn't roil 	I mustn't be roiling
you mustn't be roiling
he mustn't be roiling
we mustn't be roiling
you mustn't be roiling
they mustn't be roiling	I mustn't have roiled
you mustn't have roiled
he mustn't have roiled
we mustn't have roiled
you mustn't have roiled
they mustn't have roiled	I mustn't have been roiling
you mustn't have been roiling
he mustn't have been roiling
we mustn't have been roiling
you mustn't have been roiling
they mustn't have been roiling	

Forme interrogative 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
must I roil?
must you roil?
must he roil?
must we roil?
must you roil?
must they roil? 	must I be roiling?
must you be roiling?
must he be roiling?
must we be roiling?
must you be roiling?
must they be roiling? 	must I have roiled?
must you have roiled?
must he have roiled?
must we have roiled?
must you have roiled?
must they have roiled? 	must I have been roiling?
must you have been roiling?
must he have been roiling?
must we have been roiling?
must you have been roiling?
must they have been roiling? 	

Forme interro-négative 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
mustn't I roil?
mustn't you roil?
mustn't he roil?
mustn't we roil?
mustn't you roil?
mustn't they roil? 	mustn't I be roiling?
mustn't you be roiling?
mustn't he be roiling?
mustn't we be roiling?
mustn't you be roiling?
mustn't they be roiling? 	mustn't I have roiled?
mustn't you have roiled?
mustn't he have roiled?
mustn't we have roiled?
mustn't you have roiled?
mustn't they have roiled? 	mustn't I have been roiling?
mustn't you have been roiling?
mustn't he have been roiling?
mustn't we have been roiling?
mustn't you have been roiling?
mustn't they have been roiling?