must sprain
Verbe régulier : sprain - sprained- sprained
Traduction française : fouler - étirer 

Affirmation 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
I must sprain
you must sprain
she must sprain
we must sprain
you must sprain
they must sprain 	I must be spraining
you must be spraining
she must be spraining
we must be spraining
you must be spraining
they must be spraining	I must have sprained
you must have sprained
she must have sprained
we must have sprained
you must have sprained
they must have sprained	I must have been spraining
you must have been spraining
she must have been spraining
we must have been spraining
you must have been spraining
they must have been spraining	

Négation 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
I mustn't sprain
you mustn't sprain
she mustn't sprain
we mustn't sprain
you mustn't sprain
they mustn't sprain 	I mustn't be spraining
you mustn't be spraining
she mustn't be spraining
we mustn't be spraining
you mustn't be spraining
they mustn't be spraining	I mustn't have sprained
you mustn't have sprained
she mustn't have sprained
we mustn't have sprained
you mustn't have sprained
they mustn't have sprained	I mustn't have been spraining
you mustn't have been spraining
she mustn't have been spraining
we mustn't have been spraining
you mustn't have been spraining
they mustn't have been spraining	

Forme interrogative 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
must I sprain?
must you sprain?
must she sprain?
must we sprain?
must you sprain?
must they sprain? 	must I be spraining?
must you be spraining?
must she be spraining?
must we be spraining?
must you be spraining?
must they be spraining? 	must I have sprained?
must you have sprained?
must she have sprained?
must we have sprained?
must you have sprained?
must they have sprained? 	must I have been spraining?
must you have been spraining?
must she have been spraining?
must we have been spraining?
must you have been spraining?
must they have been spraining? 	

Forme interro-négative 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
mustn't I sprain?
mustn't you sprain?
mustn't she sprain?
mustn't we sprain?
mustn't you sprain?
mustn't they sprain? 	mustn't I be spraining?
mustn't you be spraining?
mustn't she be spraining?
mustn't we be spraining?
mustn't you be spraining?
mustn't they be spraining? 	mustn't I have sprained?
mustn't you have sprained?
mustn't she have sprained?
mustn't we have sprained?
mustn't you have sprained?
mustn't they have sprained? 	mustn't I have been spraining?
mustn't you have been spraining?
mustn't she have been spraining?
mustn't we have been spraining?
mustn't you have been spraining?
mustn't they have been spraining?