must peril
Verbe régulier : peril - periled- periled

Affirmation 	
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I must peril
you must peril
he must peril
we must peril
you must peril
they must peril 	I must be periling
you must be periling
he must be periling
we must be periling
you must be periling
they must be periling	I must have periled
you must have periled
he must have periled
we must have periled
you must have periled
they must have periled	I must have been periling
you must have been periling
he must have been periling
we must have been periling
you must have been periling
they must have been periling	

Négation 	
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I mustn't peril
you mustn't peril
he mustn't peril
we mustn't peril
you mustn't peril
they mustn't peril 	I mustn't be periling
you mustn't be periling
he mustn't be periling
we mustn't be periling
you mustn't be periling
they mustn't be periling	I mustn't have periled
you mustn't have periled
he mustn't have periled
we mustn't have periled
you mustn't have periled
they mustn't have periled	I mustn't have been periling
you mustn't have been periling
he mustn't have been periling
we mustn't have been periling
you mustn't have been periling
they mustn't have been periling	

Forme interrogative 	
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must I peril?
must you peril?
must he peril?
must we peril?
must you peril?
must they peril? 	must I be periling?
must you be periling?
must he be periling?
must we be periling?
must you be periling?
must they be periling? 	must I have periled?
must you have periled?
must he have periled?
must we have periled?
must you have periled?
must they have periled? 	must I have been periling?
must you have been periling?
must he have been periling?
must we have been periling?
must you have been periling?
must they have been periling? 	

Forme interro-négative 	
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mustn't I peril?
mustn't you peril?
mustn't he peril?
mustn't we peril?
mustn't you peril?
mustn't they peril? 	mustn't I be periling?
mustn't you be periling?
mustn't he be periling?
mustn't we be periling?
mustn't you be periling?
mustn't they be periling? 	mustn't I have periled?
mustn't you have periled?
mustn't he have periled?
mustn't we have periled?
mustn't you have periled?
mustn't they have periled? 	mustn't I have been periling?
mustn't you have been periling?
mustn't he have been periling?
mustn't we have been periling?
mustn't you have been periling?
mustn't they have been periling?