must ingulf
Verbe régulier : ingulf - ingulfed- ingulfed

Affirmation 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
I must ingulf
you must ingulf
he must ingulf
we must ingulf
you must ingulf
they must ingulf 	I must be ingulfing
you must be ingulfing
he must be ingulfing
we must be ingulfing
you must be ingulfing
they must be ingulfing	I must have ingulfed
you must have ingulfed
he must have ingulfed
we must have ingulfed
you must have ingulfed
they must have ingulfed	I must have been ingulfing
you must have been ingulfing
he must have been ingulfing
we must have been ingulfing
you must have been ingulfing
they must have been ingulfing	

Négation 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
I mustn't ingulf
you mustn't ingulf
he mustn't ingulf
we mustn't ingulf
you mustn't ingulf
they mustn't ingulf 	I mustn't be ingulfing
you mustn't be ingulfing
he mustn't be ingulfing
we mustn't be ingulfing
you mustn't be ingulfing
they mustn't be ingulfing	I mustn't have ingulfed
you mustn't have ingulfed
he mustn't have ingulfed
we mustn't have ingulfed
you mustn't have ingulfed
they mustn't have ingulfed	I mustn't have been ingulfing
you mustn't have been ingulfing
he mustn't have been ingulfing
we mustn't have been ingulfing
you mustn't have been ingulfing
they mustn't have been ingulfing	

Forme interrogative 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
must I ingulf?
must you ingulf?
must he ingulf?
must we ingulf?
must you ingulf?
must they ingulf? 	must I be ingulfing?
must you be ingulfing?
must he be ingulfing?
must we be ingulfing?
must you be ingulfing?
must they be ingulfing? 	must I have ingulfed?
must you have ingulfed?
must he have ingulfed?
must we have ingulfed?
must you have ingulfed?
must they have ingulfed? 	must I have been ingulfing?
must you have been ingulfing?
must he have been ingulfing?
must we have been ingulfing?
must you have been ingulfing?
must they have been ingulfing? 	

Forme interro-négative 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
mustn't I ingulf?
mustn't you ingulf?
mustn't he ingulf?
mustn't we ingulf?
mustn't you ingulf?
mustn't they ingulf? 	mustn't I be ingulfing?
mustn't you be ingulfing?
mustn't he be ingulfing?
mustn't we be ingulfing?
mustn't you be ingulfing?
mustn't they be ingulfing? 	mustn't I have ingulfed?
mustn't you have ingulfed?
mustn't he have ingulfed?
mustn't we have ingulfed?
mustn't you have ingulfed?
mustn't they have ingulfed? 	mustn't I have been ingulfing?
mustn't you have been ingulfing?
mustn't he have been ingulfing?
mustn't we have been ingulfing?
mustn't you have been ingulfing?
mustn't they have been ingulfing?