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 must not ingulf
you must not ingulf
he must not ingulf
we must not ingulf
you must not ingulf
they must not ingulf 	I must not be ingulfing
you must not be ingulfing
he must not be ingulfing
we must not be ingulfing
you must not be ingulfing
they must not be ingulfing	I must not have ingulfed
you must not have ingulfed
he must not have ingulfed
we must not have ingulfed
you must not have ingulfed
they must not have ingulfed	I must not have been ingulfing
you must not have been ingulfing
he must not have been ingulfing
we must not have been ingulfing
you must not have been ingulfing
they must not 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 	
must I not ingulf?
must you not ingulf?
must he not ingulf?
must we not ingulf?
must you not ingulf?
must they not ingulf? 	must I not be ingulfing?
must you not be ingulfing?
must he not be ingulfing?
must we not be ingulfing?
must you not be ingulfing?
must they not be ingulfing? 	must I not have ingulfed?
must you not have ingulfed?
must he not have ingulfed?
must we not have ingulfed?
must you not have ingulfed?
must they not have ingulfed? 	must I not have been ingulfing?
must you not have been ingulfing?
must he not have been ingulfing?
must we not have been ingulfing?
must you not have been ingulfing?
must they not have been ingulfing?