must prong
Verbe régulier : prong - pronged- pronged

Affirmation 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
I must prong
you must prong
he must prong
we must prong
you must prong
they must prong 	I must be pronging
you must be pronging
he must be pronging
we must be pronging
you must be pronging
they must be pronging	I must have pronged
you must have pronged
he must have pronged
we must have pronged
you must have pronged
they must have pronged	I must have been pronging
you must have been pronging
he must have been pronging
we must have been pronging
you must have been pronging
they must have been pronging	

Négation 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
I must not prong
you must not prong
he must not prong
we must not prong
you must not prong
they must not prong 	I must not be pronging
you must not be pronging
he must not be pronging
we must not be pronging
you must not be pronging
they must not be pronging	I must not have pronged
you must not have pronged
he must not have pronged
we must not have pronged
you must not have pronged
they must not have pronged	I must not have been pronging
you must not have been pronging
he must not have been pronging
we must not have been pronging
you must not have been pronging
they must not have been pronging	

Forme interrogative 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
must I prong?
must you prong?
must he prong?
must we prong?
must you prong?
must they prong? 	must I be pronging?
must you be pronging?
must he be pronging?
must we be pronging?
must you be pronging?
must they be pronging? 	must I have pronged?
must you have pronged?
must he have pronged?
must we have pronged?
must you have pronged?
must they have pronged? 	must I have been pronging?
must you have been pronging?
must he have been pronging?
must we have been pronging?
must you have been pronging?
must they have been pronging? 	

Forme interro-négative 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
must I not prong?
must you not prong?
must he not prong?
must we not prong?
must you not prong?
must they not prong? 	must I not be pronging?
must you not be pronging?
must he not be pronging?
must we not be pronging?
must you not be pronging?
must they not be pronging? 	must I not have pronged?
must you not have pronged?
must he not have pronged?
must we not have pronged?
must you not have pronged?
must they not have pronged? 	must I not have been pronging?
must you not have been pronging?
must he not have been pronging?
must we not have been pronging?
must you not have been pronging?
must they not have been pronging?