must undersupply
Verbe régulier : undersupply - undersupplied- undersupplied

Affirmation 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
I must undersupply
you must undersupply
she must undersupply
we must undersupply
you must undersupply
they must undersupply 	I must be undersupplying
you must be undersupplying
she must be undersupplying
we must be undersupplying
you must be undersupplying
they must be undersupplying	I must have undersupplied
you must have undersupplied
she must have undersupplied
we must have undersupplied
you must have undersupplied
they must have undersupplied	I must have been undersupplying
you must have been undersupplying
she must have been undersupplying
we must have been undersupplying
you must have been undersupplying
they must have been undersupplying	

Négation 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
I mustn't undersupply
you mustn't undersupply
she mustn't undersupply
we mustn't undersupply
you mustn't undersupply
they mustn't undersupply 	I mustn't be undersupplying
you mustn't be undersupplying
she mustn't be undersupplying
we mustn't be undersupplying
you mustn't be undersupplying
they mustn't be undersupplying	I mustn't have undersupplied
you mustn't have undersupplied
she mustn't have undersupplied
we mustn't have undersupplied
you mustn't have undersupplied
they mustn't have undersupplied	I mustn't have been undersupplying
you mustn't have been undersupplying
she mustn't have been undersupplying
we mustn't have been undersupplying
you mustn't have been undersupplying
they mustn't have been undersupplying	

Forme interrogative 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
must I undersupply?
must you undersupply?
must she undersupply?
must we undersupply?
must you undersupply?
must they undersupply? 	must I be undersupplying?
must you be undersupplying?
must she be undersupplying?
must we be undersupplying?
must you be undersupplying?
must they be undersupplying? 	must I have undersupplied?
must you have undersupplied?
must she have undersupplied?
must we have undersupplied?
must you have undersupplied?
must they have undersupplied? 	must I have been undersupplying?
must you have been undersupplying?
must she have been undersupplying?
must we have been undersupplying?
must you have been undersupplying?
must they have been undersupplying? 	

Forme interro-négative 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
mustn't I undersupply?
mustn't you undersupply?
mustn't she undersupply?
mustn't we undersupply?
mustn't you undersupply?
mustn't they undersupply? 	mustn't I be undersupplying?
mustn't you be undersupplying?
mustn't she be undersupplying?
mustn't we be undersupplying?
mustn't you be undersupplying?
mustn't they be undersupplying? 	mustn't I have undersupplied?
mustn't you have undersupplied?
mustn't she have undersupplied?
mustn't we have undersupplied?
mustn't you have undersupplied?
mustn't they have undersupplied? 	mustn't I have been undersupplying?
mustn't you have been undersupplying?
mustn't she have been undersupplying?
mustn't we have been undersupplying?
mustn't you have been undersupplying?
mustn't they have been undersupplying?