must undercut
Verbe irrégulier : undercut - undercut- undercut
Traduction française : vendre moins cher que - amoindrir 

Affirmation 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
I must undercut
you must undercut
he must undercut
we must undercut
you must undercut
they must undercut 	I must be undercutting
you must be undercutting
he must be undercutting
we must be undercutting
you must be undercutting
they must be undercutting	I must have undercut
you must have undercut
he must have undercut
we must have undercut
you must have undercut
they must have undercut	I must have been undercutting
you must have been undercutting
he must have been undercutting
we must have been undercutting
you must have been undercutting
they must have been undercutting	

Négation 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
I must not undercut
you must not undercut
he must not undercut
we must not undercut
you must not undercut
they must not undercut 	I must not be undercutting
you must not be undercutting
he must not be undercutting
we must not be undercutting
you must not be undercutting
they must not be undercutting	I must not have undercut
you must not have undercut
he must not have undercut
we must not have undercut
you must not have undercut
they must not have undercut	I must not have been undercutting
you must not have been undercutting
he must not have been undercutting
we must not have been undercutting
you must not have been undercutting
they must not have been undercutting	

Forme interrogative 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
must I undercut?
must you undercut?
must he undercut?
must we undercut?
must you undercut?
must they undercut? 	must I be undercutting?
must you be undercutting?
must he be undercutting?
must we be undercutting?
must you be undercutting?
must they be undercutting? 	must I have undercut?
must you have undercut?
must he have undercut?
must we have undercut?
must you have undercut?
must they have undercut? 	must I have been undercutting?
must you have been undercutting?
must he have been undercutting?
must we have been undercutting?
must you have been undercutting?
must they have been undercutting? 	

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