must undercool
Verbe régulier : undercool - undercooled- undercooled

Affirmation 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
I must undercool
you must undercool
she must undercool
we must undercool
you must undercool
they must undercool 	I must be undercooling
you must be undercooling
she must be undercooling
we must be undercooling
you must be undercooling
they must be undercooling	I must have undercooled
you must have undercooled
she must have undercooled
we must have undercooled
you must have undercooled
they must have undercooled	I must have been undercooling
you must have been undercooling
she must have been undercooling
we must have been undercooling
you must have been undercooling
they must have been undercooling	

Négation 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
I mustn't undercool
you mustn't undercool
she mustn't undercool
we mustn't undercool
you mustn't undercool
they mustn't undercool 	I mustn't be undercooling
you mustn't be undercooling
she mustn't be undercooling
we mustn't be undercooling
you mustn't be undercooling
they mustn't be undercooling	I mustn't have undercooled
you mustn't have undercooled
she mustn't have undercooled
we mustn't have undercooled
you mustn't have undercooled
they mustn't have undercooled	I mustn't have been undercooling
you mustn't have been undercooling
she mustn't have been undercooling
we mustn't have been undercooling
you mustn't have been undercooling
they mustn't have been undercooling	

Forme interrogative 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
must I undercool?
must you undercool?
must she undercool?
must we undercool?
must you undercool?
must they undercool? 	must I be undercooling?
must you be undercooling?
must she be undercooling?
must we be undercooling?
must you be undercooling?
must they be undercooling? 	must I have undercooled?
must you have undercooled?
must she have undercooled?
must we have undercooled?
must you have undercooled?
must they have undercooled? 	must I have been undercooling?
must you have been undercooling?
must she have been undercooling?
must we have been undercooling?
must you have been undercooling?
must they have been undercooling? 	

Forme interro-négative 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
mustn't I undercool?
mustn't you undercool?
mustn't she undercool?
mustn't we undercool?
mustn't you undercool?
mustn't they undercool? 	mustn't I be undercooling?
mustn't you be undercooling?
mustn't she be undercooling?
mustn't we be undercooling?
mustn't you be undercooling?
mustn't they be undercooling? 	mustn't I have undercooled?
mustn't you have undercooled?
mustn't she have undercooled?
mustn't we have undercooled?
mustn't you have undercooled?
mustn't they have undercooled? 	mustn't I have been undercooling?
mustn't you have been undercooling?
mustn't she have been undercooling?
mustn't we have been undercooling?
mustn't you have been undercooling?
mustn't they have been undercooling?