must pre-empt
Verbe régulier : pre-empt - pre-empted- pre-empted
Traduction française : anticiper - faire une enchère de barrage 

Affirmation 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
I must pre-empt
you must pre-empt
she must pre-empt
we must pre-empt
you must pre-empt
they must pre-empt 	I must be pre-empting
you must be pre-empting
she must be pre-empting
we must be pre-empting
you must be pre-empting
they must be pre-empting	I must have pre-empted
you must have pre-empted
she must have pre-empted
we must have pre-empted
you must have pre-empted
they must have pre-empted	I must have been pre-empting
you must have been pre-empting
she must have been pre-empting
we must have been pre-empting
you must have been pre-empting
they must have been pre-empting	

Négation 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
I mustn't pre-empt
you mustn't pre-empt
she mustn't pre-empt
we mustn't pre-empt
you mustn't pre-empt
they mustn't pre-empt 	I mustn't be pre-empting
you mustn't be pre-empting
she mustn't be pre-empting
we mustn't be pre-empting
you mustn't be pre-empting
they mustn't be pre-empting	I mustn't have pre-empted
you mustn't have pre-empted
she mustn't have pre-empted
we mustn't have pre-empted
you mustn't have pre-empted
they mustn't have pre-empted	I mustn't have been pre-empting
you mustn't have been pre-empting
she mustn't have been pre-empting
we mustn't have been pre-empting
you mustn't have been pre-empting
they mustn't have been pre-empting	

Forme interrogative 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
must I pre-empt?
must you pre-empt?
must she pre-empt?
must we pre-empt?
must you pre-empt?
must they pre-empt? 	must I be pre-empting?
must you be pre-empting?
must she be pre-empting?
must we be pre-empting?
must you be pre-empting?
must they be pre-empting? 	must I have pre-empted?
must you have pre-empted?
must she have pre-empted?
must we have pre-empted?
must you have pre-empted?
must they have pre-empted? 	must I have been pre-empting?
must you have been pre-empting?
must she have been pre-empting?
must we have been pre-empting?
must you have been pre-empting?
must they have been pre-empting? 	

Forme interro-négative 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
mustn't I pre-empt?
mustn't you pre-empt?
mustn't she pre-empt?
mustn't we pre-empt?
mustn't you pre-empt?
mustn't they pre-empt? 	mustn't I be pre-empting?
mustn't you be pre-empting?
mustn't she be pre-empting?
mustn't we be pre-empting?
mustn't you be pre-empting?
mustn't they be pre-empting? 	mustn't I have pre-empted?
mustn't you have pre-empted?
mustn't she have pre-empted?
mustn't we have pre-empted?
mustn't you have pre-empted?
mustn't they have pre-empted? 	mustn't I have been pre-empting?
mustn't you have been pre-empting?
mustn't she have been pre-empting?
mustn't we have been pre-empting?
mustn't you have been pre-empting?
mustn't they have been pre-empting?