must best
Verbe régulier : best - bested- bested
Traduction française : l'emporter sur - vaincre 

Affirmation 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
I must best
you must best
she must best
we must best
you must best
they must best 	I must be besting
you must be besting
she must be besting
we must be besting
you must be besting
they must be besting	I must have bested
you must have bested
she must have bested
we must have bested
you must have bested
they must have bested	I must have been besting
you must have been besting
she must have been besting
we must have been besting
you must have been besting
they must have been besting	

Négation 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
I mustn't best
you mustn't best
she mustn't best
we mustn't best
you mustn't best
they mustn't best 	I mustn't be besting
you mustn't be besting
she mustn't be besting
we mustn't be besting
you mustn't be besting
they mustn't be besting	I mustn't have bested
you mustn't have bested
she mustn't have bested
we mustn't have bested
you mustn't have bested
they mustn't have bested	I mustn't have been besting
you mustn't have been besting
she mustn't have been besting
we mustn't have been besting
you mustn't have been besting
they mustn't have been besting	

Forme interrogative 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
must I best?
must you best?
must she best?
must we best?
must you best?
must they best? 	must I be besting?
must you be besting?
must she be besting?
must we be besting?
must you be besting?
must they be besting? 	must I have bested?
must you have bested?
must she have bested?
must we have bested?
must you have bested?
must they have bested? 	must I have been besting?
must you have been besting?
must she have been besting?
must we have been besting?
must you have been besting?
must they have been besting? 	

Forme interro-négative 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
mustn't I best?
mustn't you best?
mustn't she best?
mustn't we best?
mustn't you best?
mustn't they best? 	mustn't I be besting?
mustn't you be besting?
mustn't she be besting?
mustn't we be besting?
mustn't you be besting?
mustn't they be besting? 	mustn't I have bested?
mustn't you have bested?
mustn't she have bested?
mustn't we have bested?
mustn't you have bested?
mustn't they have bested? 	mustn't I have been besting?
mustn't you have been besting?
mustn't she have been besting?
mustn't we have been besting?
mustn't you have been besting?
mustn't they have been besting?