must bus
Verbe régulier : bus - bussed- bussed
Traduction française : acheminer en autobus 

Affirmation 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
I must bus
you must bus
she must bus
we must bus
you must bus
they must bus 	I must be bussing
you must be bussing
she must be bussing
we must be bussing
you must be bussing
they must be bussing	I must have bussed
you must have bussed
she must have bussed
we must have bussed
you must have bussed
they must have bussed	I must have been bussing
you must have been bussing
she must have been bussing
we must have been bussing
you must have been bussing
they must have been bussing	

Négation 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
I mustn't bus
you mustn't bus
she mustn't bus
we mustn't bus
you mustn't bus
they mustn't bus 	I mustn't be bussing
you mustn't be bussing
she mustn't be bussing
we mustn't be bussing
you mustn't be bussing
they mustn't be bussing	I mustn't have bussed
you mustn't have bussed
she mustn't have bussed
we mustn't have bussed
you mustn't have bussed
they mustn't have bussed	I mustn't have been bussing
you mustn't have been bussing
she mustn't have been bussing
we mustn't have been bussing
you mustn't have been bussing
they mustn't have been bussing	

Forme interrogative 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
must I bus?
must you bus?
must she bus?
must we bus?
must you bus?
must they bus? 	must I be bussing?
must you be bussing?
must she be bussing?
must we be bussing?
must you be bussing?
must they be bussing? 	must I have bussed?
must you have bussed?
must she have bussed?
must we have bussed?
must you have bussed?
must they have bussed? 	must I have been bussing?
must you have been bussing?
must she have been bussing?
must we have been bussing?
must you have been bussing?
must they have been bussing? 	

Forme interro-négative 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
mustn't I bus?
mustn't you bus?
mustn't she bus?
mustn't we bus?
mustn't you bus?
mustn't they bus? 	mustn't I be bussing?
mustn't you be bussing?
mustn't she be bussing?
mustn't we be bussing?
mustn't you be bussing?
mustn't they be bussing? 	mustn't I have bussed?
mustn't you have bussed?
mustn't she have bussed?
mustn't we have bussed?
mustn't you have bussed?
mustn't they have bussed? 	mustn't I have been bussing?
mustn't you have been bussing?
mustn't she have been bussing?
mustn't we have been bussing?
mustn't you have been bussing?
mustn't they have been bussing?