must cheep
Verbe régulier : cheep - cheeped- cheeped
Traduction française : pépier 

Affirmation 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
I must cheep
you must cheep
she must cheep
we must cheep
you must cheep
they must cheep 	I must be cheeping
you must be cheeping
she must be cheeping
we must be cheeping
you must be cheeping
they must be cheeping	I must have cheeped
you must have cheeped
she must have cheeped
we must have cheeped
you must have cheeped
they must have cheeped	I must have been cheeping
you must have been cheeping
she must have been cheeping
we must have been cheeping
you must have been cheeping
they must have been cheeping	

Négation 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
I mustn't cheep
you mustn't cheep
she mustn't cheep
we mustn't cheep
you mustn't cheep
they mustn't cheep 	I mustn't be cheeping
you mustn't be cheeping
she mustn't be cheeping
we mustn't be cheeping
you mustn't be cheeping
they mustn't be cheeping	I mustn't have cheeped
you mustn't have cheeped
she mustn't have cheeped
we mustn't have cheeped
you mustn't have cheeped
they mustn't have cheeped	I mustn't have been cheeping
you mustn't have been cheeping
she mustn't have been cheeping
we mustn't have been cheeping
you mustn't have been cheeping
they mustn't have been cheeping	

Forme interrogative 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
must I cheep?
must you cheep?
must she cheep?
must we cheep?
must you cheep?
must they cheep? 	must I be cheeping?
must you be cheeping?
must she be cheeping?
must we be cheeping?
must you be cheeping?
must they be cheeping? 	must I have cheeped?
must you have cheeped?
must she have cheeped?
must we have cheeped?
must you have cheeped?
must they have cheeped? 	must I have been cheeping?
must you have been cheeping?
must she have been cheeping?
must we have been cheeping?
must you have been cheeping?
must they have been cheeping? 	

Forme interro-négative 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
mustn't I cheep?
mustn't you cheep?
mustn't she cheep?
mustn't we cheep?
mustn't you cheep?
mustn't they cheep? 	mustn't I be cheeping?
mustn't you be cheeping?
mustn't she be cheeping?
mustn't we be cheeping?
mustn't you be cheeping?
mustn't they be cheeping? 	mustn't I have cheeped?
mustn't you have cheeped?
mustn't she have cheeped?
mustn't we have cheeped?
mustn't you have cheeped?
mustn't they have cheeped? 	mustn't I have been cheeping?
mustn't you have been cheeping?
mustn't she have been cheeping?
mustn't we have been cheeping?
mustn't you have been cheeping?
mustn't they have been cheeping?