must vittle
Verbe régulier : vittle - vittled- vittled

Affirmation 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
I must vittle
you must vittle
she must vittle
we must vittle
you must vittle
they must vittle 	I must be vittling
you must be vittling
she must be vittling
we must be vittling
you must be vittling
they must be vittling	I must have vittled
you must have vittled
she must have vittled
we must have vittled
you must have vittled
they must have vittled	I must have been vittling
you must have been vittling
she must have been vittling
we must have been vittling
you must have been vittling
they must have been vittling	

Négation 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
I mustn't vittle
you mustn't vittle
she mustn't vittle
we mustn't vittle
you mustn't vittle
they mustn't vittle 	I mustn't be vittling
you mustn't be vittling
she mustn't be vittling
we mustn't be vittling
you mustn't be vittling
they mustn't be vittling	I mustn't have vittled
you mustn't have vittled
she mustn't have vittled
we mustn't have vittled
you mustn't have vittled
they mustn't have vittled	I mustn't have been vittling
you mustn't have been vittling
she mustn't have been vittling
we mustn't have been vittling
you mustn't have been vittling
they mustn't have been vittling	

Forme interrogative 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
must I vittle?
must you vittle?
must she vittle?
must we vittle?
must you vittle?
must they vittle? 	must I be vittling?
must you be vittling?
must she be vittling?
must we be vittling?
must you be vittling?
must they be vittling? 	must I have vittled?
must you have vittled?
must she have vittled?
must we have vittled?
must you have vittled?
must they have vittled? 	must I have been vittling?
must you have been vittling?
must she have been vittling?
must we have been vittling?
must you have been vittling?
must they have been vittling? 	

Forme interro-négative 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
mustn't I vittle?
mustn't you vittle?
mustn't she vittle?
mustn't we vittle?
mustn't you vittle?
mustn't they vittle? 	mustn't I be vittling?
mustn't you be vittling?
mustn't she be vittling?
mustn't we be vittling?
mustn't you be vittling?
mustn't they be vittling? 	mustn't I have vittled?
mustn't you have vittled?
mustn't she have vittled?
mustn't we have vittled?
mustn't you have vittled?
mustn't they have vittled? 	mustn't I have been vittling?
mustn't you have been vittling?
mustn't she have been vittling?
mustn't we have been vittling?
mustn't you have been vittling?
mustn't they have been vittling?