must fin
Verbe régulier : fin - fined- fined

Affirmation 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
I must fin
you must fin
he must fin
we must fin
you must fin
they must fin 	I must be fining
you must be fining
he must be fining
we must be fining
you must be fining
they must be fining	I must have fined
you must have fined
he must have fined
we must have fined
you must have fined
they must have fined	I must have been fining
you must have been fining
he must have been fining
we must have been fining
you must have been fining
they must have been fining	

Négation 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
I mustn't fin
you mustn't fin
he mustn't fin
we mustn't fin
you mustn't fin
they mustn't fin 	I mustn't be fining
you mustn't be fining
he mustn't be fining
we mustn't be fining
you mustn't be fining
they mustn't be fining	I mustn't have fined
you mustn't have fined
he mustn't have fined
we mustn't have fined
you mustn't have fined
they mustn't have fined	I mustn't have been fining
you mustn't have been fining
he mustn't have been fining
we mustn't have been fining
you mustn't have been fining
they mustn't have been fining	

Forme interrogative 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
must I fin?
must you fin?
must he fin?
must we fin?
must you fin?
must they fin? 	must I be fining?
must you be fining?
must he be fining?
must we be fining?
must you be fining?
must they be fining? 	must I have fined?
must you have fined?
must he have fined?
must we have fined?
must you have fined?
must they have fined? 	must I have been fining?
must you have been fining?
must he have been fining?
must we have been fining?
must you have been fining?
must they have been fining? 	

Forme interro-négative 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
mustn't I fin?
mustn't you fin?
mustn't he fin?
mustn't we fin?
mustn't you fin?
mustn't they fin? 	mustn't I be fining?
mustn't you be fining?
mustn't he be fining?
mustn't we be fining?
mustn't you be fining?
mustn't they be fining? 	mustn't I have fined?
mustn't you have fined?
mustn't he have fined?
mustn't we have fined?
mustn't you have fined?
mustn't they have fined? 	mustn't I have been fining?
mustn't you have been fining?
mustn't he have been fining?
mustn't we have been fining?
mustn't you have been fining?
mustn't they have been fining?