must tune
Verbe régulier : tune - tuned- tuned
Traduction française : accorder - mettre au point 

Affirmation 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
I must tune
you must tune
he must tune
we must tune
you must tune
they must tune 	I must be tuning
you must be tuning
he must be tuning
we must be tuning
you must be tuning
they must be tuning	I must have tuned
you must have tuned
he must have tuned
we must have tuned
you must have tuned
they must have tuned	I must have been tuning
you must have been tuning
he must have been tuning
we must have been tuning
you must have been tuning
they must have been tuning	

Négation 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
I mustn't tune
you mustn't tune
he mustn't tune
we mustn't tune
you mustn't tune
they mustn't tune 	I mustn't be tuning
you mustn't be tuning
he mustn't be tuning
we mustn't be tuning
you mustn't be tuning
they mustn't be tuning	I mustn't have tuned
you mustn't have tuned
he mustn't have tuned
we mustn't have tuned
you mustn't have tuned
they mustn't have tuned	I mustn't have been tuning
you mustn't have been tuning
he mustn't have been tuning
we mustn't have been tuning
you mustn't have been tuning
they mustn't have been tuning	

Forme interrogative 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
must I tune?
must you tune?
must he tune?
must we tune?
must you tune?
must they tune? 	must I be tuning?
must you be tuning?
must he be tuning?
must we be tuning?
must you be tuning?
must they be tuning? 	must I have tuned?
must you have tuned?
must he have tuned?
must we have tuned?
must you have tuned?
must they have tuned? 	must I have been tuning?
must you have been tuning?
must he have been tuning?
must we have been tuning?
must you have been tuning?
must they have been tuning? 	

Forme interro-négative 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
mustn't I tune?
mustn't you tune?
mustn't he tune?
mustn't we tune?
mustn't you tune?
mustn't they tune? 	mustn't I be tuning?
mustn't you be tuning?
mustn't he be tuning?
mustn't we be tuning?
mustn't you be tuning?
mustn't they be tuning? 	mustn't I have tuned?
mustn't you have tuned?
mustn't he have tuned?
mustn't we have tuned?
mustn't you have tuned?
mustn't they have tuned? 	mustn't I have been tuning?
mustn't you have been tuning?
mustn't he have been tuning?
mustn't we have been tuning?
mustn't you have been tuning?
mustn't they have been tuning?