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 must not tune
you must not tune
he must not tune
we must not tune
you must not tune
they must not tune 	I must not be tuning
you must not be tuning
he must not be tuning
we must not be tuning
you must not be tuning
they must not be tuning	I must not have tuned
you must not have tuned
he must not have tuned
we must not have tuned
you must not have tuned
they must not have tuned	I must not have been tuning
you must not have been tuning
he must not have been tuning
we must not have been tuning
you must not have been tuning
they must not 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 	
must I not tune?
must you not tune?
must he not tune?
must we not tune?
must you not tune?
must they not tune? 	must I not be tuning?
must you not be tuning?
must he not be tuning?
must we not be tuning?
must you not be tuning?
must they not be tuning? 	must I not have tuned?
must you not have tuned?
must he not have tuned?
must we not have tuned?
must you not have tuned?
must they not have tuned? 	must I not have been tuning?
must you not have been tuning?
must he not have been tuning?
must we not have been tuning?
must you not have been tuning?
must they not have been tuning?