could 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 could tune
you could tune
she could tune
we could tune
you could tune
they could tune 	I could be tuning
you could be tuning
she could be tuning
we could be tuning
you could be tuning
they could be tuning	I could have tuned
you could have tuned
she could have tuned
we could have tuned
you could have tuned
they could have tuned	I could have been tuning
you could have been tuning
she could have been tuning
we could have been tuning
you could have been tuning
they could have been tuning	

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

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

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