could untune
Verbe régulier : untune - untuned- untuned

Affirmation 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
I could untune
you could untune
she could untune
we could untune
you could untune
they could untune 	I could be untuning
you could be untuning
she could be untuning
we could be untuning
you could be untuning
they could be untuning	I could have untuned
you could have untuned
she could have untuned
we could have untuned
you could have untuned
they could have untuned	I could have been untuning
you could have been untuning
she could have been untuning
we could have been untuning
you could have been untuning
they could have been untuning	

Négation 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
I couldn't untune
you couldn't untune
she couldn't untune
we couldn't untune
you couldn't untune
they couldn't untune 	I couldn't be untuning
you couldn't be untuning
she couldn't be untuning
we couldn't be untuning
you couldn't be untuning
they couldn't be untuning	I couldn't have untuned
you couldn't have untuned
she couldn't have untuned
we couldn't have untuned
you couldn't have untuned
they couldn't have untuned	I couldn't have been untuning
you couldn't have been untuning
she couldn't have been untuning
we couldn't have been untuning
you couldn't have been untuning
they couldn't have been untuning	

Forme interrogative 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
could I untune?
could you untune?
could she untune?
could we untune?
could you untune?
could they untune? 	could I be untuning?
could you be untuning?
could she be untuning?
could we be untuning?
could you be untuning?
could they be untuning? 	could I have untuned?
could you have untuned?
could she have untuned?
could we have untuned?
could you have untuned?
could they have untuned? 	could I have been untuning?
could you have been untuning?
could she have been untuning?
could we have been untuning?
could you have been untuning?
could they have been untuning? 	

Forme interro-négative 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
couldn't I untune?
couldn't you untune?
couldn't she untune?
couldn't we untune?
couldn't you untune?
couldn't they untune? 	couldn't I be untuning?
couldn't you be untuning?
couldn't she be untuning?
couldn't we be untuning?
couldn't you be untuning?
couldn't they be untuning? 	couldn't I have untuned?
couldn't you have untuned?
couldn't she have untuned?
couldn't we have untuned?
couldn't you have untuned?
couldn't they have untuned? 	couldn't I have been untuning?
couldn't you have been untuning?
couldn't she have been untuning?
couldn't we have been untuning?
couldn't you have been untuning?
couldn't they have been untuning?