could untwine
Verbe régulier : untwine - untwined- untwined

Affirmation 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
I could untwine
you could untwine
he could untwine
we could untwine
you could untwine
they could untwine 	I could be untwining
you could be untwining
he could be untwining
we could be untwining
you could be untwining
they could be untwining	I could have untwined
you could have untwined
he could have untwined
we could have untwined
you could have untwined
they could have untwined	I could have been untwining
you could have been untwining
he could have been untwining
we could have been untwining
you could have been untwining
they could have been untwining	

Négation 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
I couldn't untwine
you couldn't untwine
he couldn't untwine
we couldn't untwine
you couldn't untwine
they couldn't untwine 	I couldn't be untwining
you couldn't be untwining
he couldn't be untwining
we couldn't be untwining
you couldn't be untwining
they couldn't be untwining	I couldn't have untwined
you couldn't have untwined
he couldn't have untwined
we couldn't have untwined
you couldn't have untwined
they couldn't have untwined	I couldn't have been untwining
you couldn't have been untwining
he couldn't have been untwining
we couldn't have been untwining
you couldn't have been untwining
they couldn't have been untwining	

Forme interrogative 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
could I untwine?
could you untwine?
could he untwine?
could we untwine?
could you untwine?
could they untwine? 	could I be untwining?
could you be untwining?
could he be untwining?
could we be untwining?
could you be untwining?
could they be untwining? 	could I have untwined?
could you have untwined?
could he have untwined?
could we have untwined?
could you have untwined?
could they have untwined? 	could I have been untwining?
could you have been untwining?
could he have been untwining?
could we have been untwining?
could you have been untwining?
could they have been untwining? 	

Forme interro-négative 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
couldn't I untwine?
couldn't you untwine?
couldn't he untwine?
couldn't we untwine?
couldn't you untwine?
couldn't they untwine? 	couldn't I be untwining?
couldn't you be untwining?
couldn't he be untwining?
couldn't we be untwining?
couldn't you be untwining?
couldn't they be untwining? 	couldn't I have untwined?
couldn't you have untwined?
couldn't he have untwined?
couldn't we have untwined?
couldn't you have untwined?
couldn't they have untwined? 	couldn't I have been untwining?
couldn't you have been untwining?
couldn't he have been untwining?
couldn't we have been untwining?
couldn't you have been untwining?
couldn't they have been untwining?