could untwist
Verbe régulier : untwist - untwisted- untwisted

Affirmation 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
I could untwist
you could untwist
she could untwist
we could untwist
you could untwist
they could untwist 	I could be untwisting
you could be untwisting
she could be untwisting
we could be untwisting
you could be untwisting
they could be untwisting	I could have untwisted
you could have untwisted
she could have untwisted
we could have untwisted
you could have untwisted
they could have untwisted	I could have been untwisting
you could have been untwisting
she could have been untwisting
we could have been untwisting
you could have been untwisting
they could have been untwisting	

Négation 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
I couldn't untwist
you couldn't untwist
she couldn't untwist
we couldn't untwist
you couldn't untwist
they couldn't untwist 	I couldn't be untwisting
you couldn't be untwisting
she couldn't be untwisting
we couldn't be untwisting
you couldn't be untwisting
they couldn't be untwisting	I couldn't have untwisted
you couldn't have untwisted
she couldn't have untwisted
we couldn't have untwisted
you couldn't have untwisted
they couldn't have untwisted	I couldn't have been untwisting
you couldn't have been untwisting
she couldn't have been untwisting
we couldn't have been untwisting
you couldn't have been untwisting
they couldn't have been untwisting	

Forme interrogative 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
could I untwist?
could you untwist?
could she untwist?
could we untwist?
could you untwist?
could they untwist? 	could I be untwisting?
could you be untwisting?
could she be untwisting?
could we be untwisting?
could you be untwisting?
could they be untwisting? 	could I have untwisted?
could you have untwisted?
could she have untwisted?
could we have untwisted?
could you have untwisted?
could they have untwisted? 	could I have been untwisting?
could you have been untwisting?
could she have been untwisting?
could we have been untwisting?
could you have been untwisting?
could they have been untwisting? 	

Forme interro-négative 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
couldn't I untwist?
couldn't you untwist?
couldn't she untwist?
couldn't we untwist?
couldn't you untwist?
couldn't they untwist? 	couldn't I be untwisting?
couldn't you be untwisting?
couldn't she be untwisting?
couldn't we be untwisting?
couldn't you be untwisting?
couldn't they be untwisting? 	couldn't I have untwisted?
couldn't you have untwisted?
couldn't she have untwisted?
couldn't we have untwisted?
couldn't you have untwisted?
couldn't they have untwisted? 	couldn't I have been untwisting?
couldn't you have been untwisting?
couldn't she have been untwisting?
couldn't we have been untwisting?
couldn't you have been untwisting?
couldn't they have been untwisting?