could unchair
Verbe régulier : unchair - unchaired- unchaired

Affirmation 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
I could unchair
you could unchair
she could unchair
we could unchair
you could unchair
they could unchair 	I could be unchairing
you could be unchairing
she could be unchairing
we could be unchairing
you could be unchairing
they could be unchairing	I could have unchaired
you could have unchaired
she could have unchaired
we could have unchaired
you could have unchaired
they could have unchaired	I could have been unchairing
you could have been unchairing
she could have been unchairing
we could have been unchairing
you could have been unchairing
they could have been unchairing	

Négation 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
I couldn't unchair
you couldn't unchair
she couldn't unchair
we couldn't unchair
you couldn't unchair
they couldn't unchair 	I couldn't be unchairing
you couldn't be unchairing
she couldn't be unchairing
we couldn't be unchairing
you couldn't be unchairing
they couldn't be unchairing	I couldn't have unchaired
you couldn't have unchaired
she couldn't have unchaired
we couldn't have unchaired
you couldn't have unchaired
they couldn't have unchaired	I couldn't have been unchairing
you couldn't have been unchairing
she couldn't have been unchairing
we couldn't have been unchairing
you couldn't have been unchairing
they couldn't have been unchairing	

Forme interrogative 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
could I unchair?
could you unchair?
could she unchair?
could we unchair?
could you unchair?
could they unchair? 	could I be unchairing?
could you be unchairing?
could she be unchairing?
could we be unchairing?
could you be unchairing?
could they be unchairing? 	could I have unchaired?
could you have unchaired?
could she have unchaired?
could we have unchaired?
could you have unchaired?
could they have unchaired? 	could I have been unchairing?
could you have been unchairing?
could she have been unchairing?
could we have been unchairing?
could you have been unchairing?
could they have been unchairing? 	

Forme interro-négative 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
couldn't I unchair?
couldn't you unchair?
couldn't she unchair?
couldn't we unchair?
couldn't you unchair?
couldn't they unchair? 	couldn't I be unchairing?
couldn't you be unchairing?
couldn't she be unchairing?
couldn't we be unchairing?
couldn't you be unchairing?
couldn't they be unchairing? 	couldn't I have unchaired?
couldn't you have unchaired?
couldn't she have unchaired?
couldn't we have unchaired?
couldn't you have unchaired?
couldn't they have unchaired? 	couldn't I have been unchairing?
couldn't you have been unchairing?
couldn't she have been unchairing?
couldn't we have been unchairing?
couldn't you have been unchairing?
couldn't they have been unchairing?