could invalid
Verbe régulier : invalid - invalided- invalided
Traduction française : rendre infirme 

Affirmation 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
I could invalid
you could invalid
she could invalid
we could invalid
you could invalid
they could invalid 	I could be invaliding
you could be invaliding
she could be invaliding
we could be invaliding
you could be invaliding
they could be invaliding	I could have invalided
you could have invalided
she could have invalided
we could have invalided
you could have invalided
they could have invalided	I could have been invaliding
you could have been invaliding
she could have been invaliding
we could have been invaliding
you could have been invaliding
they could have been invaliding	

Négation 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
I could not invalid
you could not invalid
she could not invalid
we could not invalid
you could not invalid
they could not invalid 	I could not be invaliding
you could not be invaliding
she could not be invaliding
we could not be invaliding
you could not be invaliding
they could not be invaliding	I could not have invalided
you could not have invalided
she could not have invalided
we could not have invalided
you could not have invalided
they could not have invalided	I could not have been invaliding
you could not have been invaliding
she could not have been invaliding
we could not have been invaliding
you could not have been invaliding
they could not have been invaliding	

Forme interrogative 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
could I invalid?
could you invalid?
could she invalid?
could we invalid?
could you invalid?
could they invalid? 	could I be invaliding?
could you be invaliding?
could she be invaliding?
could we be invaliding?
could you be invaliding?
could they be invaliding? 	could I have invalided?
could you have invalided?
could she have invalided?
could we have invalided?
could you have invalided?
could they have invalided? 	could I have been invaliding?
could you have been invaliding?
could she have been invaliding?
could we have been invaliding?
could you have been invaliding?
could they have been invaliding? 	

Forme interro-négative 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
could I not invalid?
could you not invalid?
could she not invalid?
could we not invalid?
could you not invalid?
could they not invalid? 	could I not be invaliding?
could you not be invaliding?
could she not be invaliding?
could we not be invaliding?
could you not be invaliding?
could they not be invaliding? 	could I not have invalided?
could you not have invalided?
could she not have invalided?
could we not have invalided?
could you not have invalided?
could they not have invalided? 	could I not have been invaliding?
could you not have been invaliding?
could she not have been invaliding?
could we not have been invaliding?
could you not have been invaliding?
could they not have been invaliding?