could protocol
Verbe régulier : protocol - protocoled- protocoled

Affirmation 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
I could protocol
you could protocol
she could protocol
we could protocol
you could protocol
they could protocol 	I could be protocoling
you could be protocoling
she could be protocoling
we could be protocoling
you could be protocoling
they could be protocoling	I could have protocoled
you could have protocoled
she could have protocoled
we could have protocoled
you could have protocoled
they could have protocoled	I could have been protocoling
you could have been protocoling
she could have been protocoling
we could have been protocoling
you could have been protocoling
they could have been protocoling	

Négation 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
I couldn't protocol
you couldn't protocol
she couldn't protocol
we couldn't protocol
you couldn't protocol
they couldn't protocol 	I couldn't be protocoling
you couldn't be protocoling
she couldn't be protocoling
we couldn't be protocoling
you couldn't be protocoling
they couldn't be protocoling	I couldn't have protocoled
you couldn't have protocoled
she couldn't have protocoled
we couldn't have protocoled
you couldn't have protocoled
they couldn't have protocoled	I couldn't have been protocoling
you couldn't have been protocoling
she couldn't have been protocoling
we couldn't have been protocoling
you couldn't have been protocoling
they couldn't have been protocoling	

Forme interrogative 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
could I protocol?
could you protocol?
could she protocol?
could we protocol?
could you protocol?
could they protocol? 	could I be protocoling?
could you be protocoling?
could she be protocoling?
could we be protocoling?
could you be protocoling?
could they be protocoling? 	could I have protocoled?
could you have protocoled?
could she have protocoled?
could we have protocoled?
could you have protocoled?
could they have protocoled? 	could I have been protocoling?
could you have been protocoling?
could she have been protocoling?
could we have been protocoling?
could you have been protocoling?
could they have been protocoling? 	

Forme interro-négative 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
couldn't I protocol?
couldn't you protocol?
couldn't she protocol?
couldn't we protocol?
couldn't you protocol?
couldn't they protocol? 	couldn't I be protocoling?
couldn't you be protocoling?
couldn't she be protocoling?
couldn't we be protocoling?
couldn't you be protocoling?
couldn't they be protocoling? 	couldn't I have protocoled?
couldn't you have protocoled?
couldn't she have protocoled?
couldn't we have protocoled?
couldn't you have protocoled?
couldn't they have protocoled? 	couldn't I have been protocoling?
couldn't you have been protocoling?
couldn't she have been protocoling?
couldn't we have been protocoling?
couldn't you have been protocoling?
couldn't they have been protocoling?