could blackguard
Verbe régulier : blackguard - blackguarded- blackguarded

Affirmation 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
I could blackguard
you could blackguard
she could blackguard
we could blackguard
you could blackguard
they could blackguard 	I could be blackguarding
you could be blackguarding
she could be blackguarding
we could be blackguarding
you could be blackguarding
they could be blackguarding	I could have blackguarded
you could have blackguarded
she could have blackguarded
we could have blackguarded
you could have blackguarded
they could have blackguarded	I could have been blackguarding
you could have been blackguarding
she could have been blackguarding
we could have been blackguarding
you could have been blackguarding
they could have been blackguarding	

Négation 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
I couldn't blackguard
you couldn't blackguard
she couldn't blackguard
we couldn't blackguard
you couldn't blackguard
they couldn't blackguard 	I couldn't be blackguarding
you couldn't be blackguarding
she couldn't be blackguarding
we couldn't be blackguarding
you couldn't be blackguarding
they couldn't be blackguarding	I couldn't have blackguarded
you couldn't have blackguarded
she couldn't have blackguarded
we couldn't have blackguarded
you couldn't have blackguarded
they couldn't have blackguarded	I couldn't have been blackguarding
you couldn't have been blackguarding
she couldn't have been blackguarding
we couldn't have been blackguarding
you couldn't have been blackguarding
they couldn't have been blackguarding	

Forme interrogative 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
could I blackguard?
could you blackguard?
could she blackguard?
could we blackguard?
could you blackguard?
could they blackguard? 	could I be blackguarding?
could you be blackguarding?
could she be blackguarding?
could we be blackguarding?
could you be blackguarding?
could they be blackguarding? 	could I have blackguarded?
could you have blackguarded?
could she have blackguarded?
could we have blackguarded?
could you have blackguarded?
could they have blackguarded? 	could I have been blackguarding?
could you have been blackguarding?
could she have been blackguarding?
could we have been blackguarding?
could you have been blackguarding?
could they have been blackguarding? 	

Forme interro-négative 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
couldn't I blackguard?
couldn't you blackguard?
couldn't she blackguard?
couldn't we blackguard?
couldn't you blackguard?
couldn't they blackguard? 	couldn't I be blackguarding?
couldn't you be blackguarding?
couldn't she be blackguarding?
couldn't we be blackguarding?
couldn't you be blackguarding?
couldn't they be blackguarding? 	couldn't I have blackguarded?
couldn't you have blackguarded?
couldn't she have blackguarded?
couldn't we have blackguarded?
couldn't you have blackguarded?
couldn't they have blackguarded? 	couldn't I have been blackguarding?
couldn't you have been blackguarding?
couldn't she have been blackguarding?
couldn't we have been blackguarding?
couldn't you have been blackguarding?
couldn't they have been blackguarding?