could supererogate
Verbe régulier : supererogate - supererogated- supererogated

Affirmation 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
I could supererogate
you could supererogate
he could supererogate
we could supererogate
you could supererogate
they could supererogate 	I could be supererogating
you could be supererogating
he could be supererogating
we could be supererogating
you could be supererogating
they could be supererogating	I could have supererogated
you could have supererogated
he could have supererogated
we could have supererogated
you could have supererogated
they could have supererogated	I could have been supererogating
you could have been supererogating
he could have been supererogating
we could have been supererogating
you could have been supererogating
they could have been supererogating	

Négation 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
I couldn't supererogate
you couldn't supererogate
he couldn't supererogate
we couldn't supererogate
you couldn't supererogate
they couldn't supererogate 	I couldn't be supererogating
you couldn't be supererogating
he couldn't be supererogating
we couldn't be supererogating
you couldn't be supererogating
they couldn't be supererogating	I couldn't have supererogated
you couldn't have supererogated
he couldn't have supererogated
we couldn't have supererogated
you couldn't have supererogated
they couldn't have supererogated	I couldn't have been supererogating
you couldn't have been supererogating
he couldn't have been supererogating
we couldn't have been supererogating
you couldn't have been supererogating
they couldn't have been supererogating	

Forme interrogative 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
could I supererogate?
could you supererogate?
could he supererogate?
could we supererogate?
could you supererogate?
could they supererogate? 	could I be supererogating?
could you be supererogating?
could he be supererogating?
could we be supererogating?
could you be supererogating?
could they be supererogating? 	could I have supererogated?
could you have supererogated?
could he have supererogated?
could we have supererogated?
could you have supererogated?
could they have supererogated? 	could I have been supererogating?
could you have been supererogating?
could he have been supererogating?
could we have been supererogating?
could you have been supererogating?
could they have been supererogating? 	

Forme interro-négative 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
couldn't I supererogate?
couldn't you supererogate?
couldn't he supererogate?
couldn't we supererogate?
couldn't you supererogate?
couldn't they supererogate? 	couldn't I be supererogating?
couldn't you be supererogating?
couldn't he be supererogating?
couldn't we be supererogating?
couldn't you be supererogating?
couldn't they be supererogating? 	couldn't I have supererogated?
couldn't you have supererogated?
couldn't he have supererogated?
couldn't we have supererogated?
couldn't you have supererogated?
couldn't they have supererogated? 	couldn't I have been supererogating?
couldn't you have been supererogating?
couldn't he have been supererogating?
couldn't we have been supererogating?
couldn't you have been supererogating?
couldn't they have been supererogating?