could necrose
Verbe régulier : necrose - necrosed- necrosed

Affirmation 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
I could necrose
you could necrose
he could necrose
we could necrose
you could necrose
they could necrose 	I could be necrosing
you could be necrosing
he could be necrosing
we could be necrosing
you could be necrosing
they could be necrosing	I could have necrosed
you could have necrosed
he could have necrosed
we could have necrosed
you could have necrosed
they could have necrosed	I could have been necrosing
you could have been necrosing
he could have been necrosing
we could have been necrosing
you could have been necrosing
they could have been necrosing	

Négation 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
I couldn't necrose
you couldn't necrose
he couldn't necrose
we couldn't necrose
you couldn't necrose
they couldn't necrose 	I couldn't be necrosing
you couldn't be necrosing
he couldn't be necrosing
we couldn't be necrosing
you couldn't be necrosing
they couldn't be necrosing	I couldn't have necrosed
you couldn't have necrosed
he couldn't have necrosed
we couldn't have necrosed
you couldn't have necrosed
they couldn't have necrosed	I couldn't have been necrosing
you couldn't have been necrosing
he couldn't have been necrosing
we couldn't have been necrosing
you couldn't have been necrosing
they couldn't have been necrosing	

Forme interrogative 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
could I necrose?
could you necrose?
could he necrose?
could we necrose?
could you necrose?
could they necrose? 	could I be necrosing?
could you be necrosing?
could he be necrosing?
could we be necrosing?
could you be necrosing?
could they be necrosing? 	could I have necrosed?
could you have necrosed?
could he have necrosed?
could we have necrosed?
could you have necrosed?
could they have necrosed? 	could I have been necrosing?
could you have been necrosing?
could he have been necrosing?
could we have been necrosing?
could you have been necrosing?
could they have been necrosing? 	

Forme interro-négative 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
couldn't I necrose?
couldn't you necrose?
couldn't he necrose?
couldn't we necrose?
couldn't you necrose?
couldn't they necrose? 	couldn't I be necrosing?
couldn't you be necrosing?
couldn't he be necrosing?
couldn't we be necrosing?
couldn't you be necrosing?
couldn't they be necrosing? 	couldn't I have necrosed?
couldn't you have necrosed?
couldn't he have necrosed?
couldn't we have necrosed?
couldn't you have necrosed?
couldn't they have necrosed? 	couldn't I have been necrosing?
couldn't you have been necrosing?
couldn't he have been necrosing?
couldn't we have been necrosing?
couldn't you have been necrosing?
couldn't they have been necrosing?