could necrose
Regular verb: necrose - necrosed- necrosed

Affirmation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I could necrose
you could necrose
she could necrose
we could necrose
you could necrose
they could necrose 	I could be necrosing
you could be necrosing
she could be necrosing
we could be necrosing
you could be necrosing
they could be necrosing	I could have necrosed
you could have necrosed
she 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
she could have been necrosing
we could have been necrosing
you could have been necrosing
they could have been necrosing	

Negation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I could not necrose
you could not necrose
she could not necrose
we could not necrose
you could not necrose
they could not necrose 	I could not be necrosing
you could not be necrosing
she could not be necrosing
we could not be necrosing
you could not be necrosing
they could not be necrosing	I could not have necrosed
you could not have necrosed
she could not have necrosed
we could not have necrosed
you could not have necrosed
they could not have necrosed	I could not have been necrosing
you could not have been necrosing
she could not have been necrosing
we could not have been necrosing
you could not have been necrosing
they could not have been necrosing	

Interrogative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
could I necrose?
could you necrose?
could she necrose?
could we necrose?
could you necrose?
could they necrose? 	could I be necrosing?
could you be necrosing?
could she be necrosing?
could we be necrosing?
could you be necrosing?
could they be necrosing? 	could I have necrosed?
could you have necrosed?
could she 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 she have been necrosing?
could we have been necrosing?
could you have been necrosing?
could they have been necrosing? 	

Interro-negative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
could I not necrose?
could you not necrose?
could she not necrose?
could we not necrose?
could you not necrose?
could they not necrose? 	could I not be necrosing?
could you not be necrosing?
could she not be necrosing?
could we not be necrosing?
could you not be necrosing?
could they not be necrosing? 	could I not have necrosed?
could you not have necrosed?
could she not have necrosed?
could we not have necrosed?
could you not have necrosed?
could they not have necrosed? 	could I not have been necrosing?
could you not have been necrosing?
could she not have been necrosing?
could we not have been necrosing?
could you not have been necrosing?
could they not have been necrosing?