English verb conjugation
COULD NECROSE

Regular verb: necrose - necrosed - necrosed

Affirmation

Simple form	V-ing form
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
Perfect	V-ing perfect
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
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
Perfect	V-ing perfect
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
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?
Perfect	V-ing perfect
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
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?
Perfect	V-ing perfect
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?