English verb conjugation
COULD NECROSE

Regular verb: necrose - necrosed - necrosed

Affirmation

Simple form	V-ing form
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
Perfect	V-ing perfect
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

Negation

Simple form	V-ing form
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
Perfect	V-ing perfect
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

Interrogative form

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

Interro-negative form

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