English verb conjugation
COULD DISAPPEAR DISAPPEAR

Regular verb: disappear disappear - disappear disappeared - disappear disappeared

Warning, this verb may not exist. Conjugation is given as example.

Affirmation

Simple form	V-ing form
I could disappear disappear you could disappear disappear she could disappear disappear we could disappear disappear you could disappear disappear they could disappear disappear	I could be disappear disappearing you could be disappear disappearing she could be disappear disappearing we could be disappear disappearing you could be disappear disappearing they could be disappear disappearing
Perfect	V-ing perfect
I could have disappear disappeared you could have disappear disappeared she could have disappear disappeared we could have disappear disappeared you could have disappear disappeared they could have disappear disappeared	I could have been disappear disappearing you could have been disappear disappearing she could have been disappear disappearing we could have been disappear disappearing you could have been disappear disappearing they could have been disappear disappearing

Negation

Simple form	V-ing form
I could not disappear disappear you could not disappear disappear she could not disappear disappear we could not disappear disappear you could not disappear disappear they could not disappear disappear	I could not be disappear disappearing you could not be disappear disappearing she could not be disappear disappearing we could not be disappear disappearing you could not be disappear disappearing they could not be disappear disappearing
Perfect	V-ing perfect
I could not have disappear disappeared you could not have disappear disappeared she could not have disappear disappeared we could not have disappear disappeared you could not have disappear disappeared they could not have disappear disappeared	I could not have been disappear disappearing you could not have been disappear disappearing she could not have been disappear disappearing we could not have been disappear disappearing you could not have been disappear disappearing they could not have been disappear disappearing

Interrogative form

Simple form	V-ing form
could I disappear disappear? could you disappear disappear? could she disappear disappear? could we disappear disappear? could you disappear disappear? could they disappear disappear?	could I be disappear disappearing? could you be disappear disappearing? could she be disappear disappearing? could we be disappear disappearing? could you be disappear disappearing? could they be disappear disappearing?
Perfect	V-ing perfect
could I have disappear disappeared? could you have disappear disappeared? could she have disappear disappeared? could we have disappear disappeared? could you have disappear disappeared? could they have disappear disappeared?	could I have been disappear disappearing? could you have been disappear disappearing? could she have been disappear disappearing? could we have been disappear disappearing? could you have been disappear disappearing? could they have been disappear disappearing?

Interro-negative form

Simple form	V-ing form
could I not disappear disappear? could you not disappear disappear? could she not disappear disappear? could we not disappear disappear? could you not disappear disappear? could they not disappear disappear?	could I not be disappear disappearing? could you not be disappear disappearing? could she not be disappear disappearing? could we not be disappear disappearing? could you not be disappear disappearing? could they not be disappear disappearing?
Perfect	V-ing perfect
could I not have disappear disappeared? could you not have disappear disappeared? could she not have disappear disappeared? could we not have disappear disappeared? could you not have disappear disappeared? could they not have disappear disappeared?	could I not have been disappear disappearing? could you not have been disappear disappearing? could she not have been disappear disappearing? could we not have been disappear disappearing? could you not have been disappear disappearing? could they not have been disappear disappearing?