English verb conjugation
COULD REOCCUR

Regular verb: reoccur - reoccured - reoccured

Affirmation

Simple form	V-ing form
I could reoccur you could reoccur he could reoccur we could reoccur you could reoccur they could reoccur	I could be reoccuring you could be reoccuring he could be reoccuring we could be reoccuring you could be reoccuring they could be reoccuring
Perfect	V-ing perfect
I could have reoccured you could have reoccured he could have reoccured we could have reoccured you could have reoccured they could have reoccured	I could have been reoccuring you could have been reoccuring he could have been reoccuring we could have been reoccuring you could have been reoccuring they could have been reoccuring

Negation

Simple form	V-ing form
I could not reoccur you could not reoccur he could not reoccur we could not reoccur you could not reoccur they could not reoccur	I could not be reoccuring you could not be reoccuring he could not be reoccuring we could not be reoccuring you could not be reoccuring they could not be reoccuring
Perfect	V-ing perfect
I could not have reoccured you could not have reoccured he could not have reoccured we could not have reoccured you could not have reoccured they could not have reoccured	I could not have been reoccuring you could not have been reoccuring he could not have been reoccuring we could not have been reoccuring you could not have been reoccuring they could not have been reoccuring

Interrogative form

Simple form	V-ing form
could I reoccur? could you reoccur? could he reoccur? could we reoccur? could you reoccur? could they reoccur?	could I be reoccuring? could you be reoccuring? could he be reoccuring? could we be reoccuring? could you be reoccuring? could they be reoccuring?
Perfect	V-ing perfect
could I have reoccured? could you have reoccured? could he have reoccured? could we have reoccured? could you have reoccured? could they have reoccured?	could I have been reoccuring? could you have been reoccuring? could he have been reoccuring? could we have been reoccuring? could you have been reoccuring? could they have been reoccuring?

Interro-negative form

Simple form	V-ing form
could I not reoccur? could you not reoccur? could he not reoccur? could we not reoccur? could you not reoccur? could they not reoccur?	could I not be reoccuring? could you not be reoccuring? could he not be reoccuring? could we not be reoccuring? could you not be reoccuring? could they not be reoccuring?
Perfect	V-ing perfect
could I not have reoccured? could you not have reoccured? could he not have reoccured? could we not have reoccured? could you not have reoccured? could they not have reoccured?	could I not have been reoccuring? could you not have been reoccuring? could he not have been reoccuring? could we not have been reoccuring? could you not have been reoccuring? could they not have been reoccuring?