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 couldn't reoccur you couldn't reoccur he couldn't reoccur we couldn't reoccur you couldn't reoccur they couldn't reoccur	I couldn't be reoccuring you couldn't be reoccuring he couldn't be reoccuring we couldn't be reoccuring you couldn't be reoccuring they couldn't be reoccuring
Perfect	V-ing perfect
I couldn't have reoccured you couldn't have reoccured he couldn't have reoccured we couldn't have reoccured you couldn't have reoccured they couldn't have reoccured	I couldn't have been reoccuring you couldn't have been reoccuring he couldn't have been reoccuring we couldn't have been reoccuring you couldn't have been reoccuring they couldn't 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
couldn't I reoccur? couldn't you reoccur? couldn't he reoccur? couldn't we reoccur? couldn't you reoccur? couldn't they reoccur?	couldn't I be reoccuring? couldn't you be reoccuring? couldn't he be reoccuring? couldn't we be reoccuring? couldn't you be reoccuring? couldn't they be reoccuring?
Perfect	V-ing perfect
couldn't I have reoccured? couldn't you have reoccured? couldn't he have reoccured? couldn't we have reoccured? couldn't you have reoccured? couldn't they have reoccured?	couldn't I have been reoccuring? couldn't you have been reoccuring? couldn't he have been reoccuring? couldn't we have been reoccuring? couldn't you have been reoccuring? couldn't they have been reoccuring?