Warning, this verb may not exist. Conjugation is given as example.
Affirmation
Simple form
I could burgeon burgeon you could burgeon burgeon she could burgeon burgeon we could burgeon burgeon you could burgeon burgeon they could burgeon burgeon
V-ing form
I could be burgeon burgeoning you could be burgeon burgeoning she could be burgeon burgeoning we could be burgeon burgeoning you could be burgeon burgeoning they could be burgeon burgeoning
Perfect
I could have burgeon burgeoned you could have burgeon burgeoned she could have burgeon burgeoned we could have burgeon burgeoned you could have burgeon burgeoned they could have burgeon burgeoned
V-ing perfect
I could have been burgeon burgeoning you could have been burgeon burgeoning she could have been burgeon burgeoning we could have been burgeon burgeoning you could have been burgeon burgeoning they could have been burgeon burgeoning
Negation
Simple form
I could not burgeon burgeon you could not burgeon burgeon she could not burgeon burgeon we could not burgeon burgeon you could not burgeon burgeon they could not burgeon burgeon
V-ing form
I could not be burgeon burgeoning you could not be burgeon burgeoning she could not be burgeon burgeoning we could not be burgeon burgeoning you could not be burgeon burgeoning they could not be burgeon burgeoning
Perfect
I could not have burgeon burgeoned you could not have burgeon burgeoned she could not have burgeon burgeoned we could not have burgeon burgeoned you could not have burgeon burgeoned they could not have burgeon burgeoned
V-ing perfect
I could not have been burgeon burgeoning you could not have been burgeon burgeoning she could not have been burgeon burgeoning we could not have been burgeon burgeoning you could not have been burgeon burgeoning they could not have been burgeon burgeoning
Interrogative form
Simple form
could I burgeon burgeon? could you burgeon burgeon? could she burgeon burgeon? could we burgeon burgeon? could you burgeon burgeon? could they burgeon burgeon?
V-ing form
could I be burgeon burgeoning? could you be burgeon burgeoning? could she be burgeon burgeoning? could we be burgeon burgeoning? could you be burgeon burgeoning? could they be burgeon burgeoning?
Perfect
could I have burgeon burgeoned? could you have burgeon burgeoned? could she have burgeon burgeoned? could we have burgeon burgeoned? could you have burgeon burgeoned? could they have burgeon burgeoned?
V-ing perfect
could I have been burgeon burgeoning? could you have been burgeon burgeoning? could she have been burgeon burgeoning? could we have been burgeon burgeoning? could you have been burgeon burgeoning? could they have been burgeon burgeoning?
Interro-negative form
Simple form
could I not burgeon burgeon? could you not burgeon burgeon? could she not burgeon burgeon? could we not burgeon burgeon? could you not burgeon burgeon? could they not burgeon burgeon?
V-ing form
could I not be burgeon burgeoning? could you not be burgeon burgeoning? could she not be burgeon burgeoning? could we not be burgeon burgeoning? could you not be burgeon burgeoning? could they not be burgeon burgeoning?
Perfect
could I not have burgeon burgeoned? could you not have burgeon burgeoned? could she not have burgeon burgeoned? could we not have burgeon burgeoned? could you not have burgeon burgeoned? could they not have burgeon burgeoned?
V-ing perfect
could I not have been burgeon burgeoning? could you not have been burgeon burgeoning? could she not have been burgeon burgeoning? could we not have been burgeon burgeoning? could you not have been burgeon burgeoning? could they not have been burgeon burgeoning?