Warning, this verb may not exist. Conjugation is given as example.
Affirmation
Simple form
I might regret regret you might regret regret he might regret regret we might regret regret you might regret regret they might regret regret
V-ing form
I might be regret regreting you might be regret regreting he might be regret regreting we might be regret regreting you might be regret regreting they might be regret regreting
Perfect
I might have regret regreted you might have regret regreted he might have regret regreted we might have regret regreted you might have regret regreted they might have regret regreted
V-ing perfect
I might have been regret regreting you might have been regret regreting he might have been regret regreting we might have been regret regreting you might have been regret regreting they might have been regret regreting
Negation
Simple form
I might not regret regret you might not regret regret he might not regret regret we might not regret regret you might not regret regret they might not regret regret
V-ing form
I might not be regret regreting you might not be regret regreting he might not be regret regreting we might not be regret regreting you might not be regret regreting they might not be regret regreting
Perfect
I might not have regret regreted you might not have regret regreted he might not have regret regreted we might not have regret regreted you might not have regret regreted they might not have regret regreted
V-ing perfect
I might not have been regret regreting you might not have been regret regreting he might not have been regret regreting we might not have been regret regreting you might not have been regret regreting they might not have been regret regreting
Interrogative form
Simple form
might I regret regret? might you regret regret? might he regret regret? might we regret regret? might you regret regret? might they regret regret?
V-ing form
might I be regret regreting? might you be regret regreting? might he be regret regreting? might we be regret regreting? might you be regret regreting? might they be regret regreting?
Perfect
might I have regret regreted? might you have regret regreted? might he have regret regreted? might we have regret regreted? might you have regret regreted? might they have regret regreted?
V-ing perfect
might I have been regret regreting? might you have been regret regreting? might he have been regret regreting? might we have been regret regreting? might you have been regret regreting? might they have been regret regreting?
Interro-negative form
Simple form
might I not regret regret? might you not regret regret? might he not regret regret? might we not regret regret? might you not regret regret? might they not regret regret?
V-ing form
might I not be regret regreting? might you not be regret regreting? might he not be regret regreting? might we not be regret regreting? might you not be regret regreting? might they not be regret regreting?
Perfect
might I not have regret regreted? might you not have regret regreted? might he not have regret regreted? might we not have regret regreted? might you not have regret regreted? might they not have regret regreted?
V-ing perfect
might I not have been regret regreting? might you not have been regret regreting? might he not have been regret regreting? might we not have been regret regreting? might you not have been regret regreting? might they not have been regret regreting?