Add to my dictionary
Examples
The president may/might/could have testified falsely about his relationship with Monica Lewinsky — Возможно, президент дал ложные показания относительно своих отношений с Моникой Левински.
Some tea may/might/could have remained in the teapot — Возможно, в чайнике оставалось еще немного чая.
No translation of this word has been found in the dictionaries (en-ru)
If you know the correct translation of the phrase "may, might, can, could: possibility in the past" in Russian, then add it to a Social dictionary.