of be
exist
Cases of word usage
1) the free association of independent states that were formerly colonies and dominations of Great Britain (commonwealth)
2) if what one desires, most were possible (ideally)
3) born of parents who were not married to each other; not according to law or public opinion of correct or moral behaviour (illegitimate)
4) to take and use somebody else's ideas, words etc as if they were one's own (plagiarize)