Replacing haver when this means "to exist" with ter ("to own"): Tem muito problema na cidade ("There are numerous problems in the city") is a lot more Regular in speech than Há muitos problemas na cidade. Maybe as a means of steering clear of or clarifying some ambiguities made by https://blakebusinessservices.com/userinfo.php?mod=space&do=profile&com=profile&from=space&user=maybelle_bowie_451692