Unlimited different patterns can be possible in an internet bingo game. Most dealers know dozens of them. Many of the patterns are known every where and few of them are invention of creative bingo players. Types of patterns which are going to be played during the session are generally set ahead of time. Player can win two jackpots in the same game. Patterns are not limited to one card.
To keep bingo games interesting, most online halls will change game's patterns frequently. Some patterns are very creative. If you find any complicated pattern then don't worry - they use lighted electronic board overhead to display that complicated pattern and then caller will give explanation for that pattern before game starts.
Have a look on list of different patterns given below.