How do you know if you can read tarot cards?

Everyone has the gift of intuition. Intuition comes from that psychic center within us all. Anyone can use tarot cards or any other form of divination. It's true that sometimes one may find that they are more sensitive to a particular form of divination, but you need to spend a good amount of time with the form you are interested in in order to develope a connection. It may come to you immediately, it may take some practice. Just relax and trust your intuition.