"Carryed and carrys" are not English words. When a word ends in y, we change the y to i and add es or ed. carried, carries, studied, studies
Maybe this old joke will help you to remember: A little girl came home from school one day and her mother asked her what she had learned. The girl replied, "We learned how to make babies!" The mother was shocked and braced herself for an uncomfortable conversation, but she said merely, "Oh, what did you learn about that?" "It's easy", the girl replied, "You just change the y to i and add es..."
Student or Learner