Student or Learner
If an abstract noun refers to states, events, concepts, feelings, qualities, what questions to ask to determine if its a state, event, concept, feeling, or quality abstract noun?
In your own language, if someone used the word for "birthday" and someone else used a word for "happiness" would you be able to tell which was an event and which was a feeling?
You need to determine what it is based what it is.
I'm not a teacher, but I write for a living. Please don't ask me about 2nd conditionals, but I'm a safe bet for what reads well in (American) English.