Action or State Verb?

Are these verbs classified as action or state?

1. They work hard
   1. state verb
   2. action verb
2. You seem very happy today!
   1. action verb
   2. state verb
3. They have lunch together every day
   1. action verb
   2. state verb
4. I need more time
   1. state verb
   2. action verb
5. This belongs to my brother
   1. state verb
   2. action verb
6. Ted collects stamps
   1. state verb
   2. action verb
7. Molly owns that book
   1. action verb
   2. state verb
8. This suitcase weighs 18kg
   1. action verb
   2. state verb
9. I don't believe you
   1. state verb
   2. action verb
10. They weigh all the bags at the airport
    1. state verb
    2. action verb
11. He thinks the film was boring
    1. state verb
    2. action verb
12. I like this song
    1. action verb
    2. state verb
13. We don't know the answer
    1. state verb
    2. action verb
14. He doesn't understand the question
    1. action verb
    2. state verb
15. Leo's train arrives at 5.30 in the morning
    1. action verb
    2. state verb
16. Tim and George meet every day
    1. state verb
    2. action verb
17. I visit the dentist twice a year
    1. action verb
    2. state verb
18. They have got a big house
    1. state verb
    2. action verb