How do you tell if a sentence is active or passive?

Related questions

1. What are passive words?
2. Which verbs can be passive?
3. What's wrong with passive voice?
4. What is passive voice in writing?
5. What is a passive voice in grammar?
6. What makes a sentence passive?
7. What is passive voice definition?
8. What are the rules of active and passive voice?
9. How can you tell if a sentence is active or passive?
10. How do you identify passive sentences?

Tags

1. #passive
2. #sense
3. #voice
4. #action
5. #after
6. #sentence
7. #subject
8. #probably
9. #basically
10. #zombies
11. #makes
12. #doing
13. #active
14. #therefore
15. #location