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

Related questions

1. Which verbs can be passive?
2. What is the formula of passive voice?
3. What is passive voice in writing?
4. What makes a sentence passive?
5. What is a passive sentence examples?
6. What is passive voice definition?
7. What is passive voice example?
8. What are the rules of active and passive voice?
9. Is this sentence passive voice?
10. What are passive words?

Tags

1. #active
2. #voice
3. #often
4. #action
5. #performed
6. #which
7. #identify
8. #sentence
9. #passive
10. #indication
11. #beginning