Third conditional

1. Is used to talk about things that happened or things that could have happened.

2. refers to a hypothetical situations in the past.

3. Main clause

4. If clause

5. If+ past perfect tense

6. if ia study

7. if i studied

8. if i had studied

9. wuld/could/mighth + have + past participe

10. i will pass the exam

11. i woukd pass the exam

12. i would have passed the exam