Formula, Structure, and Rules of Future Perfect Continuous Tenses
Formula:
Subject + will have been / will not have been + 1st form of verb+(ing) + object + Time reference.
Examples:
- He will have been working in the factory for five years.
| Subject | Verb | Object |
| He | Working | Factory |
2. They will have been reading this book since 10 AM.
| Subject | Verb | Object |
| They | Reading | Book |
3. The kids will have enjoyed party.
| Subject | Verb | Object |
| The kids | Enjoyed | Party |
4. The company will not have been advertising posts for one year.
| Subject | Verb | Object |
| The company | Advertising | Posts |
5. He will not have been playing games since March.
| Subject | Verb | Object |
| He | Playing | Games |