Formula, Structure, and Rules of Future Perfect Continuous Interrogative Tenses
Formula:
Will+ Subject+ Have been+ Present Participle (Ist form of verb + ing) +object
Example:
- Will the boys have been playing football for two hours?
| Subject | Verb | Object |
| The boys | Playing | Football |
2. Will they have gone to Austria?
| Subject | Verb | Object |
| They | Gone | Austria |
3. Will they have gone to Austria?
| Subject | Verb | Object |
| They | Gone | Austria |
4. Will they have been working in this organization since May?
| Subject | Verb | Object |
| They | Working | Organization |
5. Will she have been teaching the student for two hours?
| Subject | Verb | Object |
| She | Teacher | Student |