Formula, Structure, and Rules of Past Perfect Continuous Tenses- Positive Sentences
Subject + had been/ had not been + 1st form of verb + ing + object + Time-reference
- We had been talking to him for half an hour.
2. We had been applying for DMC since last 2 month.
3. They had been running this company since 1987.
4. They were playing game since 2 ‘O clock 2012.
5. He had been watching the film for two hours.