Formula, Structure, and Rules of Past Perfect Continuous Tenses- Positive Sentences

Formula, Structure, and Rules of Past Perfect Continuous Tenses- Positive Sentences

Formula:

Subject + had been/ had not been + 1^st   form of verb + ing + object + Time-reference

  Examples:

1. 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.