
This tense shows duration or continuity of an action.
To form past perfect continuous tense:
| Type of sentence | Rule | Examples |
|---|---|---|
| Affirmative | had been + present participle | She had been preparing for the exam all day. |
| Negative | hadn't been + present participle | They hadn’t been living there for long. |
| Interrogative | had + subject + been + present participle | Had Sam been studying all night? |
For more information on present participle, click here.
Use:
| To express | Examples |
|---|---|
| An uninterrupted past action. | Ira had been cooking all evening. |
| Duration of action to a certain point | My dad had been working in the bank for ten years, before he quit. |
| Indirect Speech. | She said that she had been waiting for him all evening. |