The PAST PERFECT PROGRESSIVE TENSE indicates a continuous action that was completed at some point in the past. This tense is formed with the modal "HAD" plus "BEEN," plus the present participle of the verb (with an -ing ending): "I had been working in the garden all morning. George had been painting his house for weeks, but he finally gave up."
¡@
| Singular | Plural |
| I had been walking | we had been walking |
| you had been walking | you had been walking |
| he/she/it had been walking | they had been walking |
| Singular | Plural |
| I had been sleeping | we had been sleeping |
| you had been sleeping | you had been sleeping |
| he/she/it had been sleeping | they had been sleeping |
| Singular | Plural |
| There is no past perfect progressive for the "to
be" verb. "Had been being" is expressed simply as
"had been": "We had been | |