| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [vb past] been [verb] it for | 21 |
|
| 2 | [vb past] been [v-ing] it for | 21 |
|
| 3 | had been [verb] it for | 14 |
|
| 4 | 'd been [verb] it for | 7 |
|
