| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [pers pn] had been [v-ing] it for | 8 |
|
| 2 | [pers pn] 'd been [v-ing] it for | 7 |
|
| 3 | i [vb past] been [v-ing] it for | 5 |
|
