| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [pron] had been [v-ing] for | 265 |
|
| 2 | [pron] had been [v-ing] [pers pn] | 137 |
|
| 3 | had been [v-ing] [pers pn] for | 45 |
|
