| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [pron] had been [v-ing] for some | 20 |
|
| 2 | [pers pn] had been [v-ing] for some | 16 |
|
| 3 | he had been [v-ing] for some | 9 |
|
| 4 | he had been [v-ing] for some | 9 |
|
