| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [noun pl] [pron] had been [v-ing] | 196 |
|
| 2 | of [noun pl] [pron] had been | 78 |
|
| 3 | of [pron] had been [v-ing] | 32 |
|
| 4 | of [noun pl] had been [v-ing] | 8 |
|
