| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [noun pl] [Wh det] [pron] had been [v-ing] | 8 |
|
| 2 | [noun pl] [pron] [pers pn] had been [v-ing] | 8 |
|
| 3 | [noun pl] which [pron] had been [v-ing] | 6 |
|
| 4 | [noun pl] which [pron] had been [v-ing] | 6 |
|
