| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [conj] [pron] had been [v-ing] | 730 |
|
| 2 | [noun pl] [conj] [pron] had been | 281 |
|
| 3 | [noun pl] [pron] had been [v-ing] | 196 |
|
| 4 | [noun pl] [conj] had been [v-ing] | 32 |
|
