| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [noun pl] had been [adj] | 623 |
|
| 2 | [noun pl] had been [v-ing] | 435 |
|
| 3 | had been [v-ing] [adj] | 389 |
|
| 4 | [noun pl] been [v-ing] [adj] | 8 |
|
