| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [pron] had been | 25566 |
|
| 2 | [pron] had [noun pl] | 1562 |
|
| 3 | had been [noun pl] | 395 |
|
| 4 | [pron] been [noun pl] | 12 |
|
