| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [pos pn] [noun pl] had been | 519 |
|
| 2 | [prep] [pos pn] [noun pl] had | 376 |
|
| 3 | [prep] [noun pl] had been | 292 |
|
| 4 | [prep] [pos pn] had been | 6 |
|
