| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | had been [prep] [art] | 1396 |
|
| 2 | been known [prep] [art] | 70 |
|
| 3 | had known [prep] [art] | 61 |
|
| 4 | had been known [prep] | 41 |
|
