| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [vb past] been known [prep] [adj] | 12 |
|
| 2 | had be known [prep] [adj] | 12 |
|
| 3 | [vb past] be known [prep] [det] | 8 |
|
| 4 | [vb past] be known for [adj] | 5 |
|
