| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | has been known [prep] the | 13 |
|
| 2 | have been known to the | 11 |
|
| 3 | have been known [prep] the | 8 |
|
| 4 | had been known [prep] the | 8 |
|
| 5 | have been known as the | 7 |
|
| 6 | have been known since the | 6 |
|
