| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | have been known [prep] [det] | 38 |
|
| 2 | have been known for [det] | 32 |
|
| 3 | have been known for [det] | 32 |
|
| 4 | have been known [prep] some | 21 |
|
| 5 | has been known [prep] [det] | 18 |
|
| 6 | have been known [prep] many | 11 |
|
| 7 | have been known [prep] [det] | 11 |
|
| 8 | had been known [prep] [det] | 8 |
|
