| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | have been known for | 74 |
|
| 2 | [vb -s] been known for | 43 |
|
| 3 | has been known for | 41 |
|
| 4 | [vb past] been known for | 16 |
|
| 5 | [vb base] been known for | 15 |
|
| 6 | had been known for | 15 |
|
| 7 | have been known for | 15 |
|
