| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [pers pn] has been known for some | 7 |
|
| 2 | it has been known for some | 7 |
|
| 3 | it has been known for some | 7 |
|
| 4 | [pron] has been known for some | 7 |
|
