| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [pron] has been known for some | 7 |
|
| 2 | it has been known for some | 7 |
|
| 3 | [pers pn] has been known for some | 7 |
|
| 4 | it has been known for some | 7 |
|
| 5 | has been known for some [noun] | 11 |
|
| 6 | has been known for some time | 10 |
|
| 7 | has been known for some time | 10 |
|
| 8 | has been known for some [noun sg] | 10 |
|
