| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [pers pn] have been know [prep] some | 9 |
|
| 2 | [pron] have been known [prep] some | 9 |
|
| 3 | it have been know [prep] some | 9 |
|
| 4 | [pron] have been know for some | 9 |
|
| 5 | it have been know [prep] some | 9 |
|
| 6 | [pron] has been know [prep] some | 7 |
|
