| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | have been known [to-vb] [prep] [noun] | 13 |
|
| 2 | have been known [to-vb] [prep] [noun] | 10 |
|
| 3 | have been known [to-vb] [prep] [noun sg] | 8 |
|
