| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | know [to-vb] been in | 8 |
|
| 2 | know [to-vb] been in | 8 |
|
| 3 | know to have been [prep] | 8 |
|
| 4 | know [to-vb] been [prep] | 8 |
|
| 5 | known [to-vb] been [prep] | 7 |
|
