| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [Wh pn] are know [prep] | 12 |
|
| 2 | [Wh pn] [am/are] know [prep] | 12 |
|
| 3 | [Wh pn] [am/are] known [prep] | 12 |
|
| 4 | who [am/are] know [prep] | 11 |
|
| 5 | [Wh pn] [am/are] know to | 9 |
|
| 6 | [Wh pn] [am/are] know to | 9 |
|
