| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [conj] what is known | 12 |
|
| 2 | [coord] [Wh det] is known | 12 |
|
| 3 | and [Wh det] is known | 8 |
|
| 4 | and [Wh det] is known | 8 |
|
