| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [Wh det] [be] known [prep] | 439 |
|
| 2 | [vb infin] [Wh det] [be] [prep] | 141 |
|
| 3 | [vb infin] [be] known [prep] | 14 |
|
| 4 | [vb infin] [Wh det] [be] known | 8 |
|
