| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | know [Wh det] [be] | 1366 |
|
| 2 | [Wh det] is [be] | 694 |
|
| 3 | know [Wh det] is | 338 |
|
| 4 | know is [be] | 8 |
|
