| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | know [Wh det] be [prep] [pron] | 42 |
|
| 2 | not know [Wh det] be [prep] | 37 |
|
| 3 | not know [Wh det] [prep] [pron] | 11 |
|
| 4 | not know [Wh det] be [pron] | 8 |
|
