| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [vb past] not know [prep] | 288 |
|
| 2 | not know much [prep] | 111 |
|
| 3 | [vb past] not know much | 27 |
|
| 4 | [vb past] not much [prep] | 5 |
|
