| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | not know [prep] the | 152 |
|
| 2 | n't know [prep] [art] | 137 |
|
| 3 | not know about [art] | 102 |
|
| 4 | not know [prep] [art] | 37 |
|
| 5 | not know of [art] | 24 |
|
| 6 | not know at [art] | 21 |
|
| 7 | not know [prep] a | 20 |
|
| 8 | not know until [art] | 8 |
|
| 9 | not know for [art] | 7 |
|
