| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | n't [verb] of | 1052 |
|
| 2 | n't know [prep] | 792 |
|
| 3 | n't know [prep] | 792 |
|
| 4 | [adv] know of | 339 |
|
| 5 | [not/n't] know of | 133 |
|
| 6 | not know of | 133 |
|
| 7 | n't know of | 51 |
|
