| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [not/n't] [adv] know [prep] | 49 |
|
| 2 | n't [adv] know [prep] | 29 |
|
| 3 | [not/n't] even know [prep] | 26 |
|
| 4 | [not/n't] even know [prep] | 26 |
|
| 5 | [not/n't] [adv] know about | 20 |
|
| 6 | not [adv] know [prep] | 20 |
|
| 7 | [not/n't] [adv] know of | 9 |
|
| 8 | [not/n't] really know [prep] | 7 |
|
| 9 | [not/n't] [adv] know at | 7 |
|
| 10 | [not/n't] really know [prep] | 7 |
|
