| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [not/n't] know [adj] [prep] | 185 |
|
| 2 | [vb mod] [not/n't] know [prep] | 80 |
|
| 3 | [vb mod] know [adj] [prep] | 54 |
|
| 4 | [vb mod] [not/n't] know [adj] | 53 |
|
| 5 | [vb mod] [not/n't] [adj] [prep] | 29 |
|
