| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [not/n't] know [prep] [art] [noun] | 172 |
|
| 2 | [not/n't] know [prep] [art] [noun sg] | 128 |
|
| 3 | [not/n't] [verb] [prep] [art] time | 119 |
|
| 4 | [adv] know [prep] [art] time | 24 |
|
| 5 | [not/n't] know [prep] [art] time | 19 |
|
