| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | do n't know it at the | 6 |
|
| 2 | [verb] n't know it at the | 6 |
|
| 3 | [vb past] n't know it at the | 6 |
|
| 4 | did n't know it at the | 6 |
|
| 5 | n't know it at the [noun] | 6 |
|
| 6 | n't know it at the time | 6 |
|
| 7 | n't know it at the time | 6 |
|
| 8 | n't know it at the [noun sg] | 6 |
|
