| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | did [adv] know the first | 7 |
|
| 2 | [vb past] [not/n't] know the first | 7 |
|
| 3 | [vb past] n't know the first | 7 |
|
| 4 | [vb past] not know the first | 7 |
|
| 5 | [vb past] [adv] know the first | 7 |
|
