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