| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [verb] we do [not/n't] know | 24 |
|
| 2 | [verb] we do not know | 24 |
|
| 3 | [verb] we do n't know | 22 |
|
| 4 | [vb base] we do [adv] know | 11 |
|
| 5 | [vb past] we do [adv] know | 5 |
|
