| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | now i [vb base] [adv] know | 61 |
|
| 2 | now i [vb base] not know | 61 |
|
| 3 | now i [vb base] [not/n't] know | 61 |
|
| 4 | now i [vb base] n't know | 60 |
|
