| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [that] i [vb base] [not/n't] know | 64 |
|
| 2 | [is] [that] i [vb base] [not/n't] | 49 |
|
| 3 | [is] i [vb base] [not/n't] know | 25 |
|
