| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | i [vb past] [adv] know | 1824 |
|
| 2 | [vb past] [adv] know what | 883 |
|
| 3 | i [vb past] [adv] what | 108 |
|
| 4 | i [adv] know what | 61 |
|
| 5 | i [vb past] know what | 30 |
|
