| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | i [vb past] [verb] what | 162 |
|
| 2 | i [vb past] know [pron] | 136 |
|
| 3 | i [verb] know what | 134 |
|
| 4 | [pron] [vb past] know what | 116 |
|
| 5 | i [vb past] know [Wh det] | 31 |
|
| 6 | i [vb past] know what | 30 |
|
