| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | i [vb past] [art] | 19337 |
|
| 2 | i [vb past] what | 918 |
|
| 3 | [vb past] what [art] | 418 |
|
| 4 | i what [art] | 74 |
|
