| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [Wh det] [pron] [vb past] so far | 5 |
|
| 2 | [Wh det] [pers pn] [vb past] so far | 5 |
|
| 3 | [Wh det] [vb past] so far [vb pp] | 6 |
|
| 4 | [Wh det] [vb past] so far [verb] | 6 |
|
