| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [vb past] for a | 3405 |
|
| 2 | [Wh pn] [vb past] a | 3239 |
|
| 3 | [Wh pn] [vb past] for | 693 |
|
| 4 | [Wh pn] for a | 22 |
|
