| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [vb past] [pron] [be] | 21368 |
|
| 2 | [Wh adv] [pron] [be] | 17709 |
|
| 3 | [vb past] [Wh adv] [pron] | 1731 |
|
| 4 | [vb past] [Wh adv] [be] | 82 |
|
