| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [verb] [Wh det] [is] [adv] | 576 |
|
| 2 | [vb past] [pron] [is] [adv] | 337 |
|
| 3 | [vb past] [Wh det] [be] [adv] | 124 |
|
