| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [Wh adv] [vb past] it [verb] | 304 |
|
| 2 | [Wh adv] [vb past] [pron] start | 45 |
|
| 3 | [Wh adv] [verb] it start | 20 |
|
| 4 | [adv] [vb past] it start | 14 |
|
