| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [Wh adv] [vb past] it [verb] | 304 |
|
| 2 | [Wh adv] [vb past] it [vb infin] | 273 |
|
| 3 | [Wh adv] [vb past] [pron] start | 43 |
|
| 4 | [Wh adv] [verb] it start | 18 |
|
| 5 | [Wh adv] [vb past] it start | 12 |
|
| 6 | [adv] [vb past] it start | 11 |
|
