| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [Wh adv] it [vb past] | 1552 |
|
| 2 | [v-ing] it [vb past] | 313 |
|
| 3 | [v-ing] [Wh adv] it | 134 |
|
| 4 | [v-ing] [Wh adv] [vb past] | 12 |
|
