| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [Wh adv] it [vb past] [verb] | 202 |
|
| 2 | [Wh adv] [pron] [vb past] [vb infin] | 43 |
|
| 3 | [adv] it [vb past] [vb infin] | 32 |
|
| 4 | [Wh adv] it [verb] [vb infin] | 20 |
|
