| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [vb past] it [adv] [adj] [to-vb] | 201 |
|
| 2 | [vb past] it [adv] [adj] [to-vb] | 191 |
|
| 3 | [verb] it [adv] impossible [to-vb] | 80 |
|
| 4 | [vb past] it [adv] impossible [verb] | 23 |
|
| 5 | [vb past] it [adv] impossible [to-vb] | 23 |
|
| 6 | [vb past] [pers pn] [adv] impossible [to-vb] | 23 |
|
| 7 | [vb past] [pron] [adv] impossible [to-vb] | 23 |
|
| 8 | [vb past] it [adv] impossible [to-vb] | 23 |
|
