| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [vb infin] it [adj] [prep] | 528 |
|
| 2 | [verb] it impossible [prep] | 164 |
|
| 3 | [vb infin] it impossible [prep] | 20 |
|
| 4 | [vb infin] [pers pn] impossible [prep] | 20 |
|
| 5 | [vb infin] [pron] impossible [prep] | 20 |
|
