| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | it was impossible for [pers pn] [to-vb] | 19 |
|
| 2 | it was impossible [prep] [pers pn] [to-vb] | 19 |
|
| 3 | it was impossible [prep] her [to-vb] | 6 |
|
