| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | it be impossible [to-vb] any | 38 |
|
| 2 | it is impossible [verb] any | 26 |
|
| 3 | it was impossible [verb] any | 9 |
|
| 4 | it be impossible make any | 5 |
|
| 5 | it be impossible to make any | 5 |
|
