| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | it impossible for [pers pn] [verb] | 48 |
|
| 2 | it is for [pers pn] [verb] | 44 |
|
| 3 | it is impossible for [pers pn] | 31 |
|
| 4 | is impossible for [pers pn] [verb] | 21 |
|
