| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | it is for [pers pn] | 110 |
|
| 2 | it is impossible for | 88 |
|
| 3 | it impossible for [pers pn] | 56 |
|
| 4 | is impossible for [pers pn] | 33 |
|
