| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | it be impossible for them | 12 |
|
| 2 | [pers pn] be impossible for them | 12 |
|
| 3 | [pron] be impossible for them | 12 |
|
| 4 | it be impossible for them | 12 |
|
| 5 | [pron] is impossible for them | 6 |
|
