| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | that it [vb mod] be impossible | 43 |
|
| 2 | it [vb mod] be impossible for | 41 |
|
| 3 | that it be impossible for | 36 |
|
| 4 | that it [vb mod] be for | 9 |
|
