| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | that it be impossible for | 36 |
|
| 2 | that it [be] impossible for | 36 |
|
| 3 | that it was impossible for | 22 |
|
| 4 | that it [was/were] impossible for | 22 |
|
| 5 | that it is impossible for | 14 |
|
| 6 | that it [is] impossible for | 14 |
|
