| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [verb] it be impossible for | 13 |
|
| 2 | [verb] it [be] impossible for | 13 |
|
| 3 | [verb] it [is] impossible for | 7 |
|
| 4 | [verb] it was impossible for | 6 |
|
| 5 | say it [be] impossible for | 6 |
|
| 6 | [verb] it [was/were] impossible for | 6 |
|
| 7 | [vb past] it [be] impossible for | 6 |
|
| 8 | [verb] it is impossible for | 5 |
|
