| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | it may be [adj] for | 160 |
|
| 2 | it [vb mod] be impossible for | 41 |
|
| 3 | it [modal v] be impossible for | 41 |
|
| 4 | it may be impossible [prep] | 6 |
|
| 5 | it may be impossible [prep] | 6 |
|
| 6 | [pers pn] may be impossible for | 5 |
|
| 7 | it may be impossible for | 5 |
|
| 8 | it may [be] impossible for | 5 |
|
| 9 | it may be impossible for | 5 |
|
| 10 | it may be impossible for | 5 |
|
| 11 | it may [be] impossible for | 5 |
|
| 12 | [pron] may be impossible for | 5 |
|
| 13 | it may be impossible for | 5 |
|
