| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | it be [adj] for | 3920 |
|
| 2 | it be [adj] for | 3608 |
|
| 3 | it be impossible [prep] | 267 |
|
| 4 | it be impossible [prep] | 267 |
|
| 5 | it [be] impossible for | 181 |
|
| 6 | it be impossible for | 181 |
|
| 7 | it be impossible for | 181 |
|
| 8 | [pron] be impossible for | 181 |
|
