| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | it be [adj] | 89695 |
|
| 2 | [pron] be impossible | 1647 |
|
| 3 | [pers pn] be impossible | 1607 |
|
| 4 | it be impossible | 1565 |
|
| 5 | it [be] impossible | 1564 |
|
