| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | but it be impossible for | 5 |
|
| 2 | but [pers pn] be impossible for | 5 |
|
| 3 | but [pron] be impossible for | 5 |
|
| 4 | but it be impossible for | 5 |
|
| 5 | but [pron] be impossible for | 5 |
|
| 6 | but [pron] be impossible for | 5 |
|
