| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [pron] [be] impossible [to-vb] [conj] | 104 |
|
| 2 | [be] impossible [to-vb] [conj] this | 8 |
|
| 3 | [pron] [be] impossible [to-vb] this | 7 |
|
| 4 | [pron] [be] [to-vb] [conj] this | 5 |
|
